diff options
109 files changed, 5782 insertions, 1706 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index db7c1f2709a2..2da88c0cda14 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -313,8 +313,8 @@ struct kvm_pmu { u64 counter_bitmask[2]; u64 global_ctrl_mask; u8 version; - struct kvm_pmc gp_counters[X86_PMC_MAX_GENERIC]; - struct kvm_pmc fixed_counters[X86_PMC_MAX_FIXED]; + struct kvm_pmc gp_counters[INTEL_PMC_MAX_GENERIC]; + struct kvm_pmc fixed_counters[INTEL_PMC_MAX_FIXED]; struct irq_work irq_work; u64 reprogram_pmi; }; diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index 084ef95274cd..813ed103f45e 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -115,8 +115,8 @@ notrace static inline int native_write_msr_safe(unsigned int msr, extern unsigned long long native_read_tsc(void); -extern int native_rdmsr_safe_regs(u32 regs[8]); -extern int native_wrmsr_safe_regs(u32 regs[8]); +extern int rdmsr_safe_regs(u32 regs[8]); +extern int wrmsr_safe_regs(u32 regs[8]); static __always_inline unsigned long long __native_read_tsc(void) { @@ -187,43 +187,6 @@ static inline int rdmsrl_safe(unsigned msr, unsigned long long *p) return err; } -static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p) -{ - u32 gprs[8] = { 0 }; - int err; - - gprs[1] = msr; - gprs[7] = 0x9c5a203a; - - err = native_rdmsr_safe_regs(gprs); - - *p = gprs[0] | ((u64)gprs[2] << 32); - - return err; -} - -static inline int wrmsrl_amd_safe(unsigned msr, unsigned long long val) -{ - u32 gprs[8] = { 0 }; - - gprs[0] = (u32)val; - gprs[1] = msr; - gprs[2] = val >> 32; - gprs[7] = 0x9c5a203a; - - return native_wrmsr_safe_regs(gprs); -} - -static inline int rdmsr_safe_regs(u32 regs[8]) -{ - return native_rdmsr_safe_regs(regs); -} - -static inline int wrmsr_safe_regs(u32 regs[8]) -{ - return native_wrmsr_safe_regs(regs); -} - #define rdtscl(low) \ ((low) = (u32)__native_read_tsc()) @@ -237,6 +200,8 @@ do { \ (high) = (u32)(_l >> 32); \ } while (0) +#define rdpmcl(counter, val) ((val) = native_read_pmc(counter)) + #define rdtscp(low, high, aux) \ do { \ unsigned long long _val = native_read_tscp(&(aux)); \ @@ -248,8 +213,7 @@ do { \ #endif /* !CONFIG_PARAVIRT */ - -#define checking_wrmsrl(msr, val) wrmsr_safe((msr), (u32)(val), \ +#define wrmsrl_safe(msr, val) wrmsr_safe((msr), (u32)(val), \ (u32)((val) >> 32)) #define write_tsc(val1, val2) wrmsr(MSR_IA32_TSC, (val1), (val2)) diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 6cbbabf52707..0b47ddb6f00b 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -128,21 +128,11 @@ static inline u64 paravirt_read_msr(unsigned msr, int *err) return PVOP_CALL2(u64, pv_cpu_ops.read_msr, msr, err); } -static inline int paravirt_rdmsr_regs(u32 *regs) -{ - return PVOP_CALL1(int, pv_cpu_ops.rdmsr_regs, regs); -} - static inline int paravirt_write_msr(unsigned msr, unsigned low, unsigned high) { return PVOP_CALL3(int, pv_cpu_ops.write_msr, msr, low, high); } -static inline int paravirt_wrmsr_regs(u32 *regs) -{ - return PVOP_CALL1(int, pv_cpu_ops.wrmsr_regs, regs); -} - /* These should all do BUG_ON(_err), but our headers are too tangled. */ #define rdmsr(msr, val1, val2) \ do { \ @@ -176,9 +166,6 @@ do { \ _err; \ }) -#define rdmsr_safe_regs(regs) paravirt_rdmsr_regs(regs) -#define wrmsr_safe_regs(regs) paravirt_wrmsr_regs(regs) - static inline int rdmsrl_safe(unsigned msr, unsigned long long *p) { int err; @@ -186,32 +173,6 @@ static inline int rdmsrl_safe(unsigned msr, unsigned long long *p) *p = paravirt_read_msr(msr, &err); return err; } -static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p) -{ - u32 gprs[8] = { 0 }; - int err; - - gprs[1] = msr; - gprs[7] = 0x9c5a203a; - - err = paravirt_rdmsr_regs(gprs); - - *p = gprs[0] | ((u64)gprs[2] << 32); - - return err; -} - -static inline int wrmsrl_amd_safe(unsigned msr, unsigned long long val) -{ - u32 gprs[8] = { 0 }; - - gprs[0] = (u32)val; - gprs[1] = msr; - gprs[2] = val >> 32; - gprs[7] = 0x9c5a203a; - - return paravirt_wrmsr_regs(gprs); -} static inline u64 paravirt_read_tsc(void) { @@ -252,6 +213,8 @@ do { \ high = _l >> 32; \ } while (0) +#define rdpmcl(counter, val) ((val) = paravirt_read_pmc(counter)) + static inline unsigned long long paravirt_rdtscp(unsigned int *aux) { return PVOP_CALL1(u64, pv_cpu_ops.read_tscp, aux); diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 8e8b9a4987ee..8613cbb7ba41 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -153,9 +153,7 @@ struct pv_cpu_ops { /* MSR, PMC and TSR operations. err = 0/-EFAULT. wrmsr returns 0/-EFAULT. */ u64 (*read_msr)(unsigned int msr, int *err); - int (*rdmsr_regs)(u32 *regs); int (*write_msr)(unsigned int msr, unsigned low, unsigned high); - int (*wrmsr_regs)(u32 *regs); u64 (*read_tsc)(void); u64 (*read_pmc)(int counter); diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index 588f52ea810e..c78f14a0df00 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -5,11 +5,10 @@ * Performance event hw details: */ -#define X86_PMC_MAX_GENERIC 32 -#define X86_PMC_MAX_FIXED 3 +#define INTEL_PMC_MAX_GENERIC 32 +#define INTEL_PMC_MAX_FIXED 3 +#define INTEL_PMC_IDX_FIXED 32 -#define X86_PMC_IDX_GENERIC 0 -#define X86_PMC_IDX_FIXED 32 #define X86_PMC_IDX_MAX 64 #define MSR_ARCH_PERFMON_PERFCTR0 0xc1 @@ -48,8 +47,7 @@ (X86_RAW_EVENT_MASK | \ AMD64_EVENTSEL_EVENT) #define AMD64_NUM_COUNTERS 4 -#define AMD64_NUM_COUNTERS_F15H 6 -#define AMD64_NUM_COUNTERS_MAX AMD64_NUM_COUNTERS_F15H +#define AMD64_NUM_COUNTERS_CORE 6 #define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL 0x3c #define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK (0x00 << 8) @@ -121,16 +119,16 @@ struct x86_pmu_capability { /* Instr_Retired.Any: */ #define MSR_ARCH_PERFMON_FIXED_CTR0 0x309 -#define X86_PMC_IDX_FIXED_INSTRUCTIONS (X86_PMC_IDX_FIXED + 0) +#define INTEL_PMC_IDX_FIXED_INSTRUCTIONS (INTEL_PMC_IDX_FIXED + 0) /* CPU_CLK_Unhalted.Core: */ #define MSR_ARCH_PERFMON_FIXED_CTR1 0x30a -#define X86_PMC_IDX_FIXED_CPU_CYCLES (X86_PMC_IDX_FIXED + 1) +#define INTEL_PMC_IDX_FIXED_CPU_CYCLES (INTEL_PMC_IDX_FIXED + 1) /* CPU_CLK_Unhalted.Ref: */ #define MSR_ARCH_PERFMON_FIXED_CTR2 0x30b -#define X86_PMC_IDX_FIXED_REF_CYCLES (X86_PMC_IDX_FIXED + 2) -#define X86_PMC_MSK_FIXED_REF_CYCLES (1ULL << X86_PMC_IDX_FIXED_REF_CYCLES) +#define INTEL_PMC_IDX_FIXED_REF_CYCLES (INTEL_PMC_IDX_FIXED + 2) +#define INTEL_PMC_MSK_FIXED_REF_CYCLES (1ULL << INTEL_PMC_IDX_FIXED_REF_CYCLES) /* * We model BTS tracing as another fixed-mode PMC. @@ -139,7 +137,7 @@ struct x86_pmu_capability { * values are used by actual fixed events and higher values are used * to indicate other overflow conditions in the PERF_GLOBAL_STATUS msr. */ -#define X86_PMC_IDX_FIXED_BTS (X86_PMC_IDX_FIXED + 16) +#define INTEL_PMC_IDX_FIXED_BTS (INTEL_PMC_IDX_FIXED + 16) /* * IBS cpuid feature detection @@ -234,6 +232,7 @@ struct perf_guest_switch_msr { extern struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr); extern void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap); +extern void perf_check_microcode(void); #else static inline perf_guest_switch_msr *perf_guest_get_msrs(int *nr) { @@ -247,6 +246,7 @@ static inline void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap) } static inline void perf_events_lapic_init(void) { } +static inline void perf_check_microcode(void) { } #endif #if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_AMD) diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h index 1e9bed14f7ae..f3971bbcd1de 100644 --- a/arch/x86/include/asm/uprobes.h +++ b/arch/x86/include/asm/uprobes.h @@ -48,7 +48,7 @@ struct arch_uprobe_task { #endif }; -extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm); +extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr); extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs); extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs); extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk); diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index 6ab6aa2fdfdd..bac4c3804cc7 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -32,7 +32,9 @@ obj-$(CONFIG_PERF_EVENTS) += perf_event.o ifdef CONFIG_PERF_EVENTS obj-$(CONFIG_CPU_SUP_AMD) += perf_event_amd.o -obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_p6.o perf_event_p4.o perf_event_intel_lbr.o perf_event_intel_ds.o perf_event_intel.o +obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_p6.o perf_event_p4.o +obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_lbr.o perf_event_intel_ds.o perf_event_intel.o +obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_uncore.o endif obj-$(CONFIG_X86_MCE) += mcheck/ diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 146bb6218eec..9d92e19039f0 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -19,6 +19,39 @@ #include "cpu.h" +static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p) +{ + struct cpuinfo_x86 *c = &cpu_data(smp_processor_id()); + u32 gprs[8] = { 0 }; + int err; + + WARN_ONCE((c->x86 != 0xf), "%s should only be used on K8!\n", __func__); + + gprs[1] = msr; + gprs[7] = 0x9c5a203a; + + err = rdmsr_safe_regs(gprs); + + *p = gprs[0] | ((u64)gprs[2] << 32); + + return err; +} + +static inline int wrmsrl_amd_safe(unsigned msr, unsigned long long val) +{ + struct cpuinfo_x86 *c = &cpu_data(smp_processor_id()); + u32 gprs[8] = { 0 }; + + WARN_ONCE((c->x86 != 0xf), "%s should only be used on K8!\n", __func__); + + gprs[0] = (u32)val; + gprs[1] = msr; + gprs[2] = val >> 32; + gprs[7] = 0x9c5a203a; + + return wrmsr_safe_regs(gprs); +} + #ifdef CONFIG_X86_32 /* * B step AMD K6 before B 9730xxxx have hardware bugs that can cause @@ -586,9 +619,9 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) !cpu_has(c, X86_FEATURE_TOPOEXT)) { u64 val; - if (!rdmsrl_amd_safe(0xc0011005, &val)) { + if (!rdmsrl_safe(0xc0011005, &val)) { val |= 1ULL << 54; - wrmsrl_amd_safe(0xc0011005, val); + wrmsrl_safe(0xc0011005, val); rdmsrl(0xc0011005, val); if (val & (1ULL << 54)) { set_cpu_cap(c, X86_FEATURE_TOPOEXT); @@ -679,7 +712,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) err = rdmsrl_safe(MSR_AMD64_MCx_MASK(4), &mask); if (err == 0) { mask |= (1 << 10); - checking_wrmsrl(MSR_AMD64_MCx_MASK(4), mask); + wrmsrl_safe(MSR_AMD64_MCx_MASK(4), mask); } } diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 6b9333b429ba..5bbc082c47ad 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -947,7 +947,7 @@ static void __cpuinit __print_cpu_msr(void) index_max = msr_range_array[i].max; for (index = index_min; index < index_max; index++) { - if (rdmsrl_amd_safe(index, &val)) + if (rdmsrl_safe(index, &val)) continue; printk(KERN_INFO " MSR%08x: %016llx\n", index, val); } diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index c4706cf9c011..29557aa06dda 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -35,17 +35,6 @@ #include "perf_event.h" -#if 0 -#undef wrmsrl -#define wrmsrl(msr, val) \ -do { \ - trace_printk("wrmsrl(%lx, %lx)\n", (unsigned long)(msr),\ - (unsigned long)(val)); \ - native_write_msr((msr), (u32)((u64)(val)), \ - (u32)((u64)(val) >> 32)); \ -} while (0) -#endif - struct x86_pmu x86_pmu __read_mostly; DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { @@ -74,7 +63,7 @@ u64 x86_perf_event_update(struct perf_event *event) int idx = hwc->idx; s64 delta; - if (idx == X86_PMC_IDX_FIXED_BTS) + if (idx == INTEL_PMC_IDX_FIXED_BTS) return 0; /* @@ -86,7 +75,7 @@ u64 x86_perf_event_update(struct perf_event *event) */ again: prev_raw_count = local64_read(&hwc->prev_count); - rdmsrl(hwc->event_base, new_raw_count); + rdpmcl(hwc->event_base_rdpmc, new_raw_count); if (local64_cmpxchg(&hwc->prev_count, prev_raw_count, new_raw_count) != prev_raw_count) @@ -189,7 +178,7 @@ static void release_pmc_hardware(void) {} static bool check_hw_exists(void) { - u64 val, val_new = 0; + u64 val, val_new = ~0; int i, reg, ret = 0; /* @@ -222,8 +211,9 @@ static bool check_hw_exists(void) * that don't trap on the MSR access and always return 0s. */ val = 0xabcdUL; - ret = checking_wrmsrl(x86_pmu_event_addr(0), val); - ret |= rdmsrl_safe(x86_pmu_event_addr(0), &val_new); + reg = x86_pmu_event_addr(0); + ret = wrmsrl_safe(reg, val); + ret |= rdmsrl_safe(reg, &val_new); if (ret || val != val_new) goto msr_fail; @@ -240,6 +230,7 @@ bios_fail: msr_fail: printk(KERN_CONT "Broken PMU hardware detected, using software events only.\n"); + printk(KERN_ERR "Failed to access perfctr msr (MSR %x is %Lx)\n", reg, val_new); return false; } @@ -388,7 +379,7 @@ int x86_pmu_hw_config(struct perf_event *event) int precise = 0; /* Support for constant skid */ - if (x86_pmu.pebs_active) { + if (x86_pmu.pebs_active && !x86_pmu.pebs_broken) { precise++; /* Support for IP fixup */ @@ -637,8 +628,8 @@ static bool __perf_sched_find_counter(struct perf_sched *sched) c = sched->constraints[sched->state.event]; /* Prefer fixed purpose counters */ - if (x86_pmu.num_counters_fixed) { - idx = X86_PMC_IDX_FIXED; + if (c->idxmsk64 & (~0ULL << INTEL_PMC_IDX_FIXED)) { + idx = INTEL_PMC_IDX_FIXED; for_each_set_bit_from(idx, c->idxmsk, X86_PMC_IDX_MAX) { if (!__test_and_set_bit(idx, sched->state.used)) goto done; @@ -646,7 +637,7 @@ static bool __perf_sched_find_counter(struct perf_sched *sched) } /* Grab the first unused counter starting with idx */ idx = sched->state.counter; - for_each_set_bit_from(idx, c->idxmsk, X86_PMC_IDX_FIXED) { + for_each_set_bit_from(idx, c->idxmsk, INTEL_PMC_IDX_FIXED) { if (!__test_and_set_bit(idx, sched->state.used)) goto done; } @@ -704,8 +695,8 @@ static bool perf_sched_next_event(struct perf_sched *sched) /* * Assign a counter for each event. */ -static int perf_assign_events(struct event_constraint **constraints, int n, - int wmin, int wmax, int *assign) +int perf_assign_events(struct event_constraint **constraints, int n, + int wmin, int wmax, int *assign) { struct perf_sched sched; @@ -824,15 +815,17 @@ static inline void x86_assign_hw_event(struct perf_event *event, hwc->last_cpu = smp_processor_id(); hwc->last_tag = ++cpuc->tags[i]; - if (hwc->idx == X86_PMC_IDX_FIXED_BTS) { + if (hwc->idx == INTEL_PMC_IDX_FIXED_BTS) { hwc->config_base = 0; hwc->event_base = 0; - } else if (hwc->idx >= X86_PMC_IDX_FIXED) { + } else if (hwc->idx >= INTEL_PMC_IDX_FIXED) { hwc->config_base = MSR_ARCH_PERFMON_FIXED_CTR_CTRL; - hwc->event_base = MSR_ARCH_PERFMON_FIXED_CTR0 + (hwc->idx - X86_PMC_IDX_FIXED); + hwc->event_base = MSR_ARCH_PERFMON_FIXED_CTR0 + (hwc->idx - INTEL_PMC_IDX_FIXED); + hwc->event_base_rdpmc = (hwc->idx - INTEL_PMC_IDX_FIXED) | 1<<30; } else { hwc->config_base = x86_pmu_config_addr(hwc->idx); hwc->event_base = x86_pmu_event_addr(hwc->idx); + hwc->event_base_rdpmc = hwc->idx; } } @@ -930,7 +923,7 @@ int x86_perf_event_set_period(struct perf_event *event) s64 period = hwc->sample_period; int ret = 0, idx = hwc->idx; - if (idx == X86_PMC_IDX_FIXED_BTS) + if (idx == INTEL_PMC_IDX_FIXED_BTS) return 0; /* @@ -1316,7 +1309,6 @@ static struct attribute_group x86_pmu_format_group = { static int __init init_hw_perf_events(void) { struct x86_pmu_quirk *quirk; - struct event_constraint *c; int err; pr_info("Performance Events: "); @@ -1347,21 +1339,8 @@ static int __init init_hw_perf_events(void) for (quirk = x86_pmu.quirks; quirk; quirk = quirk->next) quirk->func(); - if (x86_pmu.num_counters > X86_PMC_MAX_GENERIC) { - WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!", - x86_pmu.num_counters, X86_PMC_MAX_GENERIC); - x86_pmu.num_counters = X86_PMC_MAX_GENERIC; - } - x86_pmu.intel_ctrl = (1 << x86_pmu.num_counters) - 1; - - if (x86_pmu.num_counters_fixed > X86_PMC_MAX_FIXED) { - WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!", - x86_pmu.num_counters_fixed, X86_PMC_MAX_FIXED); - x86_pmu.num_counters_fixed = X86_PMC_MAX_FIXED; - } - - x86_pmu.intel_ctrl |= - ((1LL << x86_pmu.num_counters_fixed)-1) << X86_PMC_IDX_FIXED; + if (!x86_pmu.intel_ctrl) + x86_pmu.intel_ctrl = (1 << x86_pmu.num_counters) - 1; perf_events_lapic_init(); register_nmi_handler(NMI_LOCAL, perf_event_nmi_handler, 0, "PMI"); @@ -1370,22 +1349,6 @@ static int __init init_hw_perf_events(void) __EVENT_CONSTRAINT(0, (1ULL << x86_pmu.num_counters) - 1, 0, x86_pmu.num_counters, 0); - if (x86_pmu.event_constraints) { - /* - * event on fixed counter2 (REF_CYCLES) only works on this - * counter, so do not extend mask to generic counters - */ - for_each_event_constraint(c, x86_pmu.event_constraints) { - if (c->cmask != X86_RAW_EVENT_MASK - || c->idxmsk64 == X86_PMC_MSK_FIXED_REF_CYCLES) { - continue; - } - - c->idxmsk64 |= (1ULL << x86_pmu.num_counters) - 1; - c->weight += x86_pmu.num_counters; - } - } - x86_pmu.attr_rdpmc = 1; /* enable userspace RDPMC usage by default */ x86_pmu_format_group.attrs = x86_pmu.format_attrs; @@ -1620,8 +1583,8 @@ static int x86_pmu_event_idx(struct perf_event *event) if (!x86_pmu.attr_rdpmc) return 0; - if (x86_pmu.num_counters_fixed && idx >= X86_PMC_IDX_FIXED) { - idx -= X86_PMC_IDX_FIXED; + if (x86_pmu.num_counters_fixed && idx >= INTEL_PMC_IDX_FIXED) { + idx -= INTEL_PMC_IDX_FIXED; idx |= 1 << 30; } @@ -1649,7 +1612,12 @@ static ssize_t set_attr_rdpmc(struct device *cdev, struct device_attribute *attr, const char *buf, size_t count) { - unsigned long val = simple_strtoul(buf, NULL, 0); + unsigned long val; + ssize_t ret; + + ret = kstrtoul(buf, 0, &val); + if (ret) + return ret; if (!!val != !!x86_pmu.attr_rdpmc) { x86_pmu.attr_rdpmc = !!val; @@ -1682,13 +1650,20 @@ static void x86_pmu_flush_branch_stack(void) x86_pmu.flush_branch_stack(); } +void perf_check_microcode(void) +{ + if (x86_pmu.check_microcode) + x86_pmu.check_microcode(); +} +EXPORT_SYMBOL_GPL(perf_check_microcode); + static struct pmu pmu = { .pmu_enable = x86_pmu_enable, .pmu_disable = x86_pmu_disable, - .attr_groups = x86_pmu_attr_groups, + .attr_groups = x86_pmu_attr_groups, - .event_init = x86_pmu_event_init, + .event_init = x86_pmu_event_init, .add = x86_pmu_add, .del = x86_pmu_del, @@ -1696,11 +1671,11 @@ static struct pmu pmu = { .stop = x86_pmu_stop, .read = x86_pmu_read, - .start_txn = x86_pmu_start_txn, - .cancel_txn = x86_pmu_cancel_txn, - .commit_txn = x86_pmu_commit_txn, + .start_txn = x86_pmu_start_txn, + .cancel_txn = x86_pmu_cancel_txn, + .commit_txn = x86_pmu_commit_txn, - .event_idx = x86_pmu_event_idx, + .event_idx = x86_pmu_event_idx, .flush_branch_stack = x86_pmu_flush_branch_stack, }; @@ -1863,7 +1838,7 @@ unsigned long perf_misc_flags(struct pt_regs *regs) else misc |= PERF_RECORD_MISC_GUEST_KERNEL; } else { - if (user_mode(regs)) + if (!kernel_ip(regs->ip)) misc |= PERF_RECORD_MISC_USER; else misc |= PERF_RECORD_MISC_KERNEL; diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 7241e2fc3c17..a15df4be151f 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -14,6 +14,18 @@ #include <linux/perf_event.h> +#if 0 +#undef wrmsrl +#define wrmsrl(msr, val) \ +do { \ + unsigned int _msr = (msr); \ + u64 _val = (val); \ + trace_printk("wrmsrl(%x, %Lx)\n", (unsigned int)(_msr), \ + (unsigned long long)(_val)); \ + native_write_msr((_msr), (u32)(_val), (u32)(_val >> 32)); \ +} while (0) +#endif + /* * | NHM/WSM | SNB | * register ------------------------------- @@ -57,7 +69,7 @@ struct amd_nb { }; /* The maximal number of PEBS events: */ -#define MAX_PEBS_EVENTS 4 +#define MAX_PEBS_EVENTS 8 /* * A debug store configuration. @@ -349,6 +361,8 @@ struct x86_pmu { void (*cpu_starting)(int cpu); void (*cpu_dying)(int cpu); void (*cpu_dead)(int cpu); + + void (*check_microcode)(void); void (*flush_branch_stack)(void); /* @@ -360,12 +374,16 @@ struct x86_pmu { /* * Intel DebugStore bits */ - int bts, pebs; - int bts_active, pebs_active; + int bts :1, + bts_active :1, + pebs :1, + pebs_active :1, + pebs_broken :1; int pebs_record_size; void (*drain_pebs)(struct pt_regs *regs); struct event_constraint *pebs_constraints; void (*pebs_aliases)(struct perf_event *event); + int max_pebs_events; /* * Intel LBR @@ -468,6 +486,8 @@ static inline void __x86_pmu_enable_event(struct hw_perf_event *hwc, void x86_pmu_enable_all(int added); +int perf_assign_events(struct event_constraint **constraints, int n, + int wmin, int wmax, int *assign); int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign); void x86_pmu_stop(struct perf_event *event, int flags); diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c index 11a4eb9131d5..4528ae7b6ec4 100644 --- a/arch/x86/kernel/cpu/perf_event_amd.c +++ b/arch/x86/kernel/cpu/perf_event_amd.c @@ -366,7 +366,7 @@ static void amd_pmu_cpu_starting(int cpu) cpuc->perf_ctr_virt_mask = AMD_PERFMON_EVENTSEL_HOSTONLY; - if (boot_cpu_data.x86_max_cores < 2 || boot_cpu_data.x86 == 0x15) + if (boot_cpu_data.x86_max_cores < 2) return; nb_id = amd_get_nb_id(cpu); @@ -422,35 +422,6 @@ static struct attribute *amd_format_attr[] = { NULL, }; -static __initconst const struct x86_pmu amd_pmu = { - .name = "AMD", - .handle_irq = x86_pmu_handle_irq, - .disable_all = x86_pmu_disable_all, - .enable_all = x86_pmu_enable_all, - .enable = x86_pmu_enable_event, - .disable = x86_pmu_disable_event, - .hw_config = amd_pmu_hw_config, - .schedule_events = x86_schedule_events, - .eventsel = MSR_K7_EVNTSEL0, - .perfctr = MSR_K7_PERFCTR0, - .event_map = amd_pmu_event_map, - .max_events = ARRAY_SIZE(amd_perfmon_event_map), - .num_counters = AMD64_NUM_COUNTERS, - .cntval_bits = 48, - .cntval_mask = (1ULL << 48) - 1, - .apic = 1, - /* use highest bit to detect overflow */ - .max_period = (1ULL << 47) - 1, - .get_event_constraints = amd_get_event_constraints, - .put_event_constraints = amd_put_event_constraints, - - .format_attrs = amd_format_attr, - - .cpu_prepare = amd_pmu_cpu_prepare, - .cpu_starting = amd_pmu_cpu_starting, - .cpu_dead = amd_pmu_cpu_dead, -}; - /* AMD Family 15h */ #define AMD_EVENT_TYPE_MASK 0x000000F0ULL @@ -597,8 +568,8 @@ amd_get_event_constraints_f15h(struct cpu_hw_events *cpuc, struct perf_event *ev } } -static __initconst const struct x86_pmu amd_pmu_f15h = { - .name = "AMD Family 15h", +static __initconst const struct x86_pmu amd_pmu = { + .name = "AMD", .handle_irq = x86_pmu_handle_irq, .disable_all = x86_pmu_disable_all, .enable_all = x86_pmu_enable_all, @@ -606,50 +577,68 @@ static __initconst const struct x86_pmu amd_pmu_f15h = { .disable = x86_pmu_disable_event, .hw_config = amd_pmu_hw_config, .schedule_events = x86_schedule_events, - .eventsel = MSR_F15H_PERF_CTL, - .perfctr = MSR_F15H_PERF_CTR, + .eventsel = MSR_K7_EVNTSEL0, + .perfctr = MSR_K7_PERFCTR0, .event_map = amd_pmu_event_map, .max_events = ARRAY_SIZE(amd_perfmon_event_map), - .num_counters = AMD64_NUM_COUNTERS_F15H, + .num_counters = AMD64_NUM_COUNTERS, .cntval_bits = 48, .cntval_mask = (1ULL << 48) - 1, .apic = 1, /* use highest bit to detect overflow */ .max_period = (1ULL << 47) - 1, - .get_event_constraints = amd_get_event_constraints_f15h, - /* nortbridge counters not yet implemented: */ -#if 0 + .get_event_constraints = amd_get_event_constraints, .put_event_constraints = amd_put_event_constraints, + .format_attrs = amd_format_attr, + .cpu_prepare = amd_pmu_cpu_prepare, - .cpu_dead = amd_pmu_cpu_dead, -#endif .cpu_starting = amd_pmu_cpu_starting, - .format_attrs = amd_format_attr, + .cpu_dead = amd_pmu_cpu_dead, }; +static int setup_event_constraints(void) +{ + if (boot_cpu_data.x86 >= 0x15) + x86_pmu.get_event_constraints = amd_get_event_constraints_f15h; + return 0; +} + +static int setup_perfctr_core(void) +{ + if (!cpu_has_perfctr_core) { + WARN(x86_pmu.get_event_constraints == amd_get_event_constraints_f15h, + KERN_ERR "Odd, counter constraints enabled but no core perfctrs detected!"); + return -ENODEV; + } + + WARN(x86_pmu.get_event_constraints == amd_get_event_constraints, + KERN_ERR "hw perf events core counters need constraints handler!"); + + /* + * If core performance counter extensions exists, we must use + * MSR_F15H_PERF_CTL/MSR_F15H_PERF_CTR msrs. See also + * x86_pmu_addr_offset(). + */ + x86_pmu.eventsel = MSR_F15H_PERF_CTL; + x86_pmu.perfctr = MSR_F15H_PERF_CTR; + x86_pmu.num_counters = AMD64_NUM_COUNTERS_CORE; + + printk(KERN_INFO "perf: AMD core performance counters detected\n"); + + return 0; +} + __init int amd_pmu_init(void) { /* Performance-monitoring supported from K7 and later: */ if (boot_cpu_data.x86 < 6) return -ENODEV; - /* - * If core performance counter extensions exists, it must be - * family 15h, otherwise fail. See x86_pmu_addr_offset(). - */ - switch (boot_cpu_data.x86) { - case 0x15: - if (!cpu_has_perfctr_core) - return -ENODEV; - x86_pmu = amd_pmu_f15h; - break; - default: - if (cpu_has_perfctr_core) - return -ENODEV; - x86_pmu = amd_pmu; - break; - } + x86_pmu = amd_pmu; + + setup_event_constraints(); + setup_perfctr_core(); /* Events are common for all AMDs */ memcpy(hw_cache_event_ids, amd_hw_cache_event_ids, diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 187c294bc658..1f4c8add6759 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -21,14 +21,14 @@ */ static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly = { - [PERF_COUNT_HW_CPU_CYCLES] = 0x003c, - [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, - [PERF_COUNT_HW_CACHE_REFERENCES] = 0x4f2e, - [PERF_COUNT_HW_CACHE_MISSES] = 0x412e, - [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c4, - [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5, - [PERF_COUNT_HW_BUS_CYCLES] = 0x013c, - [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x0300, /* pseudo-encoding */ + [PERF_COUNT_HW_CPU_CYCLES] = 0x003c, + [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, + [PERF_COUNT_HW_CACHE_REFERENCES] = 0x4f2e, + [PERF_COUNT_HW_CACHE_MISSES] = 0x412e, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c4, + [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5, + [PERF_COUNT_HW_BUS_CYCLES] = 0x013c, + [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x0300, /* pseudo-encoding */ }; static struct event_constraint intel_core_event_constraints[] __read_mostly = @@ -747,7 +747,7 @@ static void intel_pmu_disable_all(void) wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0); - if (test_bit(X86_PMC_IDX_FIXED_BTS, cpuc->active_mask)) + if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) intel_pmu_disable_bts(); intel_pmu_pebs_disable_all(); @@ -763,9 +763,9 @@ static void intel_pmu_enable_all(int added) wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask); - if (test_bit(X86_PMC_IDX_FIXED_BTS, cpuc->active_mask)) { + if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) { struct perf_event *event = - cpuc->events[X86_PMC_IDX_FIXED_BTS]; + cpuc->events[INTEL_PMC_IDX_FIXED_BTS]; if (WARN_ON_ONCE(!event)) return; @@ -871,7 +871,7 @@ static inline void intel_pmu_ack_status(u64 ack) static void intel_pmu_disable_fixed(struct hw_perf_event *hwc) { - int idx = hwc->idx - X86_PMC_IDX_FIXED; + int idx = hwc->idx - INTEL_PMC_IDX_FIXED; u64 ctrl_val, mask; mask = 0xfULL << (idx * 4); @@ -886,7 +886,7 @@ static void intel_pmu_disable_event(struct perf_event *event) struct hw_perf_event *hwc = &event->hw; struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); - if (unlikely(hwc->idx == X86_PMC_IDX_FIXED_BTS)) { + if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) { intel_pmu_disable_bts(); intel_pmu_drain_bts_buffer(); return; @@ -915,7 +915,7 @@ static void intel_pmu_disable_event(struct perf_event *event) static void intel_pmu_enable_fixed(struct hw_perf_event *hwc) { - int idx = hwc->idx - X86_PMC_IDX_FIXED; + int idx = hwc->idx - INTEL_PMC_IDX_FIXED; u64 ctrl_val, bits, mask; /* @@ -949,7 +949,7 @@ static void intel_pmu_enable_event(struct perf_event *event) struct hw_perf_event *hwc = &event->hw; struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); - if (unlikely(hwc->idx == X86_PMC_IDX_FIXED_BTS)) { + if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) { if (!__this_cpu_read(cpu_hw_events.enabled)) return; @@ -1003,11 +1003,11 @@ static void intel_pmu_reset(void) printk("clearing PMU state on CPU#%d\n", smp_processor_id()); for (idx = 0; idx < x86_pmu.num_counters; idx++) { - checking_wrmsrl(x86_pmu_config_addr(idx), 0ull); - checking_wrmsrl(x86_pmu_event_addr(idx), 0ull); + wrmsrl_safe(x86_pmu_config_addr(idx), 0ull); + wrmsrl_safe(x86_pmu_event_addr(idx), 0ull); } for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++) - checking_wrmsrl(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull); + wrmsrl_safe(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull); if (ds) ds->bts_index = ds->bts_buffer_base; @@ -1712,11 +1712,56 @@ static __init void intel_clovertown_quirk(void) x86_pmu.pebs_constraints = NULL; } +static int intel_snb_pebs_broken(int cpu) +{ + u32 rev = UINT_MAX; /* default to broken for unknown models */ + + switch (cpu_data(cpu).x86_model) { + case 42: /* SNB */ + rev = 0x28; + break; + + case 45: /* SNB-EP */ + switch (cpu_data(cpu).x86_mask) { + case 6: rev = 0x618; break; + case 7: rev = 0x70c; break; + } + } + + return (cpu_data(cpu).microcode < rev); +} + +static void intel_snb_check_microcode(void) +{ + int pebs_broken = 0; + int cpu; + + get_online_cpus(); + for_each_online_cpu(cpu) { + if ((pebs_broken = intel_snb_pebs_broken(cpu))) + break; + } + put_online_cpus(); + + if (pebs_broken == x86_pmu.pebs_broken) + return; + + /* + * Serialized by the microcode lock.. + */ + if (x86_pmu.pebs_broken) { + pr_info("PEBS enabled due to microcode update\n"); + x86_pmu.pebs_broken = 0; + } else { + pr_info("PEBS disabled due to CPU errata, please upgrade microcode\n"); + x86_pmu.pebs_broken = 1; + } +} + static __init void intel_sandybridge_quirk(void) { - printk(KERN_WARNING "PEBS disabled due to CPU errata.\n"); - x86_pmu.pebs = 0; - x86_pmu.pebs_constraints = NULL; + x86_pmu.check_microcode = intel_snb_check_microcode; + intel_snb_check_microcode(); } static const struct { int id; char *name; } intel_arch_events_map[] __initconst = { @@ -1765,6 +1810,7 @@ __init int intel_pmu_init(void) union cpuid10_edx edx; union cpuid10_eax eax; union cpuid10_ebx ebx; + struct event_constraint *c; unsigned int unused; int version; @@ -1800,6 +1846,8 @@ __init int intel_pmu_init(void) x86_pmu.events_maskl = ebx.full; x86_pmu.events_mask_len = eax.split.mask_length; + x86_pmu.max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters); + /* * Quirk: v2 perfmon does not report fixed-purpose events, so * assume at least 3 events: @@ -1951,5 +1999,37 @@ __init int intel_pmu_init(void) } } + if (x86_pmu.num_counters > INTEL_PMC_MAX_GENERIC) { + WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!", + x86_pmu.num_counters, INTEL_PMC_MAX_GENERIC); + x86_pmu.num_counters = INTEL_PMC_MAX_GENERIC; + } + x86_pmu.intel_ctrl = (1 << x86_pmu.num_counters) - 1; + + if (x86_pmu.num_counters_fixed > INTEL_PMC_MAX_FIXED) { + WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!", + x86_pmu.num_counters_fixed, INTEL_PMC_MAX_FIXED); + x86_pmu.num_counters_fixed = INTEL_PMC_MAX_FIXED; + } + + x86_pmu.intel_ctrl |= + ((1LL << x86_pmu.num_counters_fixed)-1) << INTEL_PMC_IDX_FIXED; + + if (x86_pmu.event_constraints) { + /* + * event on fixed counter2 (REF_CYCLES) only works on this + * counter, so do not extend mask to generic counters + */ + for_each_event_constraint(c, x86_pmu.event_constraints) { + if (c->cmask != X86_RAW_EVENT_MASK + || c->idxmsk64 == INTEL_PMC_MSK_FIXED_REF_CYCLES) { + continue; + } + + c->idxmsk64 |= (1ULL << x86_pmu.num_counters) - 1; + c->weight += x86_pmu.num_counters; + } + } + return 0; } diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c index 35e2192df9f4..629ae0b7ad90 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_ds.c +++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c @@ -248,7 +248,7 @@ void reserve_ds_buffers(void) */ struct event_constraint bts_constraint = - EVENT_CONSTRAINT(0, 1ULL << X86_PMC_IDX_FIXED_BTS, 0); + EVENT_CONSTRAINT(0, 1ULL << INTEL_PMC_IDX_FIXED_BTS, 0); void intel_pmu_enable_bts(u64 config) { @@ -295,7 +295,7 @@ int intel_pmu_drain_bts_buffer(void) u64 to; u64 flags; }; - struct perf_event *event = cpuc->events[X86_PMC_IDX_FIXED_BTS]; + struct perf_event *event = cpuc->events[INTEL_PMC_IDX_FIXED_BTS]; struct bts_record *at, *top; struct perf_output_handle handle; struct perf_event_header header; @@ -620,7 +620,7 @@ static void intel_pmu_drain_pebs_core(struct pt_regs *iregs) * Should not happen, we program the threshold at 1 and do not * set a reset value. */ - WARN_ON_ONCE(n > 1); + WARN_ONCE(n > 1, "bad leftover pebs %d\n", n); at += n - 1; __intel_pmu_pebs_event(event, iregs, at); @@ -651,10 +651,10 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs) * Should not happen, we program the threshold at 1 and do not * set a reset value. */ - WARN_ON_ONCE(n > MAX_PEBS_EVENTS); + WARN_ONCE(n > x86_pmu.max_pebs_events, "Unexpected number of pebs records %d\n", n); for ( ; at < top; at++) { - for_each_set_bit(bit, (unsigned long *)&at->status, MAX_PEBS_EVENTS) { + for_each_set_bit(bit, (unsigned long *)&at->status, x86_pmu.max_pebs_events) { event = cpuc->events[bit]; if (!test_bit(bit, cpuc->active_mask)) continue; @@ -670,7 +670,7 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs) break; } - if (!event || bit >= MAX_PEBS_EVENTS) + if (!event || bit >= x86_pmu.max_pebs_events) continue; __intel_pmu_pebs_event(event, iregs, at); diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c new file mode 100644 index 000000000000..19faffc60886 --- /dev/null +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c @@ -0,0 +1,1850 @@ +#include "perf_event_intel_uncore.h" + +static struct intel_uncore_type *empty_uncore[] = { NULL, }; +static struct intel_uncore_type **msr_uncores = empty_uncore; +static struct intel_uncore_type **pci_uncores = empty_uncore; +/* pci bus to socket mapping */ +static int pcibus_to_physid[256] = { [0 ... 255] = -1, }; + +static DEFINE_RAW_SPINLOCK(uncore_box_lock); + +/* mask of cpus that collect uncore events */ +static cpumask_t uncore_cpu_mask; + +/* constraint for the fixed counter */ +static struct event_constraint constraint_fixed = + EVENT_CONSTRAINT(~0ULL, 1 << UNCORE_PMC_IDX_FIXED, ~0ULL); +static struct event_constraint constraint_empty = + EVENT_CONSTRAINT(0, 0, 0); + +DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7"); +DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15"); +DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18"); +DEFINE_UNCORE_FORMAT_ATTR(tid_en, tid_en, "config:19"); +DEFINE_UNCORE_FORMAT_ATTR(inv, inv, "config:23"); +DEFINE_UNCORE_FORMAT_ATTR(cmask5, cmask, "config:24-28"); +DEFINE_UNCORE_FORMAT_ATTR(cmask8, cmask, "config:24-31"); +DEFINE_UNCORE_FORMAT_ATTR(thresh8, thresh, "config:24-31"); +DEFINE_UNCORE_FORMAT_ATTR(thresh5, thresh, "config:24-28"); +DEFINE_UNCORE_FORMAT_ATTR(occ_sel, occ_sel, "config:14-15"); +DEFINE_UNCORE_FORMAT_ATTR(occ_invert, occ_invert, "config:30"); +DEFINE_UNCORE_FORMAT_ATTR(occ_edge, occ_edge, "config:14-51"); +DEFINE_UNCORE_FORMAT_ATTR(filter_tid, filter_tid, "config1:0-4"); +DEFINE_UNCORE_FORMAT_ATTR(filter_nid, filter_nid, "config1:10-17"); +DEFINE_UNCORE_FORMAT_ATTR(filter_state, filter_state, "config1:18-22"); +DEFINE_UNCORE_FORMAT_ATTR(filter_opc, filter_opc, "config1:23-31"); +DEFINE_UNCORE_FORMAT_ATTR(filter_brand0, filter_brand0, "config1:0-7"); +DEFINE_UNCORE_FORMAT_ATTR(filter_brand1, filter_brand1, "config1:8-15"); +DEFINE_UNCORE_FORMAT_ATTR(filter_brand2, filter_brand2, "config1:16-23"); +DEFINE_UNCORE_FORMAT_ATTR(filter_brand3, filter_brand3, "config1:24-31"); + +/* Sandy Bridge-EP uncore support */ +static struct intel_uncore_type snbep_uncore_cbox; +static struct intel_uncore_type snbep_uncore_pcu; + +static void snbep_uncore_pci_disable_box(struct intel_uncore_box *box) +{ + struct pci_dev *pdev = box->pci_dev; + int box_ctl = uncore_pci_box_ctl(box); + u32 config; + + pci_read_config_dword(pdev, box_ctl, &config); + config |= SNBEP_PMON_BOX_CTL_FRZ; + pci_write_config_dword(pdev, box_ctl, config); +} + +static void snbep_uncore_pci_enable_box(struct intel_uncore_box *box) +{ + struct pci_dev *pdev = box->pci_dev; + int box_ctl = uncore_pci_box_ctl(box); + u32 config; + + pci_read_config_dword(pdev, box_ctl, &config); + config &= ~SNBEP_PMON_BOX_CTL_FRZ; + pci_write_config_dword(pdev, box_ctl, config); +} + +static void snbep_uncore_pci_enable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct pci_dev *pdev = box->pci_dev; + struct hw_perf_event *hwc = &event->hw; + + pci_write_config_dword(pdev, hwc->config_base, hwc->config | + SNBEP_PMON_CTL_EN); +} + +static void snbep_uncore_pci_disable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct pci_dev *pdev = box->pci_dev; + struct hw_perf_event *hwc = &event->hw; + + pci_write_config_dword(pdev, hwc->config_base, hwc->config); +} + +static u64 snbep_uncore_pci_read_counter(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct pci_dev *pdev = box->pci_dev; + struct hw_perf_event *hwc = &event->hw; + u64 count; + + pci_read_config_dword(pdev, hwc->event_base, (u32 *)&count); + pci_read_config_dword(pdev, hwc->event_base + 4, (u32 *)&count + 1); + return count; +} + +static void snbep_uncore_pci_init_box(struct intel_uncore_box *box) +{ + struct pci_dev *pdev = box->pci_dev; + pci_write_config_dword(pdev, SNBEP_PCI_PMON_BOX_CTL, + SNBEP_PMON_BOX_CTL_INT); +} + +static void snbep_uncore_msr_disable_box(struct intel_uncore_box *box) +{ + u64 config; + unsigned msr; + + msr = uncore_msr_box_ctl(box); + if (msr) { + rdmsrl(msr, config); + config |= SNBEP_PMON_BOX_CTL_FRZ; + wrmsrl(msr, config); + return; + } +} + +static void snbep_uncore_msr_enable_box(struct intel_uncore_box *box) +{ + u64 config; + unsigned msr; + + msr = uncore_msr_box_ctl(box); + if (msr) { + rdmsrl(msr, config); + config &= ~SNBEP_PMON_BOX_CTL_FRZ; + wrmsrl(msr, config); + return; + } +} + +static void snbep_uncore_msr_enable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + + if (reg1->idx != EXTRA_REG_NONE) + wrmsrl(reg1->reg, reg1->config); + + wrmsrl(hwc->config_base, hwc->config | SNBEP_PMON_CTL_EN); +} + +static void snbep_uncore_msr_disable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + wrmsrl(hwc->config_base, hwc->config); +} + +static u64 snbep_uncore_msr_read_counter(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + u64 count; + + rdmsrl(hwc->event_base, count); + return count; +} + +static void snbep_uncore_msr_init_box(struct intel_uncore_box *box) +{ + unsigned msr = uncore_msr_box_ctl(box); + if (msr) + wrmsrl(msr, SNBEP_PMON_BOX_CTL_INT); +} + +static struct event_constraint * +snbep_uncore_get_constraint(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct intel_uncore_extra_reg *er; + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + unsigned long flags; + bool ok = false; + + if (reg1->idx == EXTRA_REG_NONE || (box->phys_id >= 0 && reg1->alloc)) + return NULL; + + er = &box->shared_regs[reg1->idx]; + raw_spin_lock_irqsave(&er->lock, flags); + if (!atomic_read(&er->ref) || er->config1 == reg1->config) { + atomic_inc(&er->ref); + er->config1 = reg1->config; + ok = true; + } + raw_spin_unlock_irqrestore(&er->lock, flags); + + if (ok) { + if (box->phys_id >= 0) + reg1->alloc = 1; + return NULL; + } + return &constraint_empty; +} + +static void snbep_uncore_put_constraint(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct intel_uncore_extra_reg *er; + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + + if (box->phys_id < 0 || !reg1->alloc) + return; + + er = &box->shared_regs[reg1->idx]; + atomic_dec(&er->ref); + reg1->alloc = 0; +} + +static int snbep_uncore_hw_config(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + + if (box->pmu->type == &snbep_uncore_cbox) { + reg1->reg = SNBEP_C0_MSR_PMON_BOX_FILTER + + SNBEP_CBO_MSR_OFFSET * box->pmu->pmu_idx; + reg1->config = event->attr.config1 & + SNBEP_CB0_MSR_PMON_BOX_FILTER_MASK; + } else if (box->pmu->type == &snbep_uncore_pcu) { + reg1->reg = SNBEP_PCU_MSR_PMON_BOX_FILTER; + reg1->config = event->attr.config1 & + SNBEP_PCU_MSR_PMON_BOX_FILTER_MASK; + } else { + return 0; + } + reg1->idx = 0; + return 0; +} + +static struct attribute *snbep_uncore_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_thresh8.attr, + NULL, +}; + +static struct attribute *snbep_uncore_ubox_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_thresh5.attr, + NULL, +}; + +static struct attribute *snbep_uncore_cbox_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_tid_en.attr, + &format_attr_inv.attr, + &format_attr_thresh8.attr, + &format_attr_filter_tid.attr, + &format_attr_filter_nid.attr, + &format_attr_filter_state.attr, + &format_attr_filter_opc.attr, + NULL, +}; + +static struct attribute *snbep_uncore_pcu_formats_attr[] = { + &format_attr_event.attr, + &format_attr_occ_sel.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_thresh5.attr, + &format_attr_occ_invert.attr, + &format_attr_occ_edge.attr, + &format_attr_filter_brand0.attr, + &format_attr_filter_brand1.attr, + &format_attr_filter_brand2.attr, + &format_attr_filter_brand3.attr, + NULL, +}; + +static struct uncore_event_desc snbep_uncore_imc_events[] = { + INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"), + INTEL_UNCORE_EVENT_DESC(cas_count_read, "event=0x04,umask=0x03"), + INTEL_UNCORE_EVENT_DESC(cas_count_write, "event=0x04,umask=0x0c"), + { /* end: all zeroes */ }, +}; + +static struct uncore_event_desc snbep_uncore_qpi_events[] = { + INTEL_UNCORE_EVENT_DESC(clockticks, "event=0x14"), + INTEL_UNCORE_EVENT_DESC(txl_flits_active, "event=0x00,umask=0x06"), + INTEL_UNCORE_EVENT_DESC(drs_data, "event=0x02,umask=0x08"), + INTEL_UNCORE_EVENT_DESC(ncb_data, "event=0x03,umask=0x04"), + { /* end: all zeroes */ }, +}; + +static struct attribute_group snbep_uncore_format_group = { + .name = "format", + .attrs = snbep_uncore_formats_attr, +}; + +static struct attribute_group snbep_uncore_ubox_format_group = { + .name = "format", + .attrs = snbep_uncore_ubox_formats_attr, +}; + +static struct attribute_group snbep_uncore_cbox_format_group = { + .name = "format", + .attrs = snbep_uncore_cbox_formats_attr, +}; + +static struct attribute_group snbep_uncore_pcu_format_group = { + .name = "format", + .attrs = snbep_uncore_pcu_formats_attr, +}; + +static struct intel_uncore_ops snbep_uncore_msr_ops = { + .init_box = snbep_uncore_msr_init_box, + .disable_box = snbep_uncore_msr_disable_box, + .enable_box = snbep_uncore_msr_enable_box, + .disable_event = snbep_uncore_msr_disable_event, + .enable_event = snbep_uncore_msr_enable_event, + .read_counter = snbep_uncore_msr_read_counter, + .get_constraint = snbep_uncore_get_constraint, + .put_constraint = snbep_uncore_put_constraint, + .hw_config = snbep_uncore_hw_config, +}; + +static struct intel_uncore_ops snbep_uncore_pci_ops = { + .init_box = snbep_uncore_pci_init_box, + .disable_box = snbep_uncore_pci_disable_box, + .enable_box = snbep_uncore_pci_enable_box, + .disable_event = snbep_uncore_pci_disable_event, + .enable_event = snbep_uncore_pci_enable_event, + .read_counter = snbep_uncore_pci_read_counter, +}; + +static struct event_constraint snbep_uncore_cbox_constraints[] = { + UNCORE_EVENT_CONSTRAINT(0x01, 0x1), + UNCORE_EVENT_CONSTRAINT(0x02, 0x3), + UNCORE_EVENT_CONSTRAINT(0x04, 0x3), + UNCORE_EVENT_CONSTRAINT(0x05, 0x3), + UNCORE_EVENT_CONSTRAINT(0x07, 0x3), + UNCORE_EVENT_CONSTRAINT(0x11, 0x1), + UNCORE_EVENT_CONSTRAINT(0x12, 0x3), + UNCORE_EVENT_CONSTRAINT(0x13, 0x3), + UNCORE_EVENT_CONSTRAINT(0x1b, 0xc), + UNCORE_EVENT_CONSTRAINT(0x1c, 0xc), + UNCORE_EVENT_CONSTRAINT(0x1d, 0xc), + UNCORE_EVENT_CONSTRAINT(0x1e, 0xc), + EVENT_CONSTRAINT_OVERLAP(0x1f, 0xe, 0xff), + UNCORE_EVENT_CONSTRAINT(0x21, 0x3), + UNCORE_EVENT_CONSTRAINT(0x23, 0x3), + UNCORE_EVENT_CONSTRAINT(0x31, 0x3), + UNCORE_EVENT_CONSTRAINT(0x32, 0x3), + UNCORE_EVENT_CONSTRAINT(0x33, 0x3), + UNCORE_EVENT_CONSTRAINT(0x34, 0x3), + UNCORE_EVENT_CONSTRAINT(0x35, 0x3), + UNCORE_EVENT_CONSTRAINT(0x36, 0x1), + UNCORE_EVENT_CONSTRAINT(0x37, 0x3), + UNCORE_EVENT_CONSTRAINT(0x38, 0x3), + UNCORE_EVENT_CONSTRAINT(0x39, 0x3), + UNCORE_EVENT_CONSTRAINT(0x3b, 0x1), + EVENT_CONSTRAINT_END +}; + +static struct event_constraint snbep_uncore_r2pcie_constraints[] = { + UNCORE_EVENT_CONSTRAINT(0x10, 0x3), + UNCORE_EVENT_CONSTRAINT(0x11, 0x3), + UNCORE_EVENT_CONSTRAINT(0x12, 0x1), + UNCORE_EVENT_CONSTRAINT(0x23, 0x3), + UNCORE_EVENT_CONSTRAINT(0x24, 0x3), + UNCORE_EVENT_CONSTRAINT(0x25, 0x3), + UNCORE_EVENT_CONSTRAINT(0x26, 0x3), + UNCORE_EVENT_CONSTRAINT(0x32, 0x3), + UNCORE_EVENT_CONSTRAINT(0x33, 0x3), + UNCORE_EVENT_CONSTRAINT(0x34, 0x3), + EVENT_CONSTRAINT_END +}; + +static struct event_constraint snbep_uncore_r3qpi_constraints[] = { + UNCORE_EVENT_CONSTRAINT(0x10, 0x3), + UNCORE_EVENT_CONSTRAINT(0x11, 0x3), + UNCORE_EVENT_CONSTRAINT(0x12, 0x3), + UNCORE_EVENT_CONSTRAINT(0x13, 0x1), + UNCORE_EVENT_CONSTRAINT(0x20, 0x3), + UNCORE_EVENT_CONSTRAINT(0x21, 0x3), + UNCORE_EVENT_CONSTRAINT(0x22, 0x3), + UNCORE_EVENT_CONSTRAINT(0x23, 0x3), + UNCORE_EVENT_CONSTRAINT(0x24, 0x3), + UNCORE_EVENT_CONSTRAINT(0x25, 0x3), + UNCORE_EVENT_CONSTRAINT(0x26, 0x3), + UNCORE_EVENT_CONSTRAINT(0x30, 0x3), + UNCORE_EVENT_CONSTRAINT(0x31, 0x3), + UNCORE_EVENT_CONSTRAINT(0x32, 0x3), + UNCORE_EVENT_CONSTRAINT(0x33, 0x3), + UNCORE_EVENT_CONSTRAINT(0x34, 0x3), + UNCORE_EVENT_CONSTRAINT(0x36, 0x3), + UNCORE_EVENT_CONSTRAINT(0x37, 0x3), + EVENT_CONSTRAINT_END +}; + +static struct intel_uncore_type snbep_uncore_ubox = { + .name = "ubox", + .num_counters = 2, + .num_boxes = 1, + .perf_ctr_bits = 44, + .fixed_ctr_bits = 48, + .perf_ctr = SNBEP_U_MSR_PMON_CTR0, + .event_ctl = SNBEP_U_MSR_PMON_CTL0, + .event_mask = SNBEP_U_MSR_PMON_RAW_EVENT_MASK, + .fixed_ctr = SNBEP_U_MSR_PMON_UCLK_FIXED_CTR, + .fixed_ctl = SNBEP_U_MSR_PMON_UCLK_FIXED_CTL, + .ops = &snbep_uncore_msr_ops, + .format_group = &snbep_uncore_ubox_format_group, +}; + +static struct intel_uncore_type snbep_uncore_cbox = { + .name = "cbox", + .num_counters = 4, + .num_boxes = 8, + .perf_ctr_bits = 44, + .event_ctl = SNBEP_C0_MSR_PMON_CTL0, + .perf_ctr = SNBEP_C0_MSR_PMON_CTR0, + .event_mask = SNBEP_CBO_MSR_PMON_RAW_EVENT_MASK, + .box_ctl = SNBEP_C0_MSR_PMON_BOX_CTL, + .msr_offset = SNBEP_CBO_MSR_OFFSET, + .num_shared_regs = 1, + .constraints = snbep_uncore_cbox_constraints, + .ops = &snbep_uncore_msr_ops, + .format_group = &snbep_uncore_cbox_format_group, +}; + +static struct intel_uncore_type snbep_uncore_pcu = { + .name = "pcu", + .num_counters = 4, + .num_boxes = 1, + .perf_ctr_bits = 48, + .perf_ctr = SNBEP_PCU_MSR_PMON_CTR0, + .event_ctl = SNBEP_PCU_MSR_PMON_CTL0, + .event_mask = SNBEP_PCU_MSR_PMON_RAW_EVENT_MASK, + .box_ctl = SNBEP_PCU_MSR_PMON_BOX_CTL, + .num_shared_regs = 1, + .ops = &snbep_uncore_msr_ops, + .format_group = &snbep_uncore_pcu_format_group, +}; + +static struct intel_uncore_type *snbep_msr_uncores[] = { + &snbep_uncore_ubox, + &snbep_uncore_cbox, + &snbep_uncore_pcu, + NULL, +}; + +#define SNBEP_UNCORE_PCI_COMMON_INIT() \ + .perf_ctr = SNBEP_PCI_PMON_CTR0, \ + .event_ctl = SNBEP_PCI_PMON_CTL0, \ + .event_mask = SNBEP_PMON_RAW_EVENT_MASK, \ + .box_ctl = SNBEP_PCI_PMON_BOX_CTL, \ + .ops = &snbep_uncore_pci_ops, \ + .format_group = &snbep_uncore_format_group + +static struct intel_uncore_type snbep_uncore_ha = { + .name = "ha", + .num_counters = 4, + .num_boxes = 1, + .perf_ctr_bits = 48, + SNBEP_UNCORE_PCI_COMMON_INIT(), +}; + +static struct intel_uncore_type snbep_uncore_imc = { + .name = "imc", + .num_counters = 4, + .num_boxes = 4, + .perf_ctr_bits = 48, + .fixed_ctr_bits = 48, + .fixed_ctr = SNBEP_MC_CHy_PCI_PMON_FIXED_CTR, + .fixed_ctl = SNBEP_MC_CHy_PCI_PMON_FIXED_CTL, + .event_descs = snbep_uncore_imc_events, + SNBEP_UNCORE_PCI_COMMON_INIT(), +}; + +static struct intel_uncore_type snbep_uncore_qpi = { + .name = "qpi", + .num_counters = 4, + .num_boxes = 2, + .perf_ctr_bits = 48, + .event_descs = snbep_uncore_qpi_events, + SNBEP_UNCORE_PCI_COMMON_INIT(), +}; + + +static struct intel_uncore_type snbep_uncore_r2pcie = { + .name = "r2pcie", + .num_counters = 4, + .num_boxes = 1, + .perf_ctr_bits = 44, + .constraints = snbep_uncore_r2pcie_constraints, + SNBEP_UNCORE_PCI_COMMON_INIT(), +}; + +static struct intel_uncore_type snbep_uncore_r3qpi = { + .name = "r3qpi", + .num_counters = 3, + .num_boxes = 2, + .perf_ctr_bits = 44, + .constraints = snbep_uncore_r3qpi_constraints, + SNBEP_UNCORE_PCI_COMMON_INIT(), +}; + +static struct intel_uncore_type *snbep_pci_uncores[] = { + &snbep_uncore_ha, + &snbep_uncore_imc, + &snbep_uncore_qpi, + &snbep_uncore_r2pcie, + &snbep_uncore_r3qpi, + NULL, +}; + +static DEFINE_PCI_DEVICE_TABLE(snbep_uncore_pci_ids) = { + { /* Home Agent */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_HA), + .driver_data = (unsigned long)&snbep_uncore_ha, + }, + { /* MC Channel 0 */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC0), + .driver_data = (unsigned long)&snbep_uncore_imc, + }, + { /* MC Channel 1 */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC1), + .driver_data = (unsigned long)&snbep_uncore_imc, + }, + { /* MC Channel 2 */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC2), + .driver_data = (unsigned long)&snbep_uncore_imc, + }, + { /* MC Channel 3 */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_IMC3), + .driver_data = (unsigned long)&snbep_uncore_imc, + }, + { /* QPI Port 0 */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_QPI0), + .driver_data = (unsigned long)&snbep_uncore_qpi, + }, + { /* QPI Port 1 */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_QPI1), + .driver_data = (unsigned long)&snbep_uncore_qpi, + }, + { /* P2PCIe */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_R2PCIE), + .driver_data = (unsigned long)&snbep_uncore_r2pcie, + }, + { /* R3QPI Link 0 */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_R3QPI0), + .driver_data = (unsigned long)&snbep_uncore_r3qpi, + }, + { /* R3QPI Link 1 */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_UNC_R3QPI1), + .driver_data = (unsigned long)&snbep_uncore_r3qpi, + }, + { /* end: all zeroes */ } +}; + +static struct pci_driver snbep_uncore_pci_driver = { + .name = "snbep_uncore", + .id_table = snbep_uncore_pci_ids, +}; + +/* + * build pci bus to socket mapping + */ +static void snbep_pci2phy_map_init(void) +{ + struct pci_dev *ubox_dev = NULL; + int i, bus, nodeid; + u32 config; + + while (1) { + /* find the UBOX device */ + ubox_dev = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_JAKETOWN_UBOX, + ubox_dev); + if (!ubox_dev) + break; + bus = ubox_dev->bus->number; + /* get the Node ID of the local register */ + pci_read_config_dword(ubox_dev, 0x40, &config); + nodeid = config; + /* get the Node ID mapping */ + pci_read_config_dword(ubox_dev, 0x54, &config); + /* + * every three bits in the Node ID mapping register maps + * to a particular node. + */ + for (i = 0; i < 8; i++) { + if (nodeid == ((config >> (3 * i)) & 0x7)) { + pcibus_to_physid[bus] = i; + break; + } + } + }; + return; +} +/* end of Sandy Bridge-EP uncore support */ + + +/* Sandy Bridge uncore support */ +static void snb_uncore_msr_enable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + if (hwc->idx < UNCORE_PMC_IDX_FIXED) + wrmsrl(hwc->config_base, hwc->config | SNB_UNC_CTL_EN); + else + wrmsrl(hwc->config_base, SNB_UNC_CTL_EN); +} + +static void snb_uncore_msr_disable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + wrmsrl(event->hw.config_base, 0); +} + +static u64 snb_uncore_msr_read_counter(struct intel_uncore_box *box, + struct perf_event *event) +{ + u64 count; + rdmsrl(event->hw.event_base, count); + return count; +} + +static void snb_uncore_msr_init_box(struct intel_uncore_box *box) +{ + if (box->pmu->pmu_idx == 0) { + wrmsrl(SNB_UNC_PERF_GLOBAL_CTL, + SNB_UNC_GLOBAL_CTL_EN | SNB_UNC_GLOBAL_CTL_CORE_ALL); + } +} + +static struct attribute *snb_uncore_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_cmask5.attr, + NULL, +}; + +static struct attribute_group snb_uncore_format_group = { + .name = "format", + .attrs = snb_uncore_formats_attr, +}; + +static struct intel_uncore_ops snb_uncore_msr_ops = { + .init_box = snb_uncore_msr_init_box, + .disable_event = snb_uncore_msr_disable_event, + .enable_event = snb_uncore_msr_enable_event, + .read_counter = snb_uncore_msr_read_counter, +}; + +static struct event_constraint snb_uncore_cbox_constraints[] = { + UNCORE_EVENT_CONSTRAINT(0x80, 0x1), + UNCORE_EVENT_CONSTRAINT(0x83, 0x1), + EVENT_CONSTRAINT_END +}; + +static struct intel_uncore_type snb_uncore_cbox = { + .name = "cbox", + .num_counters = 2, + .num_boxes = 4, + .perf_ctr_bits = 44, + .fixed_ctr_bits = 48, + .perf_ctr = SNB_UNC_CBO_0_PER_CTR0, + .event_ctl = SNB_UNC_CBO_0_PERFEVTSEL0, + .fixed_ctr = SNB_UNC_FIXED_CTR, + .fixed_ctl = SNB_UNC_FIXED_CTR_CTRL, + .single_fixed = 1, + .event_mask = SNB_UNC_RAW_EVENT_MASK, + .msr_offset = SNB_UNC_CBO_MSR_OFFSET, + .constraints = snb_uncore_cbox_constraints, + .ops = &snb_uncore_msr_ops, + .format_group = &snb_uncore_format_group, +}; + +static struct intel_uncore_type *snb_msr_uncores[] = { + &snb_uncore_cbox, + NULL, +}; +/* end of Sandy Bridge uncore support */ + +/* Nehalem uncore support */ +static void nhm_uncore_msr_disable_box(struct intel_uncore_box *box) +{ + wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, 0); +} + +static void nhm_uncore_msr_enable_box(struct intel_uncore_box *box) +{ + wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, + NHM_UNC_GLOBAL_CTL_EN_PC_ALL | NHM_UNC_GLOBAL_CTL_EN_FC); +} + +static void nhm_uncore_msr_enable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + if (hwc->idx < UNCORE_PMC_IDX_FIXED) + wrmsrl(hwc->config_base, hwc->config | SNB_UNC_CTL_EN); + else + wrmsrl(hwc->config_base, NHM_UNC_FIXED_CTR_CTL_EN); +} + +static struct attribute *nhm_uncore_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_cmask8.attr, + NULL, +}; + +static struct attribute_group nhm_uncore_format_group = { + .name = "format", + .attrs = nhm_uncore_formats_attr, +}; + +static struct uncore_event_desc nhm_uncore_events[] = { + INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"), + INTEL_UNCORE_EVENT_DESC(qmc_writes_full_any, "event=0x2f,umask=0x0f"), + INTEL_UNCORE_EVENT_DESC(qmc_normal_reads_any, "event=0x2c,umask=0x0f"), + INTEL_UNCORE_EVENT_DESC(qhl_request_ioh_reads, "event=0x20,umask=0x01"), + INTEL_UNCORE_EVENT_DESC(qhl_request_ioh_writes, "event=0x20,umask=0x02"), + INTEL_UNCORE_EVENT_DESC(qhl_request_remote_reads, "event=0x20,umask=0x04"), + INTEL_UNCORE_EVENT_DESC(qhl_request_remote_writes, "event=0x20,umask=0x08"), + INTEL_UNCORE_EVENT_DESC(qhl_request_local_reads, "event=0x20,umask=0x10"), + INTEL_UNCORE_EVENT_DESC(qhl_request_local_writes, "event=0x20,umask=0x20"), + { /* end: all zeroes */ }, +}; + +static struct intel_uncore_ops nhm_uncore_msr_ops = { + .disable_box = nhm_uncore_msr_disable_box, + .enable_box = nhm_uncore_msr_enable_box, + .disable_event = snb_uncore_msr_disable_event, + .enable_event = nhm_uncore_msr_enable_event, + .read_counter = snb_uncore_msr_read_counter, +}; + +static struct intel_uncore_type nhm_uncore = { + .name = "", + .num_counters = 8, + .num_boxes = 1, + .perf_ctr_bits = 48, + .fixed_ctr_bits = 48, + .event_ctl = NHM_UNC_PERFEVTSEL0, + .perf_ctr = NHM_UNC_UNCORE_PMC0, + .fixed_ctr = NHM_UNC_FIXED_CTR, + .fixed_ctl = NHM_UNC_FIXED_CTR_CTRL, + .event_mask = NHM_UNC_RAW_EVENT_MASK, + .event_descs = nhm_uncore_events, + .ops = &nhm_uncore_msr_ops, + .format_group = &nhm_uncore_format_group, +}; + +static struct intel_uncore_type *nhm_msr_uncores[] = { + &nhm_uncore, + NULL, +}; +/* end of Nehalem uncore support */ + +static void uncore_assign_hw_event(struct intel_uncore_box *box, + struct perf_event *event, int idx) +{ + struct hw_perf_event *hwc = &event->hw; + + hwc->idx = idx; + hwc->last_tag = ++box->tags[idx]; + + if (hwc->idx == UNCORE_PMC_IDX_FIXED) { + hwc->event_base = uncore_fixed_ctr(box); + hwc->config_base = uncore_fixed_ctl(box); + return; + } + + hwc->config_base = uncore_event_ctl(box, hwc->idx); + hwc->event_base = uncore_perf_ctr(box, hwc->idx); +} + +static void uncore_perf_event_update(struct intel_uncore_box *box, + struct perf_event *event) +{ + u64 prev_count, new_count, delta; + int shift; + + if (event->hw.idx >= UNCORE_PMC_IDX_FIXED) + shift = 64 - uncore_fixed_ctr_bits(box); + else + shift = 64 - uncore_perf_ctr_bits(box); + + /* the hrtimer might modify the previous event value */ +again: + prev_count = local64_read(&event->hw.prev_count); + new_count = uncore_read_counter(box, event); + if (local64_xchg(&event->hw.prev_count, new_count) != prev_count) + goto again; + + delta = (new_count << shift) - (prev_count << shift); + delta >>= shift; + + local64_add(delta, &event->count); +} + +/* + * The overflow interrupt is unavailable for SandyBridge-EP, is broken + * for SandyBridge. So we use hrtimer to periodically poll the counter + * to avoid overflow. + */ +static enum hrtimer_restart uncore_pmu_hrtimer(struct hrtimer *hrtimer) +{ + struct intel_uncore_box *box; + unsigned long flags; + int bit; + + box = container_of(hrtimer, struct intel_uncore_box, hrtimer); + if (!box->n_active || box->cpu != smp_processor_id()) + return HRTIMER_NORESTART; + /* + * disable local interrupt to prevent uncore_pmu_event_start/stop + * to interrupt the update process + */ + local_irq_save(flags); + + for_each_set_bit(bit, box->active_mask, UNCORE_PMC_IDX_MAX) + uncore_perf_event_update(box, box->events[bit]); + + local_irq_restore(flags); + + hrtimer_forward_now(hrtimer, ns_to_ktime(UNCORE_PMU_HRTIMER_INTERVAL)); + return HRTIMER_RESTART; +} + +static void uncore_pmu_start_hrtimer(struct intel_uncore_box *box) +{ + __hrtimer_start_range_ns(&box->hrtimer, + ns_to_ktime(UNCORE_PMU_HRTIMER_INTERVAL), 0, + HRTIMER_MODE_REL_PINNED, 0); +} + +static void uncore_pmu_cancel_hrtimer(struct intel_uncore_box *box) +{ + hrtimer_cancel(&box->hrtimer); +} + +static void uncore_pmu_init_hrtimer(struct intel_uncore_box *box) +{ + hrtimer_init(&box->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + box->hrtimer.function = uncore_pmu_hrtimer; +} + +struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, + int cpu) +{ + struct intel_uncore_box *box; + int i, size; + + size = sizeof(*box) + type->num_shared_regs * + sizeof(struct intel_uncore_extra_reg); + + box = kmalloc_node(size, GFP_KERNEL | __GFP_ZERO, cpu_to_node(cpu)); + if (!box) + return NULL; + + for (i = 0; i < type->num_shared_regs; i++) + raw_spin_lock_init(&box->shared_regs[i].lock); + + uncore_pmu_init_hrtimer(box); + atomic_set(&box->refcnt, 1); + box->cpu = -1; + box->phys_id = -1; + + return box; +} + +static struct intel_uncore_box * +uncore_pmu_to_box(struct intel_uncore_pmu *pmu, int cpu) +{ + static struct intel_uncore_box *box; + + box = *per_cpu_ptr(pmu->box, cpu); + if (box) + return box; + + raw_spin_lock(&uncore_box_lock); + list_for_each_entry(box, &pmu->box_list, list) { + if (box->phys_id == topology_physical_package_id(cpu)) { + atomic_inc(&box->refcnt); + *per_cpu_ptr(pmu->box, cpu) = box; + break; + } + } + raw_spin_unlock(&uncore_box_lock); + + return *per_cpu_ptr(pmu->box, cpu); +} + +static struct intel_uncore_pmu *uncore_event_to_pmu(struct perf_event *event) +{ + return container_of(event->pmu, struct intel_uncore_pmu, pmu); +} + +static struct intel_uncore_box *uncore_event_to_box(struct perf_event *event) +{ + /* + * perf core schedules event on the basis of cpu, uncore events are + * collected by one of the cpus inside a physical package. + */ + return uncore_pmu_to_box(uncore_event_to_pmu(event), + smp_processor_id()); +} + +static int uncore_collect_events(struct intel_uncore_box *box, + struct perf_event *leader, bool dogrp) +{ + struct perf_event *event; + int n, max_count; + + max_count = box->pmu->type->num_counters; + if (box->pmu->type->fixed_ctl) + max_count++; + + if (box->n_events >= max_count) + return -EINVAL; + + n = box->n_events; + box->event_list[n] = leader; + n++; + if (!dogrp) + return n; + + list_for_each_entry(event, &leader->sibling_list, group_entry) { + if (event->state <= PERF_EVENT_STATE_OFF) + continue; + + if (n >= max_count) + return -EINVAL; + + box->event_list[n] = event; + n++; + } + return n; +} + +static struct event_constraint * +uncore_get_event_constraint(struct intel_uncore_box *box, + struct perf_event *event) +{ + struct intel_uncore_type *type = box->pmu->type; + struct event_constraint *c; + + if (type->ops->get_constraint) { + c = type->ops->get_constraint(box, event); + if (c) + return c; + } + + if (event->hw.config == ~0ULL) + return &constraint_fixed; + + if (type->constraints) { + for_each_event_constraint(c, type->constraints) { + if ((event->hw.config & c->cmask) == c->code) + return c; + } + } + + return &type->unconstrainted; +} + +static void uncore_put_event_constraint(struct intel_uncore_box *box, + struct perf_event *event) +{ + if (box->pmu->type->ops->put_constraint) + box->pmu->type->ops->put_constraint(box, event); +} + +static int uncore_assign_events(struct intel_uncore_box *box, + int assign[], int n) +{ + unsigned long used_mask[BITS_TO_LONGS(UNCORE_PMC_IDX_MAX)]; + struct event_constraint *c, *constraints[UNCORE_PMC_IDX_MAX]; + int i, wmin, wmax, ret = 0; + struct hw_perf_event *hwc; + + bitmap_zero(used_mask, UNCORE_PMC_IDX_MAX); + + for (i = 0, wmin = UNCORE_PMC_IDX_MAX, wmax = 0; i < n; i++) { + c = uncore_get_event_constraint(box, box->event_list[i]); + constraints[i] = c; + wmin = min(wmin, c->weight); + wmax = max(wmax, c->weight); + } + + /* fastpath, try to reuse previous register */ + for (i = 0; i < n; i++) { + hwc = &box->event_list[i]->hw; + c = constraints[i]; + + /* never assigned */ + if (hwc->idx == -1) + break; + + /* constraint still honored */ + if (!test_bit(hwc->idx, c->idxmsk)) + break; + + /* not already used */ + if (test_bit(hwc->idx, used_mask)) + break; + + __set_bit(hwc->idx, used_mask); + if (assign) + assign[i] = hwc->idx; + } + /* slow path */ + if (i != n) + ret = perf_assign_events(constraints, n, wmin, wmax, assign); + + if (!assign || ret) { + for (i = 0; i < n; i++) + uncore_put_event_constraint(box, box->event_list[i]); + } + return ret ? -EINVAL : 0; +} + +static void uncore_pmu_event_start(struct perf_event *event, int flags) +{ + struct intel_uncore_box *box = uncore_event_to_box(event); + int idx = event->hw.idx; + + if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED))) + return; + + if (WARN_ON_ONCE(idx == -1 || idx >= UNCORE_PMC_IDX_MAX)) + return; + + event->hw.state = 0; + box->events[idx] = event; + box->n_active++; + __set_bit(idx, box->active_mask); + + local64_set(&event->hw.prev_count, uncore_read_counter(box, event)); + uncore_enable_event(box, event); + + if (box->n_active == 1) { + uncore_enable_box(box); + uncore_pmu_start_hrtimer(box); + } +} + +static void uncore_pmu_event_stop(struct perf_event *event, int flags) +{ + struct intel_uncore_box *box = uncore_event_to_box(event); + struct hw_perf_event *hwc = &event->hw; + + if (__test_and_clear_bit(hwc->idx, box->active_mask)) { + uncore_disable_event(box, event); + box->n_active--; + box->events[hwc->idx] = NULL; + WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED); + hwc->state |= PERF_HES_STOPPED; + + if (box->n_active == 0) { + uncore_disable_box(box); + uncore_pmu_cancel_hrtimer(box); + } + } + + if ((flags & PERF_EF_UPDATE) && !(hwc->state & PERF_HES_UPTODATE)) { + /* + * Drain the remaining delta count out of a event + * that we are disabling: + */ + uncore_perf_event_update(box, event); + hwc->state |= PERF_HES_UPTODATE; + } +} + +static int uncore_pmu_event_add(struct perf_event *event, int flags) +{ + struct intel_uncore_box *box = uncore_event_to_box(event); + struct hw_perf_event *hwc = &event->hw; + int assign[UNCORE_PMC_IDX_MAX]; + int i, n, ret; + + if (!box) + return -ENODEV; + + ret = n = uncore_collect_events(box, event, false); + if (ret < 0) + return ret; + + hwc->state = PERF_HES_UPTODATE | PERF_HES_STOPPED; + if (!(flags & PERF_EF_START)) + hwc->state |= PERF_HES_ARCH; + + ret = uncore_assign_events(box, assign, n); + if (ret) + return ret; + + /* save events moving to new counters */ + for (i = 0; i < box->n_events; i++) { + event = box->event_list[i]; + hwc = &event->hw; + + if (hwc->idx == assign[i] && + hwc->last_tag == box->tags[assign[i]]) + continue; + /* + * Ensure we don't accidentally enable a stopped + * counter simply because we rescheduled. + */ + if (hwc->state & PERF_HES_STOPPED) + hwc->state |= PERF_HES_ARCH; + + uncore_pmu_event_stop(event, PERF_EF_UPDATE); + } + + /* reprogram moved events into new counters */ + for (i = 0; i < n; i++) { + event = box->event_list[i]; + hwc = &event->hw; + + if (hwc->idx != assign[i] || + hwc->last_tag != box->tags[assign[i]]) + uncore_assign_hw_event(box, event, assign[i]); + else if (i < box->n_events) + continue; + + if (hwc->state & PERF_HES_ARCH) + continue; + + uncore_pmu_event_start(event, 0); + } + box->n_events = n; + + return 0; +} + +static void uncore_pmu_event_del(struct perf_event *event, int flags) +{ + struct intel_uncore_box *box = uncore_event_to_box(event); + int i; + + uncore_pmu_event_stop(event, PERF_EF_UPDATE); + + for (i = 0; i < box->n_events; i++) { + if (event == box->event_list[i]) { + uncore_put_event_constraint(box, event); + + while (++i < box->n_events) + box->event_list[i - 1] = box->event_list[i]; + + --box->n_events; + break; + } + } + + event->hw.idx = -1; + event->hw.last_tag = ~0ULL; +} + +static void uncore_pmu_event_read(struct perf_event *event) +{ + struct intel_uncore_box *box = uncore_event_to_box(event); + uncore_perf_event_update(box, event); +} + +/* + * validation ensures the group can be loaded onto the + * PMU if it was the only group available. + */ +static int uncore_validate_group(struct intel_uncore_pmu *pmu, + struct perf_event *event) +{ + struct perf_event *leader = event->group_leader; + struct intel_uncore_box *fake_box; + int ret = -EINVAL, n; + + fake_box = uncore_alloc_box(pmu->type, smp_processor_id()); + if (!fake_box) + return -ENOMEM; + + fake_box->pmu = pmu; + /* + * the event is not yet connected with its + * siblings therefore we must first collect + * existing siblings, then add the new event + * before we can simulate the scheduling + */ + n = uncore_collect_events(fake_box, leader, true); + if (n < 0) + goto out; + + fake_box->n_events = n; + n = uncore_collect_events(fake_box, event, false); + if (n < 0) + goto out; + + fake_box->n_events = n; + + ret = uncore_assign_events(fake_box, NULL, n); +out: + kfree(fake_box); + return ret; +} + +int uncore_pmu_event_init(struct perf_event *event) +{ + struct intel_uncore_pmu *pmu; + struct intel_uncore_box *box; + struct hw_perf_event *hwc = &event->hw; + int ret; + + if (event->attr.type != event->pmu->type) + return -ENOENT; + + pmu = uncore_event_to_pmu(event); + /* no device found for this pmu */ + if (pmu->func_id < 0) + return -ENOENT; + + /* + * Uncore PMU does measure at all privilege level all the time. + * So it doesn't make sense to specify any exclude bits. + */ + if (event->attr.exclude_user || event->attr.exclude_kernel || + event->attr.exclude_hv || event->attr.exclude_idle) + return -EINVAL; + + /* Sampling not supported yet */ + if (hwc->sample_period) + return -EINVAL; + + /* + * Place all uncore events for a particular physical package + * onto a single cpu + */ + if (event->cpu < 0) + return -EINVAL; + box = uncore_pmu_to_box(pmu, event->cpu); + if (!box || box->cpu < 0) + return -EINVAL; + event->cpu = box->cpu; + + event->hw.idx = -1; + event->hw.last_tag = ~0ULL; + event->hw.extra_reg.idx = EXTRA_REG_NONE; + + if (event->attr.config == UNCORE_FIXED_EVENT) { + /* no fixed counter */ + if (!pmu->type->fixed_ctl) + return -EINVAL; + /* + * if there is only one fixed counter, only the first pmu + * can access the fixed counter + */ + if (pmu->type->single_fixed && pmu->pmu_idx > 0) + return -EINVAL; + hwc->config = ~0ULL; + } else { + hwc->config = event->attr.config & pmu->type->event_mask; + if (pmu->type->ops->hw_config) { + ret = pmu->type->ops->hw_config(box, event); + if (ret) + return ret; + } + } + + if (event->group_leader != event) + ret = uncore_validate_group(pmu, event); + else + ret = 0; + + return ret; +} + +static int __init uncore_pmu_register(struct intel_uncore_pmu *pmu) +{ + int ret; + + pmu->pmu = (struct pmu) { + .attr_groups = pmu->type->attr_groups, + .task_ctx_nr = perf_invalid_context, + .event_init = uncore_pmu_event_init, + .add = uncore_pmu_event_add, + .del = uncore_pmu_event_del, + .start = uncore_pmu_event_start, + .stop = uncore_pmu_event_stop, + .read = uncore_pmu_event_read, + }; + + if (pmu->type->num_boxes == 1) { + if (strlen(pmu->type->name) > 0) + sprintf(pmu->name, "uncore_%s", pmu->type->name); + else + sprintf(pmu->name, "uncore"); + } else { + sprintf(pmu->name, "uncore_%s_%d", pmu->type->name, + pmu->pmu_idx); + } + + ret = perf_pmu_register(&pmu->pmu, pmu->name, -1); + return ret; +} + +static void __init uncore_type_exit(struct intel_uncore_type *type) +{ + int i; + + for (i = 0; i < type->num_boxes; i++) + free_percpu(type->pmus[i].box); + kfree(type->pmus); + type->pmus = NULL; + kfree(type->attr_groups[1]); + type->attr_groups[1] = NULL; +} + +static void uncore_types_exit(struct intel_uncore_type **types) +{ + int i; + for (i = 0; types[i]; i++) + uncore_type_exit(types[i]); +} + +static int __init uncore_type_init(struct intel_uncore_type *type) +{ + struct intel_uncore_pmu *pmus; + struct attribute_group *events_group; + struct attribute **attrs; + int i, j; + + pmus = kzalloc(sizeof(*pmus) * type->num_boxes, GFP_KERNEL); + if (!pmus) + return -ENOMEM; + + type->unconstrainted = (struct event_constraint) + __EVENT_CONSTRAINT(0, (1ULL << type->num_counters) - 1, + 0, type->num_counters, 0); + + for (i = 0; i < type->num_boxes; i++) { + pmus[i].func_id = -1; + pmus[i].pmu_idx = i; + pmus[i].type = type; + INIT_LIST_HEAD(&pmus[i].box_list); + pmus[i].box = alloc_percpu(struct intel_uncore_box *); + if (!pmus[i].box) + goto fail; + } + + if (type->event_descs) { + i = 0; + while (type->event_descs[i].attr.attr.name) + i++; + + events_group = kzalloc(sizeof(struct attribute *) * (i + 1) + + sizeof(*events_group), GFP_KERNEL); + if (!events_group) + goto fail; + + attrs = (struct attribute **)(events_group + 1); + events_group->name = "events"; + events_group->attrs = attrs; + + for (j = 0; j < i; j++) + attrs[j] = &type->event_descs[j].attr.attr; + + type->attr_groups[1] = events_group; + } + + type->pmus = pmus; + return 0; +fail: + uncore_type_exit(type); + return -ENOMEM; +} + +static int __init uncore_types_init(struct intel_uncore_type **types) +{ + int i, ret; + + for (i = 0; types[i]; i++) { + ret = uncore_type_init(types[i]); + if (ret) + goto fail; + } + return 0; +fail: + while (--i >= 0) + uncore_type_exit(types[i]); + return ret; +} + +static struct pci_driver *uncore_pci_driver; +static bool pcidrv_registered; + +/* + * add a pci uncore device + */ +static int __devinit uncore_pci_add(struct intel_uncore_type *type, + struct pci_dev *pdev) +{ + struct intel_uncore_pmu *pmu; + struct intel_uncore_box *box; + int i, phys_id; + + phys_id = pcibus_to_physid[pdev->bus->number]; + if (phys_id < 0) + return -ENODEV; + + box = uncore_alloc_box(type, 0); + if (!box) + return -ENOMEM; + + /* + * for performance monitoring unit with multiple boxes, + * each box has a different function id. + */ + for (i = 0; i < type->num_boxes; i++) { + pmu = &type->pmus[i]; + if (pmu->func_id == pdev->devfn) + break; + if (pmu->func_id < 0) { + pmu->func_id = pdev->devfn; + break; + } + pmu = NULL; + } + + if (!pmu) { + kfree(box); + return -EINVAL; + } + + box->phys_id = phys_id; + box->pci_dev = pdev; + box->pmu = pmu; + uncore_box_init(box); + pci_set_drvdata(pdev, box); + + raw_spin_lock(&uncore_box_lock); + list_add_tail(&box->list, &pmu->box_list); + raw_spin_unlock(&uncore_box_lock); + + return 0; +} + +static void uncore_pci_remove(struct pci_dev *pdev) +{ + struct intel_uncore_box *box = pci_get_drvdata(pdev); + struct intel_uncore_pmu *pmu = box->pmu; + int cpu, phys_id = pcibus_to_physid[pdev->bus->number]; + + if (WARN_ON_ONCE(phys_id != box->phys_id)) + return; + + raw_spin_lock(&uncore_box_lock); + list_del(&box->list); + raw_spin_unlock(&uncore_box_lock); + + for_each_possible_cpu(cpu) { + if (*per_cpu_ptr(pmu->box, cpu) == box) { + *per_cpu_ptr(pmu->box, cpu) = NULL; + atomic_dec(&box->refcnt); + } + } + + WARN_ON_ONCE(atomic_read(&box->refcnt) != 1); + kfree(box); +} + +static int __devinit uncore_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + struct intel_uncore_type *type; + + type = (struct intel_uncore_type *)id->driver_data; + return uncore_pci_add(type, pdev); +} + +static int __init uncore_pci_init(void) +{ + int ret; + + switch (boot_cpu_data.x86_model) { + case 45: /* Sandy Bridge-EP */ + pci_uncores = snbep_pci_uncores; + uncore_pci_driver = &snbep_uncore_pci_driver; + snbep_pci2phy_map_init(); + break; + default: + return 0; + } + + ret = uncore_types_init(pci_uncores); + if (ret) + return ret; + + uncore_pci_driver->probe = uncore_pci_probe; + uncore_pci_driver->remove = uncore_pci_remove; + + ret = pci_register_driver(uncore_pci_driver); + if (ret == 0) + pcidrv_registered = true; + else + uncore_types_exit(pci_uncores); + + return ret; +} + +static void __init uncore_pci_exit(void) +{ + if (pcidrv_registered) { + pcidrv_registered = false; + pci_unregister_driver(uncore_pci_driver); + uncore_types_exit(pci_uncores); + } +} + +static void __cpuinit uncore_cpu_dying(int cpu) +{ + struct intel_uncore_type *type; + struct intel_uncore_pmu *pmu; + struct intel_uncore_box *box; + int i, j; + + for (i = 0; msr_uncores[i]; i++) { + type = msr_uncores[i]; + for (j = 0; j < type->num_boxes; j++) { + pmu = &type->pmus[j]; + box = *per_cpu_ptr(pmu->box, cpu); + *per_cpu_ptr(pmu->box, cpu) = NULL; + if (box && atomic_dec_and_test(&box->refcnt)) + kfree(box); + } + } +} + +static int __cpuinit uncore_cpu_starting(int cpu) +{ + struct intel_uncore_type *type; + struct intel_uncore_pmu *pmu; + struct intel_uncore_box *box, *exist; + int i, j, k, phys_id; + + phys_id = topology_physical_package_id(cpu); + + for (i = 0; msr_uncores[i]; i++) { + type = msr_uncores[i]; + for (j = 0; j < type->num_boxes; j++) { + pmu = &type->pmus[j]; + box = *per_cpu_ptr(pmu->box, cpu); + /* called by uncore_cpu_init? */ + if (box && box->phys_id >= 0) { + uncore_box_init(box); + continue; + } + + for_each_online_cpu(k) { + exist = *per_cpu_ptr(pmu->box, k); + if (exist && exist->phys_id == phys_id) { + atomic_inc(&exist->refcnt); + *per_cpu_ptr(pmu->box, cpu) = exist; + kfree(box); + box = NULL; + break; + } + } + + if (box) { + box->phys_id = phys_id; + uncore_box_init(box); + } + } + } + return 0; +} + +static int __cpuinit uncore_cpu_prepare(int cpu, int phys_id) +{ + struct intel_uncore_type *type; + struct intel_uncore_pmu *pmu; + struct intel_uncore_box *box; + int i, j; + + for (i = 0; msr_uncores[i]; i++) { + type = msr_uncores[i]; + for (j = 0; j < type->num_boxes; j++) { + pmu = &type->pmus[j]; + if (pmu->func_id < 0) + pmu->func_id = j; + + box = uncore_alloc_box(type, cpu); + if (!box) + return -ENOMEM; + + box->pmu = pmu; + box->phys_id = phys_id; + *per_cpu_ptr(pmu->box, cpu) = box; + } + } + return 0; +} + +static void __cpuinit uncore_change_context(struct intel_uncore_type **uncores, + int old_cpu, int new_cpu) +{ + struct intel_uncore_type *type; + struct intel_uncore_pmu *pmu; + struct intel_uncore_box *box; + int i, j; + + for (i = 0; uncores[i]; i++) { + type = uncores[i]; + for (j = 0; j < type->num_boxes; j++) { + pmu = &type->pmus[j]; + if (old_cpu < 0) + box = uncore_pmu_to_box(pmu, new_cpu); + else + box = uncore_pmu_to_box(pmu, old_cpu); + if (!box) + continue; + + if (old_cpu < 0) { + WARN_ON_ONCE(box->cpu != -1); + box->cpu = new_cpu; + continue; + } + + WARN_ON_ONCE(box->cpu != old_cpu); + if (new_cpu >= 0) { + uncore_pmu_cancel_hrtimer(box); + perf_pmu_migrate_context(&pmu->pmu, + old_cpu, new_cpu); + box->cpu = new_cpu; + } else { + box->cpu = -1; + } + } + } +} + +static void __cpuinit uncore_event_exit_cpu(int cpu) +{ + int i, phys_id, target; + + /* if exiting cpu is used for collecting uncore events */ + if (!cpumask_test_and_clear_cpu(cpu, &uncore_cpu_mask)) + return; + + /* find a new cpu to collect uncore events */ + phys_id = topology_physical_package_id(cpu); + target = -1; + for_each_online_cpu(i) { + if (i == cpu) + continue; + if (phys_id == topology_physical_package_id(i)) { + target = i; + break; + } + } + + /* migrate uncore events to the new cpu */ + if (target >= 0) + cpumask_set_cpu(target, &uncore_cpu_mask); + + uncore_change_context(msr_uncores, cpu, target); + uncore_change_context(pci_uncores, cpu, target); +} + +static void __cpuinit uncore_event_init_cpu(int cpu) +{ + int i, phys_id; + + phys_id = topology_physical_package_id(cpu); + for_each_cpu(i, &uncore_cpu_mask) { + if (phys_id == topology_physical_package_id(i)) + return; + } + + cpumask_set_cpu(cpu, &uncore_cpu_mask); + + uncore_change_context(msr_uncores, -1, cpu); + uncore_change_context(pci_uncores, -1, cpu); +} + +static int __cpuinit uncore_cpu_notifier(struct notifier_block *self, + unsigned long action, void *hcpu) +{ + unsigned int cpu = (long)hcpu; + + /* allocate/free data structure for uncore box */ + switch (action & ~CPU_TASKS_FROZEN) { + case CPU_UP_PREPARE: + uncore_cpu_prepare(cpu, -1); + break; + case CPU_STARTING: + uncore_cpu_starting(cpu); + break; + case CPU_UP_CANCELED: + case CPU_DYING: + uncore_cpu_dying(cpu); + break; + default: + break; + } + + /* select the cpu that collects uncore events */ + switch (action & ~CPU_TASKS_FROZEN) { + case CPU_DOWN_FAILED: + case CPU_STARTING: + uncore_event_init_cpu(cpu); + break; + case CPU_DOWN_PREPARE: + uncore_event_exit_cpu(cpu); + break; + default: + break; + } + + return NOTIFY_OK; +} + +static struct notifier_block uncore_cpu_nb __cpuinitdata = { + .notifier_call = uncore_cpu_notifier, + /* + * to migrate uncore events, our notifier should be executed + * before perf core's notifier. + */ + .priority = CPU_PRI_PERF + 1, +}; + +static void __init uncore_cpu_setup(void *dummy) +{ + uncore_cpu_starting(smp_processor_id()); +} + +static int __init uncore_cpu_init(void) +{ + int ret, cpu, max_cores; + + max_cores = boot_cpu_data.x86_max_cores; + switch (boot_cpu_data.x86_model) { + case 26: /* Nehalem */ + case 30: + case 37: /* Westmere */ + case 44: + msr_uncores = nhm_msr_uncores; + break; + case 42: /* Sandy Bridge */ + if (snb_uncore_cbox.num_boxes > max_cores) + snb_uncore_cbox.num_boxes = max_cores; + msr_uncores = snb_msr_uncores; + break; + case 45: /* Sandy Birdge-EP */ + if (snbep_uncore_cbox.num_boxes > max_cores) + snbep_uncore_cbox.num_boxes = max_cores; + msr_uncores = snbep_msr_uncores; + break; + default: + return 0; + } + + ret = uncore_types_init(msr_uncores); + if (ret) + return ret; + + get_online_cpus(); + + for_each_online_cpu(cpu) { + int i, phys_id = topology_physical_package_id(cpu); + + for_each_cpu(i, &uncore_cpu_mask) { + if (phys_id == topology_physical_package_id(i)) { + phys_id = -1; + break; + } + } + if (phys_id < 0) + continue; + + uncore_cpu_prepare(cpu, phys_id); + uncore_event_init_cpu(cpu); + } + on_each_cpu(uncore_cpu_setup, NULL, 1); + + register_cpu_notifier(&uncore_cpu_nb); + + put_online_cpus(); + + return 0; +} + +static int __init uncore_pmus_register(void) +{ + struct intel_uncore_pmu *pmu; + struct intel_uncore_type *type; + int i, j; + + for (i = 0; msr_uncores[i]; i++) { + type = msr_uncores[i]; + for (j = 0; j < type->num_boxes; j++) { + pmu = &type->pmus[j]; + uncore_pmu_register(pmu); + } + } + + for (i = 0; pci_uncores[i]; i++) { + type = pci_uncores[i]; + for (j = 0; j < type->num_boxes; j++) { + pmu = &type->pmus[j]; + uncore_pmu_register(pmu); + } + } + + return 0; +} + +static int __init intel_uncore_init(void) +{ + int ret; + + if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) + return -ENODEV; + + ret = uncore_pci_init(); + if (ret) + goto fail; + ret = uncore_cpu_init(); + if (ret) { + uncore_pci_exit(); + goto fail; + } + + uncore_pmus_register(); + return 0; +fail: + return ret; +} +device_initcall(intel_uncore_init); diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.h b/arch/x86/kernel/cpu/perf_event_intel_uncore.h new file mode 100644 index 000000000000..b13e9ea81def --- /dev/null +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.h @@ -0,0 +1,424 @@ +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/pci.h> +#include <linux/perf_event.h> +#include "perf_event.h" + +#define UNCORE_PMU_NAME_LEN 32 +#define UNCORE_BOX_HASH_SIZE 8 + +#define UNCORE_PMU_HRTIMER_INTERVAL (60 * NSEC_PER_SEC) + +#define UNCORE_FIXED_EVENT 0xff +#define UNCORE_PMC_IDX_MAX_GENERIC 8 +#define UNCORE_PMC_IDX_FIXED UNCORE_PMC_IDX_MAX_GENERIC +#define UNCORE_PMC_IDX_MAX (UNCORE_PMC_IDX_FIXED + 1) + +#define UNCORE_EVENT_CONSTRAINT(c, n) EVENT_CONSTRAINT(c, n, 0xff) + +/* SNB event control */ +#define SNB_UNC_CTL_EV_SEL_MASK 0x000000ff +#define SNB_UNC_CTL_UMASK_MASK 0x0000ff00 +#define SNB_UNC_CTL_EDGE_DET (1 << 18) +#define SNB_UNC_CTL_EN (1 << 22) +#define SNB_UNC_CTL_INVERT (1 << 23) +#define SNB_UNC_CTL_CMASK_MASK 0x1f000000 +#define NHM_UNC_CTL_CMASK_MASK 0xff000000 +#define NHM_UNC_FIXED_CTR_CTL_EN (1 << 0) + +#define SNB_UNC_RAW_EVENT_MASK (SNB_UNC_CTL_EV_SEL_MASK | \ + SNB_UNC_CTL_UMASK_MASK | \ + SNB_UNC_CTL_EDGE_DET | \ + SNB_UNC_CTL_INVERT | \ + SNB_UNC_CTL_CMASK_MASK) + +#define NHM_UNC_RAW_EVENT_MASK (SNB_UNC_CTL_EV_SEL_MASK | \ + SNB_UNC_CTL_UMASK_MASK | \ + SNB_UNC_CTL_EDGE_DET | \ + SNB_UNC_CTL_INVERT | \ + NHM_UNC_CTL_CMASK_MASK) + +/* SNB global control register */ +#define SNB_UNC_PERF_GLOBAL_CTL 0x391 +#define SNB_UNC_FIXED_CTR_CTRL 0x394 +#define SNB_UNC_FIXED_CTR 0x395 + +/* SNB uncore global control */ +#define SNB_UNC_GLOBAL_CTL_CORE_ALL ((1 << 4) - 1) +#define SNB_UNC_GLOBAL_CTL_EN (1 << 29) + +/* SNB Cbo register */ +#define SNB_UNC_CBO_0_PERFEVTSEL0 0x700 +#define SNB_UNC_CBO_0_PER_CTR0 0x706 +#define SNB_UNC_CBO_MSR_OFFSET 0x10 + +/* NHM global control register */ +#define NHM_UNC_PERF_GLOBAL_CTL 0x391 +#define NHM_UNC_FIXED_CTR 0x394 +#define NHM_UNC_FIXED_CTR_CTRL 0x395 + +/* NHM uncore global control */ +#define NHM_UNC_GLOBAL_CTL_EN_PC_ALL ((1ULL << 8) - 1) +#define NHM_UNC_GLOBAL_CTL_EN_FC (1ULL << 32) + +/* NHM uncore register */ +#define NHM_UNC_PERFEVTSEL0 0x3c0 +#define NHM_UNC_UNCORE_PMC0 0x3b0 + +/* SNB-EP Box level control */ +#define SNBEP_PMON_BOX_CTL_RST_CTRL (1 << 0) +#define SNBEP_PMON_BOX_CTL_RST_CTRS (1 << 1) +#define SNBEP_PMON_BOX_CTL_FRZ (1 << 8) +#define SNBEP_PMON_BOX_CTL_FRZ_EN (1 << 16) +#define SNBEP_PMON_BOX_CTL_INT (SNBEP_PMON_BOX_CTL_RST_CTRL | \ + SNBEP_PMON_BOX_CTL_RST_CTRS | \ + SNBEP_PMON_BOX_CTL_FRZ_EN) +/* SNB-EP event control */ +#define SNBEP_PMON_CTL_EV_SEL_MASK 0x000000ff +#define SNBEP_PMON_CTL_UMASK_MASK 0x0000ff00 +#define SNBEP_PMON_CTL_RST (1 << 17) +#define SNBEP_PMON_CTL_EDGE_DET (1 << 18) +#define SNBEP_PMON_CTL_EV_SEL_EXT (1 << 21) /* only for QPI */ +#define SNBEP_PMON_CTL_EN (1 << 22) +#define SNBEP_PMON_CTL_INVERT (1 << 23) +#define SNBEP_PMON_CTL_TRESH_MASK 0xff000000 +#define SNBEP_PMON_RAW_EVENT_MASK (SNBEP_PMON_CTL_EV_SEL_MASK | \ + SNBEP_PMON_CTL_UMASK_MASK | \ + SNBEP_PMON_CTL_EDGE_DET | \ + SNBEP_PMON_CTL_INVERT | \ + SNBEP_PMON_CTL_TRESH_MASK) + +/* SNB-EP Ubox event control */ +#define SNBEP_U_MSR_PMON_CTL_TRESH_MASK 0x1f000000 +#define SNBEP_U_MSR_PMON_RAW_EVENT_MASK \ + (SNBEP_PMON_CTL_EV_SEL_MASK | \ + SNBEP_PMON_CTL_UMASK_MASK | \ + SNBEP_PMON_CTL_EDGE_DET | \ + SNBEP_PMON_CTL_INVERT | \ + SNBEP_U_MSR_PMON_CTL_TRESH_MASK) + +#define SNBEP_CBO_PMON_CTL_TID_EN (1 << 19) +#define SNBEP_CBO_MSR_PMON_RAW_EVENT_MASK (SNBEP_PMON_RAW_EVENT_MASK | \ + SNBEP_CBO_PMON_CTL_TID_EN) + +/* SNB-EP PCU event control */ +#define SNBEP_PCU_MSR_PMON_CTL_OCC_SEL_MASK 0x0000c000 +#define SNBEP_PCU_MSR_PMON_CTL_TRESH_MASK 0x1f000000 +#define SNBEP_PCU_MSR_PMON_CTL_OCC_INVERT (1 << 30) +#define SNBEP_PCU_MSR_PMON_CTL_OCC_EDGE_DET (1 << 31) +#define SNBEP_PCU_MSR_PMON_RAW_EVENT_MASK \ + (SNBEP_PMON_CTL_EV_SEL_MASK | \ + SNBEP_PCU_MSR_PMON_CTL_OCC_SEL_MASK | \ + SNBEP_PMON_CTL_EDGE_DET | \ + SNBEP_PMON_CTL_INVERT | \ + SNBEP_PCU_MSR_PMON_CTL_TRESH_MASK | \ + SNBEP_PCU_MSR_PMON_CTL_OCC_INVERT | \ + SNBEP_PCU_MSR_PMON_CTL_OCC_EDGE_DET) + +/* SNB-EP pci control register */ +#define SNBEP_PCI_PMON_BOX_CTL 0xf4 +#define SNBEP_PCI_PMON_CTL0 0xd8 +/* SNB-EP pci counter register */ +#define SNBEP_PCI_PMON_CTR0 0xa0 + +/* SNB-EP home agent register */ +#define SNBEP_HA_PCI_PMON_BOX_ADDRMATCH0 0x40 +#define SNBEP_HA_PCI_PMON_BOX_ADDRMATCH1 0x44 +#define SNBEP_HA_PCI_PMON_BOX_OPCODEMATCH 0x48 +/* SNB-EP memory controller register */ +#define SNBEP_MC_CHy_PCI_PMON_FIXED_CTL 0xf0 +#define SNBEP_MC_CHy_PCI_PMON_FIXED_CTR 0xd0 +/* SNB-EP QPI register */ +#define SNBEP_Q_Py_PCI_PMON_PKT_MATCH0 0x228 +#define SNBEP_Q_Py_PCI_PMON_PKT_MATCH1 0x22c +#define SNBEP_Q_Py_PCI_PMON_PKT_MASK0 0x238 +#define SNBEP_Q_Py_PCI_PMON_PKT_MASK1 0x23c + +/* SNB-EP Ubox register */ +#define SNBEP_U_MSR_PMON_CTR0 0xc16 +#define SNBEP_U_MSR_PMON_CTL0 0xc10 + +#define SNBEP_U_MSR_PMON_UCLK_FIXED_CTL 0xc08 +#define SNBEP_U_MSR_PMON_UCLK_FIXED_CTR 0xc09 + +/* SNB-EP Cbo register */ +#define SNBEP_C0_MSR_PMON_CTR0 0xd16 +#define SNBEP_C0_MSR_PMON_CTL0 0xd10 +#define SNBEP_C0_MSR_PMON_BOX_CTL 0xd04 +#define SNBEP_C0_MSR_PMON_BOX_FILTER 0xd14 +#define SNBEP_CB0_MSR_PMON_BOX_FILTER_MASK 0xfffffc1f +#define SNBEP_CBO_MSR_OFFSET 0x20 + +/* SNB-EP PCU register */ +#define SNBEP_PCU_MSR_PMON_CTR0 0xc36 +#define SNBEP_PCU_MSR_PMON_CTL0 0xc30 +#define SNBEP_PCU_MSR_PMON_BOX_CTL 0xc24 +#define SNBEP_PCU_MSR_PMON_BOX_FILTER 0xc34 +#define SNBEP_PCU_MSR_PMON_BOX_FILTER_MASK 0xffffffff +#define SNBEP_PCU_MSR_CORE_C3_CTR 0x3fc +#define SNBEP_PCU_MSR_CORE_C6_CTR 0x3fd + +struct intel_uncore_ops; +struct intel_uncore_pmu; +struct intel_uncore_box; +struct uncore_event_desc; + +struct intel_uncore_type { + const char *name; + int num_counters; + int num_boxes; + int perf_ctr_bits; + int fixed_ctr_bits; + unsigned perf_ctr; + unsigned event_ctl; + unsigned event_mask; + unsigned fixed_ctr; + unsigned fixed_ctl; + unsigned box_ctl; + unsigned msr_offset; + unsigned num_shared_regs:8; + unsigned single_fixed:1; + struct event_constraint unconstrainted; + struct event_constraint *constraints; + struct intel_uncore_pmu *pmus; + struct intel_uncore_ops *ops; + struct uncore_event_desc *event_descs; + const struct attribute_group *attr_groups[3]; +}; + +#define format_group attr_groups[0] + +struct intel_uncore_ops { + void (*init_box)(struct intel_uncore_box *); + void (*disable_box)(struct intel_uncore_box *); + void (*enable_box)(struct intel_uncore_box *); + void (*disable_event)(struct intel_uncore_box *, struct perf_event *); + void (*enable_event)(struct intel_uncore_box *, struct perf_event *); + u64 (*read_counter)(struct intel_uncore_box *, struct perf_event *); + int (*hw_config)(struct intel_uncore_box *, struct perf_event *); + struct event_constraint *(*get_constraint)(struct intel_uncore_box *, + struct perf_event *); + void (*put_constraint)(struct intel_uncore_box *, struct perf_event *); +}; + +struct intel_uncore_pmu { + struct pmu pmu; + char name[UNCORE_PMU_NAME_LEN]; + int pmu_idx; + int func_id; + struct intel_uncore_type *type; + struct intel_uncore_box ** __percpu box; + struct list_head box_list; +}; + +struct intel_uncore_extra_reg { + raw_spinlock_t lock; + u64 config1; + atomic_t ref; +}; + +struct intel_uncore_box { + int phys_id; + int n_active; /* number of active events */ + int n_events; + int cpu; /* cpu to collect events */ + unsigned long flags; + atomic_t refcnt; + struct perf_event *events[UNCORE_PMC_IDX_MAX]; + struct perf_event *event_list[UNCORE_PMC_IDX_MAX]; + unsigned long active_mask[BITS_TO_LONGS(UNCORE_PMC_IDX_MAX)]; + u64 tags[UNCORE_PMC_IDX_MAX]; + struct pci_dev *pci_dev; + struct intel_uncore_pmu *pmu; + struct hrtimer hrtimer; + struct list_head list; + struct intel_uncore_extra_reg shared_regs[0]; +}; + +#define UNCORE_BOX_FLAG_INITIATED 0 + +struct uncore_event_desc { + struct kobj_attribute attr; + const char *config; +}; + +#define INTEL_UNCORE_EVENT_DESC(_name, _config) \ +{ \ + .attr = __ATTR(_name, 0444, uncore_event_show, NULL), \ + .config = _config, \ +} + +#define DEFINE_UNCORE_FORMAT_ATTR(_var, _name, _format) \ +static ssize_t __uncore_##_var##_show(struct kobject *kobj, \ + struct kobj_attribute *attr, \ + char *page) \ +{ \ + BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \ + return sprintf(page, _format "\n"); \ +} \ +static struct kobj_attribute format_attr_##_var = \ + __ATTR(_name, 0444, __uncore_##_var##_show, NULL) + + +static ssize_t uncore_event_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + struct uncore_event_desc *event = + container_of(attr, struct uncore_event_desc, attr); + return sprintf(buf, "%s", event->config); +} + +static inline unsigned uncore_pci_box_ctl(struct intel_uncore_box *box) +{ + return box->pmu->type->box_ctl; +} + +static inline unsigned uncore_pci_fixed_ctl(struct intel_uncore_box *box) +{ + return box->pmu->type->fixed_ctl; +} + +static inline unsigned uncore_pci_fixed_ctr(struct intel_uncore_box *box) +{ + return box->pmu->type->fixed_ctr; +} + +static inline +unsigned uncore_pci_event_ctl(struct intel_uncore_box *box, int idx) +{ + return idx * 4 + box->pmu->type->event_ctl; +} + +static inline +unsigned uncore_pci_perf_ctr(struct intel_uncore_box *box, int idx) +{ + return idx * 8 + box->pmu->type->perf_ctr; +} + +static inline +unsigned uncore_msr_box_ctl(struct intel_uncore_box *box) +{ + if (!box->pmu->type->box_ctl) + return 0; + return box->pmu->type->box_ctl + + box->pmu->type->msr_offset * box->pmu->pmu_idx; +} + +static inline +unsigned uncore_msr_fixed_ctl(struct intel_uncore_box *box) +{ + if (!box->pmu->type->fixed_ctl) + return 0; + return box->pmu->type->fixed_ctl + + box->pmu->type->msr_offset * box->pmu->pmu_idx; +} + +static inline +unsigned uncore_msr_fixed_ctr(struct intel_uncore_box *box) +{ + return box->pmu->type->fixed_ctr + + box->pmu->type->msr_offset * box->pmu->pmu_idx; +} + +static inline +unsigned uncore_msr_event_ctl(struct intel_uncore_box *box, int idx) +{ + return idx + box->pmu->type->event_ctl + + box->pmu->type->msr_offset * box->pmu->pmu_idx; +} + +static inline +unsigned uncore_msr_perf_ctr(struct intel_uncore_box *box, int idx) +{ + return idx + box->pmu->type->perf_ctr + + box->pmu->type->msr_offset * box->pmu->pmu_idx; +} + +static inline +unsigned uncore_fixed_ctl(struct intel_uncore_box *box) +{ + if (box->pci_dev) + return uncore_pci_fixed_ctl(box); + else + return uncore_msr_fixed_ctl(box); +} + +static inline +unsigned uncore_fixed_ctr(struct intel_uncore_box *box) +{ + if (box->pci_dev) + return uncore_pci_fixed_ctr(box); + else + return uncore_msr_fixed_ctr(box); +} + +static inline +unsigned uncore_event_ctl(struct intel_uncore_box *box, int idx) +{ + if (box->pci_dev) + return uncore_pci_event_ctl(box, idx); + else + return uncore_msr_event_ctl(box, idx); +} + +static inline +unsigned uncore_perf_ctr(struct intel_uncore_box *box, int idx) +{ + if (box->pci_dev) + return uncore_pci_perf_ctr(box, idx); + else + return uncore_msr_perf_ctr(box, idx); +} + +static inline int uncore_perf_ctr_bits(struct intel_uncore_box *box) +{ + return box->pmu->type->perf_ctr_bits; +} + +static inline int uncore_fixed_ctr_bits(struct intel_uncore_box *box) +{ + return box->pmu->type->fixed_ctr_bits; +} + +static inline int uncore_num_counters(struct intel_uncore_box *box) +{ + return box->pmu->type->num_counters; +} + +static inline void uncore_disable_box(struct intel_uncore_box *box) +{ + if (box->pmu->type->ops->disable_box) + box->pmu->type->ops->disable_box(box); +} + +static inline void uncore_enable_box(struct intel_uncore_box *box) +{ + if (box->pmu->type->ops->enable_box) + box->pmu->type->ops->enable_box(box); +} + +static inline void uncore_disable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + box->pmu->type->ops->disable_event(box, event); +} + +static inline void uncore_enable_event(struct intel_uncore_box *box, + struct perf_event *event) +{ + box->pmu->type->ops->enable_event(box, event); +} + +static inline u64 uncore_read_counter(struct intel_uncore_box *box, + struct perf_event *event) +{ + return box->pmu->type->ops->read_counter(box, event); +} + +static inline void uncore_box_init(struct intel_uncore_box *box) +{ + if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) { + if (box->pmu->type->ops->init_box) + box->pmu->type->ops->init_box(box); + } +} diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c index 47124a73dd73..92c7e39a079f 100644 --- a/arch/x86/kernel/cpu/perf_event_p4.c +++ b/arch/x86/kernel/cpu/perf_event_p4.c @@ -895,8 +895,8 @@ static void p4_pmu_disable_pebs(void) * So at moment let leave metrics turned on forever -- it's * ok for now but need to be revisited! * - * (void)checking_wrmsrl(MSR_IA32_PEBS_ENABLE, (u64)0); - * (void)checking_wrmsrl(MSR_P4_PEBS_MATRIX_VERT, (u64)0); + * (void)wrmsrl_safe(MSR_IA32_PEBS_ENABLE, (u64)0); + * (void)wrmsrl_safe(MSR_P4_PEBS_MATRIX_VERT, (u64)0); */ } @@ -909,7 +909,7 @@ static inline void p4_pmu_disable_event(struct perf_event *event) * state we need to clear P4_CCCR_OVF, otherwise interrupt get * asserted again and again */ - (void)checking_wrmsrl(hwc->config_base, + (void)wrmsrl_safe(hwc->config_base, (u64)(p4_config_unpack_cccr(hwc->config)) & ~P4_CCCR_ENABLE & ~P4_CCCR_OVF & ~P4_CCCR_RESERVED); } @@ -943,8 +943,8 @@ static void p4_pmu_enable_pebs(u64 config) bind = &p4_pebs_bind_map[idx]; - (void)checking_wrmsrl(MSR_IA32_PEBS_ENABLE, (u64)bind->metric_pebs); - (void)checking_wrmsrl(MSR_P4_PEBS_MATRIX_VERT, (u64)bind->metric_vert); + (void)wrmsrl_safe(MSR_IA32_PEBS_ENABLE, (u64)bind->metric_pebs); + (void)wrmsrl_safe(MSR_P4_PEBS_MATRIX_VERT, (u64)bind->metric_vert); } static void p4_pmu_enable_event(struct perf_event *event) @@ -978,8 +978,8 @@ static void p4_pmu_enable_event(struct perf_event *event) */ p4_pmu_enable_pebs(hwc->config); - (void)checking_wrmsrl(escr_addr, escr_conf); - (void)checking_wrmsrl(hwc->config_base, + (void)wrmsrl_safe(escr_addr, escr_conf); + (void)wrmsrl_safe(hwc->config_base, (cccr & ~P4_CCCR_RESERVED) | P4_CCCR_ENABLE); } @@ -1325,7 +1325,7 @@ __init int p4_pmu_init(void) unsigned int low, high; /* If we get stripped -- indexing fails */ - BUILD_BUG_ON(ARCH_P4_MAX_CCCR > X86_PMC_MAX_GENERIC); + BUILD_BUG_ON(ARCH_P4_MAX_CCCR > INTEL_PMC_MAX_GENERIC); rdmsr(MSR_IA32_MISC_ENABLE, low, high); if (!(low & (1 << 7))) { diff --git a/arch/x86/kernel/cpu/perf_event_p6.c b/arch/x86/kernel/cpu/perf_event_p6.c index 32bcfc7dd230..e4dd0f7a0453 100644 --- a/arch/x86/kernel/cpu/perf_event_p6.c +++ b/arch/x86/kernel/cpu/perf_event_p6.c @@ -71,7 +71,7 @@ p6_pmu_disable_event(struct perf_event *event) if (cpuc->enabled) val |= ARCH_PERFMON_EVENTSEL_ENABLE; - (void)checking_wrmsrl(hwc->config_base, val); + (void)wrmsrl_safe(hwc->config_base, val); } static void p6_pmu_enable_event(struct perf_event *event) @@ -84,7 +84,7 @@ static void p6_pmu_enable_event(struct perf_event *event) if (cpuc->enabled) val |= ARCH_PERFMON_EVENTSEL_ENABLE; - (void)checking_wrmsrl(hwc->config_base, val); + (void)wrmsrl_safe(hwc->config_base, val); } PMU_FORMAT_ATTR(event, "config:0-7" ); diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c index fbdfc6917180..1649cf899ad6 100644 --- a/arch/x86/kernel/microcode_core.c +++ b/arch/x86/kernel/microcode_core.c @@ -87,6 +87,7 @@ #include <asm/microcode.h> #include <asm/processor.h> #include <asm/cpu_device_id.h> +#include <asm/perf_event.h> MODULE_DESCRIPTION("Microcode Update Driver"); MODULE_AUTHOR("Tigran Aivazian <tigran@aivazian.fsnet.co.uk>"); @@ -277,7 +278,6 @@ static int reload_for_cpu(int cpu) struct ucode_cpu_info *uci = ucode_cpu_info + cpu; int err = 0; - mutex_lock(µcode_mutex); if (uci->valid) { enum ucode_state ustate; @@ -288,7 +288,6 @@ static int reload_for_cpu(int cpu) if (ustate == UCODE_ERROR) err = -EINVAL; } - mutex_unlock(µcode_mutex); return err; } @@ -298,19 +297,31 @@ static ssize_t reload_store(struct device *dev, const char *buf, size_t size) { unsigned long val; - int cpu = dev->id; - ssize_t ret = 0; + int cpu; + ssize_t ret = 0, tmp_ret; ret = kstrtoul(buf, 0, &val); if (ret) return ret; - if (val == 1) { - get_online_cpus(); - if (cpu_online(cpu)) - ret = reload_for_cpu(cpu); - put_online_cpus(); + if (val != 1) + return size; + + get_online_cpus(); + mutex_lock(µcode_mutex); + for_each_online_cpu(cpu) { + tmp_ret = reload_for_cpu(cpu); + if (tmp_ret != 0) + pr_warn("Error reloading microcode on CPU %d\n", cpu); + + /* save retval of the first encountered reload error */ + if (!ret) + ret = tmp_ret; } + if (!ret) + perf_check_microcode(); + mutex_unlock(µcode_mutex); + put_online_cpus(); if (!ret) ret = size; @@ -339,7 +350,6 @@ static DEVICE_ATTR(version, 0400, version_show, NULL); static DEVICE_ATTR(processor_flags, 0400, pf_show, NULL); static struct attribute *mc_default_attrs[] = { - &dev_attr_reload.attr, &dev_attr_version.attr, &dev_attr_processor_flags.attr, NULL @@ -516,6 +526,16 @@ static const struct x86_cpu_id microcode_id[] = { MODULE_DEVICE_TABLE(x86cpu, microcode_id); #endif +static struct attribute *cpu_root_microcode_attrs[] = { + &dev_attr_reload.attr, + NULL +}; + +static struct attribute_group cpu_root_microcode_group = { + .name = "microcode", + .attrs = cpu_root_microcode_attrs, +}; + static int __init microcode_init(void) { struct cpuinfo_x86 *c = &cpu_data(0); @@ -540,16 +560,25 @@ static int __init microcode_init(void) mutex_lock(µcode_mutex); error = subsys_interface_register(&mc_cpu_interface); - + if (!error) + perf_check_microcode(); mutex_unlock(µcode_mutex); put_online_cpus(); if (error) goto out_pdev; + error = sysfs_create_group(&cpu_subsys.dev_root->kobj, + &cpu_root_microcode_group); + + if (error) { + pr_err("Error creating microcode group!\n"); + goto out_driver; + } + error = microcode_dev_init(); if (error) - goto out_driver; + goto out_ucode_group; register_syscore_ops(&mc_syscore_ops); register_hotcpu_notifier(&mc_cpu_notifier); @@ -559,7 +588,11 @@ static int __init microcode_init(void) return 0; -out_driver: + out_ucode_group: + sysfs_remove_group(&cpu_subsys.dev_root->kobj, + &cpu_root_microcode_group); + + out_driver: get_online_cpus(); mutex_lock(µcode_mutex); @@ -568,7 +601,7 @@ out_driver: mutex_unlock(µcode_mutex); put_online_cpus(); -out_pdev: + out_pdev: platform_device_unregister(microcode_pdev); return error; @@ -584,6 +617,9 @@ static void __exit microcode_exit(void) unregister_hotcpu_notifier(&mc_cpu_notifier); unregister_syscore_ops(&mc_syscore_ops); + sysfs_remove_group(&cpu_subsys.dev_root->kobj, + &cpu_root_microcode_group); + get_online_cpus(); mutex_lock(µcode_mutex); diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 9ce885996fd7..17fff18a1031 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -352,9 +352,7 @@ struct pv_cpu_ops pv_cpu_ops = { #endif .wbinvd = native_wbinvd, .read_msr = native_read_msr_safe, - .rdmsr_regs = native_rdmsr_safe_regs, .write_msr = native_write_msr_safe, - .wrmsr_regs = native_wrmsr_safe_regs, .read_tsc = native_read_tsc, .read_pmc = native_read_pmc, .read_tscp = native_read_tscp, diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 61cdf7fdf099..3e215ba68766 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -466,7 +466,7 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr) task->thread.gs = addr; if (doit) { load_gs_index(0); - ret = checking_wrmsrl(MSR_KERNEL_GS_BASE, addr); + ret = wrmsrl_safe(MSR_KERNEL_GS_BASE, addr); } } put_cpu(); @@ -494,7 +494,7 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr) /* set the selector to 0 to not confuse __switch_to */ loadsegment(fs, 0); - ret = checking_wrmsrl(MSR_FS_BASE, addr); + ret = wrmsrl_safe(MSR_FS_BASE, addr); } } put_cpu(); diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c index dc4e910a7d96..36fd42091fa7 100644 --- a/arch/x86/kernel/uprobes.c +++ b/arch/x86/kernel/uprobes.c @@ -409,9 +409,10 @@ static int validate_insn_bits(struct arch_uprobe *auprobe, struct mm_struct *mm, * arch_uprobe_analyze_insn - instruction analysis including validity and fixups. * @mm: the probed address space. * @arch_uprobe: the probepoint information. + * @addr: virtual address at which to install the probepoint * Return 0 on success or a -ve number on error. */ -int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm) +int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, unsigned long addr) { int ret; struct insn insn; diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c index 2e88438ffd83..9b7ec1150ab0 100644 --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -80,10 +80,10 @@ static inline struct kvm_pmc *get_fixed_pmc_idx(struct kvm_pmu *pmu, int idx) static struct kvm_pmc *global_idx_to_pmc(struct kvm_pmu *pmu, int idx) { - if (idx < X86_PMC_IDX_FIXED) + if (idx < INTEL_PMC_IDX_FIXED) return get_gp_pmc(pmu, MSR_P6_EVNTSEL0 + idx, MSR_P6_EVNTSEL0); else - return get_fixed_pmc_idx(pmu, idx - X86_PMC_IDX_FIXED); + return get_fixed_pmc_idx(pmu, idx - INTEL_PMC_IDX_FIXED); } void kvm_deliver_pmi(struct kvm_vcpu *vcpu) @@ -291,7 +291,7 @@ static void reprogram_idx(struct kvm_pmu *pmu, int idx) if (pmc_is_gp(pmc)) reprogram_gp_counter(pmc, pmc->eventsel); else { - int fidx = idx - X86_PMC_IDX_FIXED; + int fidx = idx - INTEL_PMC_IDX_FIXED; reprogram_fixed_counter(pmc, fixed_en_pmi(pmu->fixed_ctr_ctrl, fidx), fidx); } @@ -452,7 +452,7 @@ void kvm_pmu_cpuid_update(struct kvm_vcpu *vcpu) return; pmu->nr_arch_gp_counters = min((int)(entry->eax >> 8) & 0xff, - X86_PMC_MAX_GENERIC); + INTEL_PMC_MAX_GENERIC); pmu->counter_bitmask[KVM_PMC_GP] = ((u64)1 << ((entry->eax >> 16) & 0xff)) - 1; bitmap_len = (entry->eax >> 24) & 0xff; @@ -462,13 +462,13 @@ void kvm_pmu_cpuid_update(struct kvm_vcpu *vcpu) pmu->nr_arch_fixed_counters = 0; } else { pmu->nr_arch_fixed_counters = min((int)(entry->edx & 0x1f), - X86_PMC_MAX_FIXED); + INTEL_PMC_MAX_FIXED); pmu->counter_bitmask[KVM_PMC_FIXED] = ((u64)1 << ((entry->edx >> 5) & 0xff)) - 1; } pmu->global_ctrl = ((1 << pmu->nr_arch_gp_counters) - 1) | - (((1ull << pmu->nr_arch_fixed_counters) - 1) << X86_PMC_IDX_FIXED); + (((1ull << pmu->nr_arch_fixed_counters) - 1) << INTEL_PMC_IDX_FIXED); pmu->global_ctrl_mask = ~pmu->global_ctrl; } @@ -478,15 +478,15 @@ void kvm_pmu_init(struct kvm_vcpu *vcpu) struct kvm_pmu *pmu = &vcpu->arch.pmu; memset(pmu, 0, sizeof(*pmu)); - for (i = 0; i < X86_PMC_MAX_GENERIC; i++) { + for (i = 0; i < INTEL_PMC_MAX_GENERIC; i++) { pmu->gp_counters[i].type = KVM_PMC_GP; pmu->gp_counters[i].vcpu = vcpu; pmu->gp_counters[i].idx = i; } - for (i = 0; i < X86_PMC_MAX_FIXED; i++) { + for (i = 0; i < INTEL_PMC_MAX_FIXED; i++) { pmu->fixed_counters[i].type = KVM_PMC_FIXED; pmu->fixed_counters[i].vcpu = vcpu; - pmu->fixed_counters[i].idx = i + X86_PMC_IDX_FIXED; + pmu->fixed_counters[i].idx = i + INTEL_PMC_IDX_FIXED; } init_irq_work(&pmu->irq_work, trigger_pmi); kvm_pmu_cpuid_update(vcpu); @@ -498,13 +498,13 @@ void kvm_pmu_reset(struct kvm_vcpu *vcpu) int i; irq_work_sync(&pmu->irq_work); - for (i = 0; i < X86_PMC_MAX_GENERIC; i++) { + for (i = 0; i < INTEL_PMC_MAX_GENERIC; i++) { struct kvm_pmc *pmc = &pmu->gp_counters[i]; stop_counter(pmc); pmc->counter = pmc->eventsel = 0; } - for (i = 0; i < X86_PMC_MAX_FIXED; i++) + for (i = 0; i < INTEL_PMC_MAX_FIXED; i++) stop_counter(&pmu->fixed_counters[i]); pmu->fixed_ctr_ctrl = pmu->global_ctrl = pmu->global_status = diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 911d2641f14c..62d02e3c3ed6 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -710,16 +710,6 @@ TRACE_EVENT(kvm_skinit, __entry->rip, __entry->slb) ); -#define __print_insn(insn, ilen) ({ \ - int i; \ - const char *ret = p->buffer + p->len; \ - \ - for (i = 0; i < ilen; ++i) \ - trace_seq_printf(p, " %02x", insn[i]); \ - trace_seq_printf(p, "%c", 0); \ - ret; \ - }) - #define KVM_EMUL_INSN_F_CR0_PE (1 << 0) #define KVM_EMUL_INSN_F_EFL_VM (1 << 1) #define KVM_EMUL_INSN_F_CS_D (1 << 2) @@ -786,7 +776,7 @@ TRACE_EVENT(kvm_emulate_insn, TP_printk("%x:%llx:%s (%s)%s", __entry->csbase, __entry->rip, - __print_insn(__entry->insn, __entry->len), + __print_hex(__entry->insn, __entry->len), __print_symbolic(__entry->flags, kvm_trace_symbol_emul_flags), __entry->failed ? " failed" : "" diff --git a/arch/x86/lib/msr-reg-export.c b/arch/x86/lib/msr-reg-export.c index a311cc59b65d..8d6ef78b5d01 100644 --- a/arch/x86/lib/msr-reg-export.c +++ b/arch/x86/lib/msr-reg-export.c @@ -1,5 +1,5 @@ #include <linux/module.h> #include <asm/msr.h> -EXPORT_SYMBOL(native_rdmsr_safe_regs); -EXPORT_SYMBOL(native_wrmsr_safe_regs); +EXPORT_SYMBOL(rdmsr_safe_regs); +EXPORT_SYMBOL(wrmsr_safe_regs); diff --git a/arch/x86/lib/msr-reg.S b/arch/x86/lib/msr-reg.S index 69fa10623f21..f6d13eefad10 100644 --- a/arch/x86/lib/msr-reg.S +++ b/arch/x86/lib/msr-reg.S @@ -6,13 +6,13 @@ #ifdef CONFIG_X86_64 /* - * int native_{rdmsr,wrmsr}_safe_regs(u32 gprs[8]); + * int {rdmsr,wrmsr}_safe_regs(u32 gprs[8]); * * reg layout: u32 gprs[eax, ecx, edx, ebx, esp, ebp, esi, edi] * */ .macro op_safe_regs op -ENTRY(native_\op\()_safe_regs) +ENTRY(\op\()_safe_regs) CFI_STARTPROC pushq_cfi %rbx pushq_cfi %rbp @@ -45,13 +45,13 @@ ENTRY(native_\op\()_safe_regs) _ASM_EXTABLE(1b, 3b) CFI_ENDPROC -ENDPROC(native_\op\()_safe_regs) +ENDPROC(\op\()_safe_regs) .endm #else /* X86_32 */ .macro op_safe_regs op -ENTRY(native_\op\()_safe_regs) +ENTRY(\op\()_safe_regs) CFI_STARTPROC pushl_cfi %ebx pushl_cfi %ebp @@ -92,7 +92,7 @@ ENTRY(native_\op\()_safe_regs) _ASM_EXTABLE(1b, 3b) CFI_ENDPROC -ENDPROC(native_\op\()_safe_regs) +ENDPROC(\op\()_safe_regs) .endm #endif diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c index 303f08637826..b2b94438ff05 100644 --- a/arch/x86/oprofile/op_model_amd.c +++ b/arch/x86/oprofile/op_model_amd.c @@ -312,7 +312,7 @@ static int op_amd_fill_in_addresses(struct op_msrs * const msrs) goto fail; } /* both registers must be reserved */ - if (num_counters == AMD64_NUM_COUNTERS_F15H) { + if (num_counters == AMD64_NUM_COUNTERS_CORE) { msrs->counters[i].addr = MSR_F15H_PERF_CTR + (i << 1); msrs->controls[i].addr = MSR_F15H_PERF_CTL + (i << 1); } else { @@ -514,7 +514,7 @@ static int op_amd_init(struct oprofile_operations *ops) ops->create_files = setup_ibs_files; if (boot_cpu_data.x86 == 0x15) { - num_counters = AMD64_NUM_COUNTERS_F15H; + num_counters = AMD64_NUM_COUNTERS_CORE; } else { num_counters = AMD64_NUM_COUNTERS; } diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c index 66e6d9359826..0faad646f5fd 100644 --- a/arch/x86/vdso/vdso32-setup.c +++ b/arch/x86/vdso/vdso32-setup.c @@ -205,9 +205,9 @@ void syscall32_cpu_init(void) { /* Load these always in case some future AMD CPU supports SYSENTER from compat mode too. */ - checking_wrmsrl(MSR_IA32_SYSENTER_CS, (u64)__KERNEL_CS); - checking_wrmsrl(MSR_IA32_SYSENTER_ESP, 0ULL); - checking_wrmsrl(MSR_IA32_SYSENTER_EIP, (u64)ia32_sysenter_target); + wrmsrl_safe(MSR_IA32_SYSENTER_CS, (u64)__KERNEL_CS); + wrmsrl_safe(MSR_IA32_SYSENTER_ESP, 0ULL); + wrmsrl_safe(MSR_IA32_SYSENTER_EIP, (u64)ia32_sysenter_target); wrmsrl(MSR_CSTAR, ia32_cstar_target); } diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index ff962d4b821e..ed7d54985d0c 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1124,9 +1124,7 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { .wbinvd = native_wbinvd, .read_msr = native_read_msr_safe, - .rdmsr_regs = native_rdmsr_safe_regs, .write_msr = xen_write_msr_safe, - .wrmsr_regs = native_wrmsr_safe_regs, .read_tsc = native_read_tsc, .read_pmc = native_read_pmc, diff --git a/drivers/oprofile/oprofile_perf.c b/drivers/oprofile/oprofile_perf.c index efc4b7f308cf..f3cfa0b9adfa 100644 --- a/drivers/oprofile/oprofile_perf.c +++ b/drivers/oprofile/oprofile_perf.c @@ -1,5 +1,6 @@ /* * Copyright 2010 ARM Ltd. + * Copyright 2012 Advanced Micro Devices, Inc., Robert Richter * * Perf-events backend for OProfile. */ @@ -25,7 +26,7 @@ static int oprofile_perf_enabled; static DEFINE_MUTEX(oprofile_perf_mutex); static struct op_counter_config *counter_config; -static struct perf_event **perf_events[NR_CPUS]; +static DEFINE_PER_CPU(struct perf_event **, perf_events); static int num_counters; /* @@ -38,7 +39,7 @@ static void op_overflow_handler(struct perf_event *event, u32 cpu = smp_processor_id(); for (id = 0; id < num_counters; ++id) - if (perf_events[cpu][id] == event) + if (per_cpu(perf_events, cpu)[id] == event) break; if (id != num_counters) @@ -74,7 +75,7 @@ static int op_create_counter(int cpu, int event) { struct perf_event *pevent; - if (!counter_config[event].enabled || perf_events[cpu][event]) + if (!counter_config[event].enabled || per_cpu(perf_events, cpu)[event]) return 0; pevent = perf_event_create_kernel_counter(&counter_config[event].attr, @@ -91,18 +92,18 @@ static int op_create_counter(int cpu, int event) return -EBUSY; } - perf_events[cpu][event] = pevent; + per_cpu(perf_events, cpu)[event] = pevent; return 0; } static void op_destroy_counter(int cpu, int event) { - struct perf_event *pevent = perf_events[cpu][event]; + struct perf_event *pevent = per_cpu(perf_events, cpu)[event]; if (pevent) { perf_event_release_kernel(pevent); - perf_events[cpu][event] = NULL; + per_cpu(perf_events, cpu)[event] = NULL; } } @@ -257,12 +258,12 @@ void oprofile_perf_exit(void) for_each_possible_cpu(cpu) { for (id = 0; id < num_counters; ++id) { - event = perf_events[cpu][id]; + event = per_cpu(perf_events, cpu)[id]; if (event) perf_event_release_kernel(event); } - kfree(perf_events[cpu]); + kfree(per_cpu(perf_events, cpu)); } kfree(counter_config); @@ -277,8 +278,6 @@ int __init oprofile_perf_init(struct oprofile_operations *ops) if (ret) return ret; - memset(&perf_events, 0, sizeof(perf_events)); - num_counters = perf_num_counters(); if (num_counters <= 0) { pr_info("oprofile: no performance counters\n"); @@ -298,9 +297,9 @@ int __init oprofile_perf_init(struct oprofile_operations *ops) } for_each_possible_cpu(cpu) { - perf_events[cpu] = kcalloc(num_counters, + per_cpu(perf_events, cpu) = kcalloc(num_counters, sizeof(struct perf_event *), GFP_KERNEL); - if (!perf_events[cpu]) { + if (!per_cpu(perf_events, cpu)) { pr_info("oprofile: failed to allocate %d perf events " "for cpu %d\n", num_counters, cpu); ret = -ENOMEM; diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 176a939d1547..af961d6f7ab1 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -65,7 +65,7 @@ struct trace_iterator { void *private; int cpu_file; struct mutex mutex; - struct ring_buffer_iter *buffer_iter[NR_CPUS]; + struct ring_buffer_iter **buffer_iter; unsigned long iter_flags; /* trace_seq for __print_flags() and __print_symbolic() etc. */ @@ -207,6 +207,9 @@ struct ftrace_event_call { * bit 1: enabled * bit 2: filter_active * bit 3: enabled cmd record + * bit 4: allow trace by non root (cap any) + * bit 5: failed to apply filter + * bit 6: ftrace internal event (do not enable) * * Changes to flags must hold the event_mutex. * diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index c513a40510f5..0976fc46d1e0 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -42,8 +42,7 @@ * allowed. * * Not initializing the key (static data is initialized to 0s anyway) is the - * same as using STATIC_KEY_INIT_FALSE and static_key_false() is - * equivalent with static_branch(). + * same as using STATIC_KEY_INIT_FALSE. * */ @@ -107,12 +106,6 @@ static __always_inline bool static_key_true(struct static_key *key) return !static_key_false(key); } -/* Deprecated. Please use 'static_key_false() instead. */ -static __always_inline bool static_branch(struct static_key *key) -{ - return arch_static_branch(key); -} - extern struct jump_entry __start___jump_table[]; extern struct jump_entry __stop___jump_table[]; @@ -166,14 +159,6 @@ static __always_inline bool static_key_true(struct static_key *key) return false; } -/* Deprecated. Please use 'static_key_false() instead. */ -static __always_inline bool static_branch(struct static_key *key) -{ - if (unlikely(atomic_read(&key->enabled)) > 0) - return true; - return false; -} - static inline void static_key_slow_inc(struct static_key *key) { atomic_inc(&key->enabled); diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index ab741b0d0074..5f187026b812 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2755,6 +2755,17 @@ #define PCI_DEVICE_ID_INTEL_IOAT_SNB7 0x3c27 #define PCI_DEVICE_ID_INTEL_IOAT_SNB8 0x3c2e #define PCI_DEVICE_ID_INTEL_IOAT_SNB9 0x3c2f +#define PCI_DEVICE_ID_INTEL_UNC_HA 0x3c46 +#define PCI_DEVICE_ID_INTEL_UNC_IMC0 0x3cb0 +#define PCI_DEVICE_ID_INTEL_UNC_IMC1 0x3cb1 +#define PCI_DEVICE_ID_INTEL_UNC_IMC2 0x3cb4 +#define PCI_DEVICE_ID_INTEL_UNC_IMC3 0x3cb5 +#define PCI_DEVICE_ID_INTEL_UNC_QPI0 0x3c41 +#define PCI_DEVICE_ID_INTEL_UNC_QPI1 0x3c42 +#define PCI_DEVICE_ID_INTEL_UNC_R2PCIE 0x3c43 +#define PCI_DEVICE_ID_INTEL_UNC_R3QPI0 0x3c44 +#define PCI_DEVICE_ID_INTEL_UNC_R3QPI1 0x3c45 +#define PCI_DEVICE_ID_INTEL_JAKETOWN_UBOX 0x3ce0 #define PCI_DEVICE_ID_INTEL_IOAT_SNB 0x402f #define PCI_DEVICE_ID_INTEL_5100_16 0x65f0 #define PCI_DEVICE_ID_INTEL_5100_21 0x65f5 diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 45db49f64bb4..76c5c8b724a7 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -677,6 +677,7 @@ struct hw_perf_event { u64 last_tag; unsigned long config_base; unsigned long event_base; + int event_base_rdpmc; int idx; int last_cpu; @@ -1106,6 +1107,8 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, struct task_struct *task, perf_overflow_handler_t callback, void *context); +extern void perf_pmu_migrate_context(struct pmu *pmu, + int src_cpu, int dst_cpu); extern u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running); diff --git a/include/linux/sched.h b/include/linux/sched.h index 4a1f493e0fef..64d9df5c3a49 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1581,7 +1581,6 @@ struct task_struct { #endif #ifdef CONFIG_UPROBES struct uprobe_task *utask; - int uprobe_srcu_id; #endif }; diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index bd96ecd0e05c..802de56c41e8 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -153,7 +153,7 @@ static inline void tracepoint_synchronize_unregister(void) } \ static inline void trace_##name##_rcuidle(proto) \ { \ - if (static_branch(&__tracepoint_##name.key)) \ + if (static_key_false(&__tracepoint_##name.key)) \ __DO_TRACE(&__tracepoint_##name, \ TP_PROTO(data_proto), \ TP_ARGS(data_args), \ diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 769724944fc6..c6bc2faaf261 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -571,6 +571,7 @@ static inline void ftrace_test_probe_##call(void) \ #undef __print_flags #undef __print_symbolic +#undef __print_hex #undef __get_dynamic_array #undef __get_str diff --git a/kernel/events/core.c b/kernel/events/core.c index d7d71d6ec972..f1cf0edeb39a 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1645,6 +1645,8 @@ perf_install_in_context(struct perf_event_context *ctx, lockdep_assert_held(&ctx->mutex); event->ctx = ctx; + if (event->cpu != -1) + event->cpu = cpu; if (!task) { /* @@ -6252,6 +6254,8 @@ SYSCALL_DEFINE5(perf_event_open, } } + get_online_cpus(); + event = perf_event_alloc(&attr, cpu, task, group_leader, NULL, NULL, NULL); if (IS_ERR(event)) { @@ -6304,7 +6308,7 @@ SYSCALL_DEFINE5(perf_event_open, /* * Get the target context (task or percpu): */ - ctx = find_get_context(pmu, task, cpu); + ctx = find_get_context(pmu, task, event->cpu); if (IS_ERR(ctx)) { err = PTR_ERR(ctx); goto err_alloc; @@ -6377,20 +6381,23 @@ SYSCALL_DEFINE5(perf_event_open, mutex_lock(&ctx->mutex); if (move_group) { - perf_install_in_context(ctx, group_leader, cpu); + synchronize_rcu(); + perf_install_in_context(ctx, group_leader, event->cpu); get_ctx(ctx); list_for_each_entry(sibling, &group_leader->sibling_list, group_entry) { - perf_install_in_context(ctx, sibling, cpu); + perf_install_in_context(ctx, sibling, event->cpu); get_ctx(ctx); } } - perf_install_in_context(ctx, event, cpu); + perf_install_in_context(ctx, event, event->cpu); ++ctx->generation; perf_unpin_context(ctx); mutex_unlock(&ctx->mutex); + put_online_cpus(); + event->owner = current; mutex_lock(¤t->perf_event_mutex); @@ -6419,6 +6426,7 @@ err_context: err_alloc: free_event(event); err_task: + put_online_cpus(); if (task) put_task_struct(task); err_group_fd: @@ -6479,6 +6487,39 @@ err: } EXPORT_SYMBOL_GPL(perf_event_create_kernel_counter); +void perf_pmu_migrate_context(struct pmu *pmu, int src_cpu, int dst_cpu) +{ + struct perf_event_context *src_ctx; + struct perf_event_context *dst_ctx; + struct perf_event *event, *tmp; + LIST_HEAD(events); + + src_ctx = &per_cpu_ptr(pmu->pmu_cpu_context, src_cpu)->ctx; + dst_ctx = &per_cpu_ptr(pmu->pmu_cpu_context, dst_cpu)->ctx; + + mutex_lock(&src_ctx->mutex); + list_for_each_entry_safe(event, tmp, &src_ctx->event_list, + event_entry) { + perf_remove_from_context(event); + put_ctx(src_ctx); + list_add(&event->event_entry, &events); + } + mutex_unlock(&src_ctx->mutex); + + synchronize_rcu(); + + mutex_lock(&dst_ctx->mutex); + list_for_each_entry_safe(event, tmp, &events, event_entry) { + list_del(&event->event_entry); + if (event->state >= PERF_EVENT_STATE_OFF) + event->state = PERF_EVENT_STATE_INACTIVE; + perf_install_in_context(dst_ctx, event, dst_cpu); + get_ctx(dst_ctx); + } + mutex_unlock(&dst_ctx->mutex); +} +EXPORT_SYMBOL_GPL(perf_pmu_migrate_context); + static void sync_child_event(struct perf_event *child_event, struct task_struct *child) { diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 985be4d80fe8..f93532748bca 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -38,13 +38,29 @@ #define UINSNS_PER_PAGE (PAGE_SIZE/UPROBE_XOL_SLOT_BYTES) #define MAX_UPROBE_XOL_SLOTS UINSNS_PER_PAGE -static struct srcu_struct uprobes_srcu; static struct rb_root uprobes_tree = RB_ROOT; static DEFINE_SPINLOCK(uprobes_treelock); /* serialize rbtree access */ #define UPROBES_HASH_SZ 13 +/* + * We need separate register/unregister and mmap/munmap lock hashes because + * of mmap_sem nesting. + * + * uprobe_register() needs to install probes on (potentially) all processes + * and thus needs to acquire multiple mmap_sems (consequtively, not + * concurrently), whereas uprobe_mmap() is called while holding mmap_sem + * for the particular process doing the mmap. + * + * uprobe_register()->register_for_each_vma() needs to drop/acquire mmap_sem + * because of lock order against i_mmap_mutex. This means there's a hole in + * the register vma iteration where a mmap() can happen. + * + * Thus uprobe_register() can race with uprobe_mmap() and we can try and + * install a probe where one is already installed. + */ + /* serialize (un)register */ static struct mutex uprobes_mutex[UPROBES_HASH_SZ]; @@ -61,17 +77,6 @@ static struct mutex uprobes_mmap_mutex[UPROBES_HASH_SZ]; */ static atomic_t uprobe_events = ATOMIC_INIT(0); -/* - * Maintain a temporary per vma info that can be used to search if a vma - * has already been handled. This structure is introduced since extending - * vm_area_struct wasnt recommended. - */ -struct vma_info { - struct list_head probe_list; - struct mm_struct *mm; - loff_t vaddr; -}; - struct uprobe { struct rb_node rb_node; /* node in the rb tree */ atomic_t ref; @@ -100,7 +105,8 @@ static bool valid_vma(struct vm_area_struct *vma, bool is_register) if (!is_register) return true; - if ((vma->vm_flags & (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)) == (VM_READ|VM_EXEC)) + if ((vma->vm_flags & (VM_HUGETLB|VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)) + == (VM_READ|VM_EXEC)) return true; return false; @@ -129,33 +135,17 @@ static loff_t vma_address(struct vm_area_struct *vma, loff_t offset) static int __replace_page(struct vm_area_struct *vma, struct page *page, struct page *kpage) { struct mm_struct *mm = vma->vm_mm; - pgd_t *pgd; - pud_t *pud; - pmd_t *pmd; - pte_t *ptep; - spinlock_t *ptl; unsigned long addr; - int err = -EFAULT; + spinlock_t *ptl; + pte_t *ptep; addr = page_address_in_vma(page, vma); if (addr == -EFAULT) - goto out; - - pgd = pgd_offset(mm, addr); - if (!pgd_present(*pgd)) - goto out; - - pud = pud_offset(pgd, addr); - if (!pud_present(*pud)) - goto out; - - pmd = pmd_offset(pud, addr); - if (!pmd_present(*pmd)) - goto out; + return -EFAULT; - ptep = pte_offset_map_lock(mm, pmd, addr, &ptl); + ptep = page_check_address(page, mm, addr, &ptl, 0); if (!ptep) - goto out; + return -EAGAIN; get_page(kpage); page_add_new_anon_rmap(kpage, vma, addr); @@ -174,10 +164,8 @@ static int __replace_page(struct vm_area_struct *vma, struct page *page, struct try_to_free_swap(page); put_page(page); pte_unmap_unlock(ptep, ptl); - err = 0; -out: - return err; + return 0; } /** @@ -222,9 +210,8 @@ static int write_opcode(struct arch_uprobe *auprobe, struct mm_struct *mm, void *vaddr_old, *vaddr_new; struct vm_area_struct *vma; struct uprobe *uprobe; - loff_t addr; int ret; - +retry: /* Read the page with vaddr into memory */ ret = get_user_pages(NULL, mm, vaddr, 1, 0, 0, &old_page, &vma); if (ret <= 0) @@ -246,10 +233,6 @@ static int write_opcode(struct arch_uprobe *auprobe, struct mm_struct *mm, if (mapping != vma->vm_file->f_mapping) goto put_out; - addr = vma_address(vma, uprobe->offset); - if (vaddr != (unsigned long)addr) - goto put_out; - ret = -ENOMEM; new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vaddr); if (!new_page) @@ -267,11 +250,7 @@ static int write_opcode(struct arch_uprobe *auprobe, struct mm_struct *mm, vaddr_new = kmap_atomic(new_page); memcpy(vaddr_new, vaddr_old, PAGE_SIZE); - - /* poke the new insn in, ASSUMES we don't cross page boundary */ - vaddr &= ~PAGE_MASK; - BUG_ON(vaddr + UPROBE_SWBP_INSN_SIZE > PAGE_SIZE); - memcpy(vaddr_new + vaddr, &opcode, UPROBE_SWBP_INSN_SIZE); + memcpy(vaddr_new + (vaddr & ~PAGE_MASK), &opcode, UPROBE_SWBP_INSN_SIZE); kunmap_atomic(vaddr_new); kunmap_atomic(vaddr_old); @@ -291,6 +270,8 @@ unlock_out: put_out: put_page(old_page); + if (unlikely(ret == -EAGAIN)) + goto retry; return ret; } @@ -312,7 +293,7 @@ static int read_opcode(struct mm_struct *mm, unsigned long vaddr, uprobe_opcode_ void *vaddr_new; int ret; - ret = get_user_pages(NULL, mm, vaddr, 1, 0, 0, &page, NULL); + ret = get_user_pages(NULL, mm, vaddr, 1, 0, 1, &page, NULL); if (ret <= 0) return ret; @@ -333,10 +314,20 @@ static int is_swbp_at_addr(struct mm_struct *mm, unsigned long vaddr) uprobe_opcode_t opcode; int result; + if (current->mm == mm) { + pagefault_disable(); + result = __copy_from_user_inatomic(&opcode, (void __user*)vaddr, + sizeof(opcode)); + pagefault_enable(); + + if (likely(result == 0)) + goto out; + } + result = read_opcode(mm, vaddr, &opcode); if (result) return result; - +out: if (is_swbp_insn(&opcode)) return 1; @@ -355,7 +346,9 @@ static int is_swbp_at_addr(struct mm_struct *mm, unsigned long vaddr) int __weak set_swbp(struct arch_uprobe *auprobe, struct mm_struct *mm, unsigned long vaddr) { int result; - + /* + * See the comment near uprobes_hash(). + */ result = is_swbp_at_addr(mm, vaddr); if (result == 1) return -EEXIST; @@ -520,7 +513,6 @@ static struct uprobe *alloc_uprobe(struct inode *inode, loff_t offset) uprobe->inode = igrab(inode); uprobe->offset = offset; init_rwsem(&uprobe->consumer_rwsem); - INIT_LIST_HEAD(&uprobe->pending_list); /* add to uprobes_tree, sorted on inode:offset */ cur_uprobe = insert_uprobe(uprobe); @@ -588,20 +580,22 @@ static bool consumer_del(struct uprobe *uprobe, struct uprobe_consumer *uc) } static int -__copy_insn(struct address_space *mapping, struct vm_area_struct *vma, char *insn, - unsigned long nbytes, unsigned long offset) +__copy_insn(struct address_space *mapping, struct file *filp, char *insn, + unsigned long nbytes, loff_t offset) { - struct file *filp = vma->vm_file; struct page *page; void *vaddr; - unsigned long off1; - unsigned long idx; + unsigned long off; + pgoff_t idx; if (!filp) return -EINVAL; - idx = (unsigned long)(offset >> PAGE_CACHE_SHIFT); - off1 = offset &= ~PAGE_MASK; + if (!mapping->a_ops->readpage) + return -EIO; + + idx = offset >> PAGE_CACHE_SHIFT; + off = offset & ~PAGE_MASK; /* * Ensure that the page that has the original instruction is @@ -612,22 +606,20 @@ __copy_insn(struct address_space *mapping, struct vm_area_struct *vma, char *ins return PTR_ERR(page); vaddr = kmap_atomic(page); - memcpy(insn, vaddr + off1, nbytes); + memcpy(insn, vaddr + off, nbytes); kunmap_atomic(vaddr); page_cache_release(page); return 0; } -static int -copy_insn(struct uprobe *uprobe, struct vm_area_struct *vma, unsigned long addr) +static int copy_insn(struct uprobe *uprobe, struct file *filp) { struct address_space *mapping; unsigned long nbytes; int bytes; - addr &= ~PAGE_MASK; - nbytes = PAGE_SIZE - addr; + nbytes = PAGE_SIZE - (uprobe->offset & ~PAGE_MASK); mapping = uprobe->inode->i_mapping; /* Instruction at end of binary; copy only available bytes */ @@ -638,13 +630,13 @@ copy_insn(struct uprobe *uprobe, struct vm_area_struct *vma, unsigned long addr) /* Instruction at the page-boundary; copy bytes in second page */ if (nbytes < bytes) { - if (__copy_insn(mapping, vma, uprobe->arch.insn + nbytes, - bytes - nbytes, uprobe->offset + nbytes)) - return -ENOMEM; - + int err = __copy_insn(mapping, filp, uprobe->arch.insn + nbytes, + bytes - nbytes, uprobe->offset + nbytes); + if (err) + return err; bytes = nbytes; } - return __copy_insn(mapping, vma, uprobe->arch.insn, bytes, uprobe->offset); + return __copy_insn(mapping, filp, uprobe->arch.insn, bytes, uprobe->offset); } /* @@ -672,9 +664,8 @@ copy_insn(struct uprobe *uprobe, struct vm_area_struct *vma, unsigned long addr) */ static int install_breakpoint(struct uprobe *uprobe, struct mm_struct *mm, - struct vm_area_struct *vma, loff_t vaddr) + struct vm_area_struct *vma, unsigned long vaddr) { - unsigned long addr; int ret; /* @@ -687,20 +678,22 @@ install_breakpoint(struct uprobe *uprobe, struct mm_struct *mm, if (!uprobe->consumers) return -EEXIST; - addr = (unsigned long)vaddr; - if (!(uprobe->flags & UPROBE_COPY_INSN)) { - ret = copy_insn(uprobe, vma, addr); + ret = copy_insn(uprobe, vma->vm_file); if (ret) return ret; if (is_swbp_insn((uprobe_opcode_t *)uprobe->arch.insn)) - return -EEXIST; + return -ENOTSUPP; - ret = arch_uprobe_analyze_insn(&uprobe->arch, mm); + ret = arch_uprobe_analyze_insn(&uprobe->arch, mm, vaddr); if (ret) return ret; + /* write_opcode() assumes we don't cross page boundary */ + BUG_ON((uprobe->offset & ~PAGE_MASK) + + UPROBE_SWBP_INSN_SIZE > PAGE_SIZE); + uprobe->flags |= UPROBE_COPY_INSN; } @@ -713,7 +706,7 @@ install_breakpoint(struct uprobe *uprobe, struct mm_struct *mm, * Hence increment before and decrement on failure. */ atomic_inc(&mm->uprobes_state.count); - ret = set_swbp(&uprobe->arch, mm, addr); + ret = set_swbp(&uprobe->arch, mm, vaddr); if (ret) atomic_dec(&mm->uprobes_state.count); @@ -721,27 +714,21 @@ install_breakpoint(struct uprobe *uprobe, struct mm_struct *mm, } static void -remove_breakpoint(struct uprobe *uprobe, struct mm_struct *mm, loff_t vaddr) +remove_breakpoint(struct uprobe *uprobe, struct mm_struct *mm, unsigned long vaddr) { - if (!set_orig_insn(&uprobe->arch, mm, (unsigned long)vaddr, true)) + if (!set_orig_insn(&uprobe->arch, mm, vaddr, true)) atomic_dec(&mm->uprobes_state.count); } /* - * There could be threads that have hit the breakpoint and are entering the - * notifier code and trying to acquire the uprobes_treelock. The thread - * calling delete_uprobe() that is removing the uprobe from the rb_tree can - * race with these threads and might acquire the uprobes_treelock compared - * to some of the breakpoint hit threads. In such a case, the breakpoint - * hit threads will not find the uprobe. The current unregistering thread - * waits till all other threads have hit a breakpoint, to acquire the - * uprobes_treelock before the uprobe is removed from the rbtree. + * There could be threads that have already hit the breakpoint. They + * will recheck the current insn and restart if find_uprobe() fails. + * See find_active_uprobe(). */ static void delete_uprobe(struct uprobe *uprobe) { unsigned long flags; - synchronize_srcu(&uprobes_srcu); spin_lock_irqsave(&uprobes_treelock, flags); rb_erase(&uprobe->rb_node, &uprobes_tree); spin_unlock_irqrestore(&uprobes_treelock, flags); @@ -750,139 +737,135 @@ static void delete_uprobe(struct uprobe *uprobe) atomic_dec(&uprobe_events); } -static struct vma_info * -__find_next_vma_info(struct address_space *mapping, struct list_head *head, - struct vma_info *vi, loff_t offset, bool is_register) +struct map_info { + struct map_info *next; + struct mm_struct *mm; + unsigned long vaddr; +}; + +static inline struct map_info *free_map_info(struct map_info *info) +{ + struct map_info *next = info->next; + kfree(info); + return next; +} + +static struct map_info * +build_map_info(struct address_space *mapping, loff_t offset, bool is_register) { + unsigned long pgoff = offset >> PAGE_SHIFT; struct prio_tree_iter iter; struct vm_area_struct *vma; - struct vma_info *tmpvi; - unsigned long pgoff; - int existing_vma; - loff_t vaddr; - - pgoff = offset >> PAGE_SHIFT; + struct map_info *curr = NULL; + struct map_info *prev = NULL; + struct map_info *info; + int more = 0; + again: + mutex_lock(&mapping->i_mmap_mutex); vma_prio_tree_foreach(vma, &iter, &mapping->i_mmap, pgoff, pgoff) { if (!valid_vma(vma, is_register)) continue; - existing_vma = 0; - vaddr = vma_address(vma, offset); - - list_for_each_entry(tmpvi, head, probe_list) { - if (tmpvi->mm == vma->vm_mm && tmpvi->vaddr == vaddr) { - existing_vma = 1; - break; - } + if (!prev && !more) { + /* + * Needs GFP_NOWAIT to avoid i_mmap_mutex recursion through + * reclaim. This is optimistic, no harm done if it fails. + */ + prev = kmalloc(sizeof(struct map_info), + GFP_NOWAIT | __GFP_NOMEMALLOC | __GFP_NOWARN); + if (prev) + prev->next = NULL; } - - /* - * Another vma needs a probe to be installed. However skip - * installing the probe if the vma is about to be unlinked. - */ - if (!existing_vma && atomic_inc_not_zero(&vma->vm_mm->mm_users)) { - vi->mm = vma->vm_mm; - vi->vaddr = vaddr; - list_add(&vi->probe_list, head); - - return vi; + if (!prev) { + more++; + continue; } - } - return NULL; -} - -/* - * Iterate in the rmap prio tree and find a vma where a probe has not - * yet been inserted. - */ -static struct vma_info * -find_next_vma_info(struct address_space *mapping, struct list_head *head, - loff_t offset, bool is_register) -{ - struct vma_info *vi, *retvi; + if (!atomic_inc_not_zero(&vma->vm_mm->mm_users)) + continue; - vi = kzalloc(sizeof(struct vma_info), GFP_KERNEL); - if (!vi) - return ERR_PTR(-ENOMEM); + info = prev; + prev = prev->next; + info->next = curr; + curr = info; - mutex_lock(&mapping->i_mmap_mutex); - retvi = __find_next_vma_info(mapping, head, vi, offset, is_register); + info->mm = vma->vm_mm; + info->vaddr = vma_address(vma, offset); + } mutex_unlock(&mapping->i_mmap_mutex); - if (!retvi) - kfree(vi); + if (!more) + goto out; + + prev = curr; + while (curr) { + mmput(curr->mm); + curr = curr->next; + } - return retvi; + do { + info = kmalloc(sizeof(struct map_info), GFP_KERNEL); + if (!info) { + curr = ERR_PTR(-ENOMEM); + goto out; + } + info->next = prev; + prev = info; + } while (--more); + + goto again; + out: + while (prev) + prev = free_map_info(prev); + return curr; } static int register_for_each_vma(struct uprobe *uprobe, bool is_register) { - struct list_head try_list; - struct vm_area_struct *vma; - struct address_space *mapping; - struct vma_info *vi, *tmpvi; - struct mm_struct *mm; - loff_t vaddr; - int ret; + struct map_info *info; + int err = 0; - mapping = uprobe->inode->i_mapping; - INIT_LIST_HEAD(&try_list); + info = build_map_info(uprobe->inode->i_mapping, + uprobe->offset, is_register); + if (IS_ERR(info)) + return PTR_ERR(info); - ret = 0; + while (info) { + struct mm_struct *mm = info->mm; + struct vm_area_struct *vma; - for (;;) { - vi = find_next_vma_info(mapping, &try_list, uprobe->offset, is_register); - if (!vi) - break; + if (err) + goto free; - if (IS_ERR(vi)) { - ret = PTR_ERR(vi); - break; - } + down_write(&mm->mmap_sem); + vma = find_vma(mm, (unsigned long)info->vaddr); + if (!vma || !valid_vma(vma, is_register)) + goto unlock; - mm = vi->mm; - down_read(&mm->mmap_sem); - vma = find_vma(mm, (unsigned long)vi->vaddr); - if (!vma || !valid_vma(vma, is_register)) { - list_del(&vi->probe_list); - kfree(vi); - up_read(&mm->mmap_sem); - mmput(mm); - continue; - } - vaddr = vma_address(vma, uprobe->offset); if (vma->vm_file->f_mapping->host != uprobe->inode || - vaddr != vi->vaddr) { - list_del(&vi->probe_list); - kfree(vi); - up_read(&mm->mmap_sem); - mmput(mm); - continue; - } - - if (is_register) - ret = install_breakpoint(uprobe, mm, vma, vi->vaddr); - else - remove_breakpoint(uprobe, mm, vi->vaddr); + vma_address(vma, uprobe->offset) != info->vaddr) + goto unlock; - up_read(&mm->mmap_sem); - mmput(mm); if (is_register) { - if (ret && ret == -EEXIST) - ret = 0; - if (ret) - break; + err = install_breakpoint(uprobe, mm, vma, info->vaddr); + /* + * We can race against uprobe_mmap(), see the + * comment near uprobe_hash(). + */ + if (err == -EEXIST) + err = 0; + } else { + remove_breakpoint(uprobe, mm, info->vaddr); } + unlock: + up_write(&mm->mmap_sem); + free: + mmput(mm); + info = free_map_info(info); } - list_for_each_entry_safe(vi, tmpvi, &try_list, probe_list) { - list_del(&vi->probe_list); - kfree(vi); - } - - return ret; + return err; } static int __uprobe_register(struct uprobe *uprobe) @@ -1048,7 +1031,7 @@ static void build_probe_list(struct inode *inode, struct list_head *head) int uprobe_mmap(struct vm_area_struct *vma) { struct list_head tmp_list; - struct uprobe *uprobe, *u; + struct uprobe *uprobe; struct inode *inode; int ret, count; @@ -1066,12 +1049,9 @@ int uprobe_mmap(struct vm_area_struct *vma) ret = 0; count = 0; - list_for_each_entry_safe(uprobe, u, &tmp_list, pending_list) { - loff_t vaddr; - - list_del(&uprobe->pending_list); + list_for_each_entry(uprobe, &tmp_list, pending_list) { if (!ret) { - vaddr = vma_address(vma, uprobe->offset); + loff_t vaddr = vma_address(vma, uprobe->offset); if (vaddr < vma->vm_start || vaddr >= vma->vm_end) { put_uprobe(uprobe); @@ -1079,8 +1059,10 @@ int uprobe_mmap(struct vm_area_struct *vma) } ret = install_breakpoint(uprobe, vma->vm_mm, vma, vaddr); - - /* Ignore double add: */ + /* + * We can race against uprobe_register(), see the + * comment near uprobe_hash(). + */ if (ret == -EEXIST) { ret = 0; @@ -1115,7 +1097,7 @@ int uprobe_mmap(struct vm_area_struct *vma) void uprobe_munmap(struct vm_area_struct *vma, unsigned long start, unsigned long end) { struct list_head tmp_list; - struct uprobe *uprobe, *u; + struct uprobe *uprobe; struct inode *inode; if (!atomic_read(&uprobe_events) || !valid_vma(vma, false)) @@ -1132,11 +1114,8 @@ void uprobe_munmap(struct vm_area_struct *vma, unsigned long start, unsigned lon mutex_lock(uprobes_mmap_hash(inode)); build_probe_list(inode, &tmp_list); - list_for_each_entry_safe(uprobe, u, &tmp_list, pending_list) { - loff_t vaddr; - - list_del(&uprobe->pending_list); - vaddr = vma_address(vma, uprobe->offset); + list_for_each_entry(uprobe, &tmp_list, pending_list) { + loff_t vaddr = vma_address(vma, uprobe->offset); if (vaddr >= start && vaddr < end) { /* @@ -1378,9 +1357,6 @@ void uprobe_free_utask(struct task_struct *t) { struct uprobe_task *utask = t->utask; - if (t->uprobe_srcu_id != -1) - srcu_read_unlock_raw(&uprobes_srcu, t->uprobe_srcu_id); - if (!utask) return; @@ -1398,7 +1374,6 @@ void uprobe_free_utask(struct task_struct *t) void uprobe_copy_process(struct task_struct *t) { t->utask = NULL; - t->uprobe_srcu_id = -1; } /* @@ -1417,7 +1392,6 @@ static struct uprobe_task *add_utask(void) if (unlikely(!utask)) return NULL; - utask->active_uprobe = NULL; current->utask = utask; return utask; } @@ -1479,41 +1453,64 @@ static bool can_skip_sstep(struct uprobe *uprobe, struct pt_regs *regs) return false; } +static struct uprobe *find_active_uprobe(unsigned long bp_vaddr, int *is_swbp) +{ + struct mm_struct *mm = current->mm; + struct uprobe *uprobe = NULL; + struct vm_area_struct *vma; + + down_read(&mm->mmap_sem); + vma = find_vma(mm, bp_vaddr); + if (vma && vma->vm_start <= bp_vaddr) { + if (valid_vma(vma, false)) { + struct inode *inode; + loff_t offset; + + inode = vma->vm_file->f_mapping->host; + offset = bp_vaddr - vma->vm_start; + offset += (vma->vm_pgoff << PAGE_SHIFT); + uprobe = find_uprobe(inode, offset); + } + + if (!uprobe) + *is_swbp = is_swbp_at_addr(mm, bp_vaddr); + } else { + *is_swbp = -EFAULT; + } + up_read(&mm->mmap_sem); + + return uprobe; +} + /* * Run handler and ask thread to singlestep. * Ensure all non-fatal signals cannot interrupt thread while it singlesteps. */ static void handle_swbp(struct pt_regs *regs) { - struct vm_area_struct *vma; struct uprobe_task *utask; struct uprobe *uprobe; - struct mm_struct *mm; unsigned long bp_vaddr; + int uninitialized_var(is_swbp); - uprobe = NULL; bp_vaddr = uprobe_get_swbp_addr(regs); - mm = current->mm; - down_read(&mm->mmap_sem); - vma = find_vma(mm, bp_vaddr); - - if (vma && vma->vm_start <= bp_vaddr && valid_vma(vma, false)) { - struct inode *inode; - loff_t offset; - - inode = vma->vm_file->f_mapping->host; - offset = bp_vaddr - vma->vm_start; - offset += (vma->vm_pgoff << PAGE_SHIFT); - uprobe = find_uprobe(inode, offset); - } - - srcu_read_unlock_raw(&uprobes_srcu, current->uprobe_srcu_id); - current->uprobe_srcu_id = -1; - up_read(&mm->mmap_sem); + uprobe = find_active_uprobe(bp_vaddr, &is_swbp); if (!uprobe) { - /* No matching uprobe; signal SIGTRAP. */ - send_sig(SIGTRAP, current, 0); + if (is_swbp > 0) { + /* No matching uprobe; signal SIGTRAP. */ + send_sig(SIGTRAP, current, 0); + } else { + /* + * Either we raced with uprobe_unregister() or we can't + * access this memory. The latter is only possible if + * another thread plays with our ->mm. In both cases + * we can simply restart. If this vma was unmapped we + * can pretend this insn was not executed yet and get + * the (correct) SIGSEGV after restart. + */ + instruction_pointer_set(regs, bp_vaddr); + } return; } @@ -1620,7 +1617,6 @@ int uprobe_pre_sstep_notifier(struct pt_regs *regs) utask->state = UTASK_BP_HIT; set_thread_flag(TIF_UPROBE); - current->uprobe_srcu_id = srcu_read_lock_raw(&uprobes_srcu); return 1; } @@ -1655,7 +1651,6 @@ static int __init init_uprobes(void) mutex_init(&uprobes_mutex[i]); mutex_init(&uprobes_mmap_mutex[i]); } - init_srcu_struct(&uprobes_srcu); return register_die_notifier(&uprobe_exception_nb); } diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index a008663d86c8..b4f20fba09fc 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -312,7 +312,7 @@ static int remove_ftrace_list_ops(struct ftrace_ops **list, static int __register_ftrace_function(struct ftrace_ops *ops) { - if (ftrace_disabled) + if (unlikely(ftrace_disabled)) return -ENODEV; if (FTRACE_WARN_ON(ops == &global_ops)) @@ -4299,16 +4299,12 @@ int register_ftrace_function(struct ftrace_ops *ops) mutex_lock(&ftrace_lock); - if (unlikely(ftrace_disabled)) - goto out_unlock; - ret = __register_ftrace_function(ops); if (!ret) ret = ftrace_startup(ops, 0); - - out_unlock: mutex_unlock(&ftrace_lock); + return ret; } EXPORT_SYMBOL_GPL(register_ftrace_function); diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index f765465bffe4..49491fa7daa2 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -3239,6 +3239,10 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) if (cpu_buffer->commit_page == cpu_buffer->reader_page) goto out; + /* Don't bother swapping if the ring buffer is empty */ + if (rb_num_of_entries(cpu_buffer) == 0) + goto out; + /* * Reset the reader page to size zero. */ diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index a7fa0702be1c..a120f98c4112 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -830,6 +830,8 @@ int register_tracer(struct tracer *type) current_trace = saved_tracer; if (ret) { printk(KERN_CONT "FAILED!\n"); + /* Add the warning after printing 'FAILED' */ + WARN_ON(1); goto out; } /* Only reset on passing, to avoid touching corrupted buffers */ @@ -1708,9 +1710,11 @@ EXPORT_SYMBOL_GPL(trace_vprintk); static void trace_iterator_increment(struct trace_iterator *iter) { + struct ring_buffer_iter *buf_iter = trace_buffer_iter(iter, iter->cpu); + iter->idx++; - if (iter->buffer_iter[iter->cpu]) - ring_buffer_read(iter->buffer_iter[iter->cpu], NULL); + if (buf_iter) + ring_buffer_read(buf_iter, NULL); } static struct trace_entry * @@ -1718,7 +1722,7 @@ peek_next_entry(struct trace_iterator *iter, int cpu, u64 *ts, unsigned long *lost_events) { struct ring_buffer_event *event; - struct ring_buffer_iter *buf_iter = iter->buffer_iter[cpu]; + struct ring_buffer_iter *buf_iter = trace_buffer_iter(iter, cpu); if (buf_iter) event = ring_buffer_iter_peek(buf_iter, ts); @@ -1856,10 +1860,10 @@ void tracing_iter_reset(struct trace_iterator *iter, int cpu) tr->data[cpu]->skipped_entries = 0; - if (!iter->buffer_iter[cpu]) + buf_iter = trace_buffer_iter(iter, cpu); + if (!buf_iter) return; - buf_iter = iter->buffer_iter[cpu]; ring_buffer_iter_reset(buf_iter); /* @@ -2205,13 +2209,15 @@ static enum print_line_t print_bin_fmt(struct trace_iterator *iter) int trace_empty(struct trace_iterator *iter) { + struct ring_buffer_iter *buf_iter; int cpu; /* If we are looking at one CPU buffer, only check that one */ if (iter->cpu_file != TRACE_PIPE_ALL_CPU) { cpu = iter->cpu_file; - if (iter->buffer_iter[cpu]) { - if (!ring_buffer_iter_empty(iter->buffer_iter[cpu])) + buf_iter = trace_buffer_iter(iter, cpu); + if (buf_iter) { + if (!ring_buffer_iter_empty(buf_iter)) return 0; } else { if (!ring_buffer_empty_cpu(iter->tr->buffer, cpu)) @@ -2221,8 +2227,9 @@ int trace_empty(struct trace_iterator *iter) } for_each_tracing_cpu(cpu) { - if (iter->buffer_iter[cpu]) { - if (!ring_buffer_iter_empty(iter->buffer_iter[cpu])) + buf_iter = trace_buffer_iter(iter, cpu); + if (buf_iter) { + if (!ring_buffer_iter_empty(buf_iter)) return 0; } else { if (!ring_buffer_empty_cpu(iter->tr->buffer, cpu)) @@ -2381,6 +2388,11 @@ __tracing_open(struct inode *inode, struct file *file) if (!iter) return ERR_PTR(-ENOMEM); + iter->buffer_iter = kzalloc(sizeof(*iter->buffer_iter) * num_possible_cpus(), + GFP_KERNEL); + if (!iter->buffer_iter) + goto release; + /* * We make a copy of the current tracer to avoid concurrent * changes on it while we are reading. @@ -2441,6 +2453,8 @@ __tracing_open(struct inode *inode, struct file *file) fail: mutex_unlock(&trace_types_lock); kfree(iter->trace); + kfree(iter->buffer_iter); +release: seq_release_private(inode, file); return ERR_PTR(-ENOMEM); } @@ -2481,6 +2495,7 @@ static int tracing_release(struct inode *inode, struct file *file) mutex_destroy(&iter->mutex); free_cpumask_var(iter->started); kfree(iter->trace); + kfree(iter->buffer_iter); seq_release_private(inode, file); return 0; } diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 5aec220d2de0..55e1f7f0db12 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -317,6 +317,14 @@ struct tracer { #define TRACE_PIPE_ALL_CPU -1 +static inline struct ring_buffer_iter * +trace_buffer_iter(struct trace_iterator *iter, int cpu) +{ + if (iter->buffer_iter && iter->buffer_iter[cpu]) + return iter->buffer_iter[cpu]; + return NULL; +} + int tracer_init(struct tracer *t, struct trace_array *tr); int tracing_is_enabled(void); void trace_wake_up(void); diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index a7d2a4c653d8..ce27c8ba8d31 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -538,7 +538,7 @@ get_return_for_leaf(struct trace_iterator *iter, next = &data->ret; } else { - ring_iter = iter->buffer_iter[iter->cpu]; + ring_iter = trace_buffer_iter(iter, iter->cpu); /* First peek to compare current entry and the next one */ if (ring_iter) diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index df611a0e76c5..123b189c732c 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -1325,4 +1325,4 @@ __init static int init_events(void) return 0; } -device_initcall(init_events); +early_initcall(init_events); diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile index 3d69aa9ff51e..46c2f6b7b123 100644 --- a/tools/lib/traceevent/Makefile +++ b/tools/lib/traceevent/Makefile @@ -250,8 +250,12 @@ endef all_objs := $(sort $(ALL_OBJS)) all_deps := $(all_objs:%.o=.%.d) +# let .d file also depends on the source and header files define check_deps - $(CC) -M $(CFLAGS) $< > $@; + @set -e; $(RM) $@; \ + $(CC) -M $(CFLAGS) $< > $@.$$$$; \ + sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \ + $(RM) $@.$$$$ endef $(gui_deps): ks_version.h @@ -270,11 +274,13 @@ endif tags: force $(RM) tags - find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px + find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \ + --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' TAGS: force $(RM) TAGS - find . -name '*.[ch]' | xargs etags + find . -name '*.[ch]' | xargs etags \ + --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/' define do_install $(print_install) \ @@ -290,7 +296,7 @@ install_lib: all_cmd install_plugins install_python install: install_lib clean: - $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES).*.d + $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d $(RM) tags TAGS endif # skip-makefile diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 554828219c33..5f34aa371b56 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -467,8 +467,10 @@ int pevent_register_function(struct pevent *pevent, char *func, item->mod = NULL; item->addr = addr; - pevent->funclist = item; + if (!item->func || (mod && !item->mod)) + die("malloc func"); + pevent->funclist = item; pevent->func_count++; return 0; @@ -511,12 +513,12 @@ struct printk_list { static int printk_cmp(const void *a, const void *b) { - const struct func_map *fa = a; - const struct func_map *fb = b; + const struct printk_map *pa = a; + const struct printk_map *pb = b; - if (fa->addr < fb->addr) + if (pa->addr < pb->addr) return -1; - if (fa->addr > fb->addr) + if (pa->addr > pb->addr) return 1; return 0; @@ -583,10 +585,13 @@ int pevent_register_print_string(struct pevent *pevent, char *fmt, item = malloc_or_die(sizeof(*item)); item->next = pevent->printklist; - pevent->printklist = item; item->printk = strdup(fmt); item->addr = addr; + if (!item->printk) + die("malloc fmt"); + + pevent->printklist = item; pevent->printk_count++; return 0; @@ -616,7 +621,9 @@ static struct event_format *alloc_event(void) { struct event_format *event; - event = malloc_or_die(sizeof(*event)); + event = malloc(sizeof(*event)); + if (!event) + return NULL; memset(event, 0, sizeof(*event)); return event; @@ -626,12 +633,8 @@ static void add_event(struct pevent *pevent, struct event_format *event) { int i; - if (!pevent->events) - pevent->events = malloc_or_die(sizeof(event)); - else - pevent->events = - realloc(pevent->events, sizeof(event) * - (pevent->nr_events + 1)); + pevent->events = realloc(pevent->events, sizeof(event) * + (pevent->nr_events + 1)); if (!pevent->events) die("Can not allocate events"); @@ -697,6 +700,10 @@ static void free_arg(struct print_arg *arg) free_arg(arg->symbol.field); free_flag_sym(arg->symbol.symbols); break; + case PRINT_HEX: + free_arg(arg->hex.field); + free_arg(arg->hex.size); + break; case PRINT_TYPE: free(arg->typecast.type); free_arg(arg->typecast.item); @@ -775,6 +782,25 @@ int pevent_peek_char(void) return __peek_char(); } +static int extend_token(char **tok, char *buf, int size) +{ + char *newtok = realloc(*tok, size); + + if (!newtok) { + free(*tok); + *tok = NULL; + return -1; + } + + if (!*tok) + strcpy(newtok, buf); + else + strcat(newtok, buf); + *tok = newtok; + + return 0; +} + static enum event_type force_token(const char *str, char **tok); static enum event_type __read_token(char **tok) @@ -859,17 +885,10 @@ static enum event_type __read_token(char **tok) do { if (i == (BUFSIZ - 1)) { buf[i] = 0; - if (*tok) { - *tok = realloc(*tok, tok_size + BUFSIZ); - if (!*tok) - return EVENT_NONE; - strcat(*tok, buf); - } else - *tok = strdup(buf); + tok_size += BUFSIZ; - if (!*tok) + if (extend_token(tok, buf, tok_size) < 0) return EVENT_NONE; - tok_size += BUFSIZ; i = 0; } last_ch = ch; @@ -908,17 +927,10 @@ static enum event_type __read_token(char **tok) while (get_type(__peek_char()) == type) { if (i == (BUFSIZ - 1)) { buf[i] = 0; - if (*tok) { - *tok = realloc(*tok, tok_size + BUFSIZ); - if (!*tok) - return EVENT_NONE; - strcat(*tok, buf); - } else - *tok = strdup(buf); + tok_size += BUFSIZ; - if (!*tok) + if (extend_token(tok, buf, tok_size) < 0) return EVENT_NONE; - tok_size += BUFSIZ; i = 0; } ch = __read_char(); @@ -927,14 +939,7 @@ static enum event_type __read_token(char **tok) out: buf[i] = 0; - if (*tok) { - *tok = realloc(*tok, tok_size + i); - if (!*tok) - return EVENT_NONE; - strcat(*tok, buf); - } else - *tok = strdup(buf); - if (!*tok) + if (extend_token(tok, buf, tok_size + i + 1) < 0) return EVENT_NONE; if (type == EVENT_ITEM) { @@ -1255,9 +1260,15 @@ static int event_read_fields(struct event_format *event, struct format_field **f field->flags |= FIELD_IS_POINTER; if (field->type) { - field->type = realloc(field->type, - strlen(field->type) + - strlen(last_token) + 2); + char *new_type; + new_type = realloc(field->type, + strlen(field->type) + + strlen(last_token) + 2); + if (!new_type) { + free(last_token); + goto fail; + } + field->type = new_type; strcat(field->type, " "); strcat(field->type, last_token); free(last_token); @@ -1282,6 +1293,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f if (strcmp(token, "[") == 0) { enum event_type last_type = type; char *brackets = token; + char *new_brackets; int len; field->flags |= FIELD_IS_ARRAY; @@ -1301,9 +1313,14 @@ static int event_read_fields(struct event_format *event, struct format_field **f len = 1; last_type = type; - brackets = realloc(brackets, - strlen(brackets) + - strlen(token) + len); + new_brackets = realloc(brackets, + strlen(brackets) + + strlen(token) + len); + if (!new_brackets) { + free(brackets); + goto fail; + } + brackets = new_brackets; if (len == 2) strcat(brackets, " "); strcat(brackets, token); @@ -1319,7 +1336,12 @@ static int event_read_fields(struct event_format *event, struct format_field **f free_token(token); - brackets = realloc(brackets, strlen(brackets) + 2); + new_brackets = realloc(brackets, strlen(brackets) + 2); + if (!new_brackets) { + free(brackets); + goto fail; + } + brackets = new_brackets; strcat(brackets, "]"); /* add brackets to type */ @@ -1330,10 +1352,16 @@ static int event_read_fields(struct event_format *event, struct format_field **f * the format: type [] item; */ if (type == EVENT_ITEM) { - field->type = realloc(field->type, - strlen(field->type) + - strlen(field->name) + - strlen(brackets) + 2); + char *new_type; + new_type = realloc(field->type, + strlen(field->type) + + strlen(field->name) + + strlen(brackets) + 2); + if (!new_type) { + free(brackets); + goto fail; + } + field->type = new_type; strcat(field->type, " "); strcat(field->type, field->name); free_token(field->name); @@ -1341,9 +1369,15 @@ static int event_read_fields(struct event_format *event, struct format_field **f field->name = token; type = read_token(&token); } else { - field->type = realloc(field->type, - strlen(field->type) + - strlen(brackets) + 1); + char *new_type; + new_type = realloc(field->type, + strlen(field->type) + + strlen(brackets) + 1); + if (!new_type) { + free(brackets); + goto fail; + } + field->type = new_type; strcat(field->type, brackets); } free(brackets); @@ -1726,10 +1760,16 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) /* could just be a type pointer */ if ((strcmp(arg->op.op, "*") == 0) && type == EVENT_DELIM && (strcmp(token, ")") == 0)) { + char *new_atom; + if (left->type != PRINT_ATOM) die("bad pointer type"); - left->atom.atom = realloc(left->atom.atom, + new_atom = realloc(left->atom.atom, strlen(left->atom.atom) + 3); + if (!new_atom) + goto out_free; + + left->atom.atom = new_atom; strcat(left->atom.atom, " *"); free(arg->op.op); *arg = *left; @@ -2146,6 +2186,8 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char ** if (value == NULL) goto out_free; field->value = strdup(value); + if (field->value == NULL) + goto out_free; free_arg(arg); arg = alloc_arg(); @@ -2159,6 +2201,8 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char ** if (value == NULL) goto out_free; field->str = strdup(value); + if (field->str == NULL) + goto out_free; free_arg(arg); arg = NULL; @@ -2260,6 +2304,45 @@ process_symbols(struct event_format *event, struct print_arg *arg, char **tok) } static enum event_type +process_hex(struct event_format *event, struct print_arg *arg, char **tok) +{ + struct print_arg *field; + enum event_type type; + char *token; + + memset(arg, 0, sizeof(*arg)); + arg->type = PRINT_HEX; + + field = alloc_arg(); + type = process_arg(event, field, &token); + + if (test_type_token(type, token, EVENT_DELIM, ",")) + goto out_free; + + arg->hex.field = field; + + free_token(token); + + field = alloc_arg(); + type = process_arg(event, field, &token); + + if (test_type_token(type, token, EVENT_DELIM, ")")) + goto out_free; + + arg->hex.size = field; + + free_token(token); + type = read_token_item(tok); + return type; + + out_free: + free_arg(field); + free_token(token); + *tok = NULL; + return EVENT_ERROR; +} + +static enum event_type process_dynamic_array(struct event_format *event, struct print_arg *arg, char **tok) { struct format_field *field; @@ -2488,6 +2571,10 @@ process_function(struct event_format *event, struct print_arg *arg, is_symbolic_field = 1; return process_symbols(event, arg, tok); } + if (strcmp(token, "__print_hex") == 0) { + free_token(token); + return process_hex(event, arg, tok); + } if (strcmp(token, "__get_str") == 0) { free_token(token); return process_str(event, arg, tok); @@ -2541,7 +2628,16 @@ process_arg_token(struct event_format *event, struct print_arg *arg, } /* atoms can be more than one token long */ while (type == EVENT_ITEM) { - atom = realloc(atom, strlen(atom) + strlen(token) + 2); + char *new_atom; + new_atom = realloc(atom, + strlen(atom) + strlen(token) + 2); + if (!new_atom) { + free(atom); + *tok = NULL; + free_token(token); + return EVENT_ERROR; + } + atom = new_atom; strcat(atom, " "); strcat(atom, token); free_token(token); @@ -2835,7 +2931,7 @@ static int get_common_info(struct pevent *pevent, event = pevent->events[0]; field = pevent_find_common_field(event, type); if (!field) - die("field '%s' not found", type); + return -1; *offset = field->offset; *size = field->size; @@ -2886,15 +2982,16 @@ static int parse_common_flags(struct pevent *pevent, void *data) static int parse_common_lock_depth(struct pevent *pevent, void *data) { - int ret; - - ret = __parse_common(pevent, data, - &pevent->ld_size, &pevent->ld_offset, - "common_lock_depth"); - if (ret < 0) - return -1; + return __parse_common(pevent, data, + &pevent->ld_size, &pevent->ld_offset, + "common_lock_depth"); +} - return ret; +static int parse_common_migrate_disable(struct pevent *pevent, void *data) +{ + return __parse_common(pevent, data, + &pevent->ld_size, &pevent->ld_offset, + "common_migrate_disable"); } static int events_id_cmp(const void *a, const void *b); @@ -2995,6 +3092,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg break; case PRINT_FLAGS: case PRINT_SYMBOL: + case PRINT_HEX: break; case PRINT_TYPE: val = eval_num_arg(data, size, event, arg->typecast.item); @@ -3214,11 +3312,13 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, { struct pevent *pevent = event->pevent; struct print_flag_sym *flag; + struct format_field *field; unsigned long long val, fval; unsigned long addr; char *str; + unsigned char *hex; int print; - int len; + int i, len; switch (arg->type) { case PRINT_NULL: @@ -3228,27 +3328,29 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, print_str_to_seq(s, format, len_arg, arg->atom.atom); return; case PRINT_FIELD: - if (!arg->field.field) { - arg->field.field = pevent_find_any_field(event, arg->field.name); - if (!arg->field.field) + field = arg->field.field; + if (!field) { + field = pevent_find_any_field(event, arg->field.name); + if (!field) die("field %s not found", arg->field.name); + arg->field.field = field; } /* Zero sized fields, mean the rest of the data */ - len = arg->field.field->size ? : size - arg->field.field->offset; + len = field->size ? : size - field->offset; /* * Some events pass in pointers. If this is not an array * and the size is the same as long_size, assume that it * is a pointer. */ - if (!(arg->field.field->flags & FIELD_IS_ARRAY) && - arg->field.field->size == pevent->long_size) { - addr = *(unsigned long *)(data + arg->field.field->offset); + if (!(field->flags & FIELD_IS_ARRAY) && + field->size == pevent->long_size) { + addr = *(unsigned long *)(data + field->offset); trace_seq_printf(s, "%lx", addr); break; } str = malloc_or_die(len + 1); - memcpy(str, data + arg->field.field->offset, len); + memcpy(str, data + field->offset, len); str[len] = 0; print_str_to_seq(s, format, len_arg, str); free(str); @@ -3281,6 +3383,23 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, } } break; + case PRINT_HEX: + field = arg->hex.field->field.field; + if (!field) { + str = arg->hex.field->field.name; + field = pevent_find_any_field(event, str); + if (!field) + die("field %s not found", str); + arg->hex.field->field.field = field; + } + hex = data + field->offset; + len = eval_num_arg(data, size, event, arg->hex.size); + for (i = 0; i < len; i++) { + if (i) + trace_seq_putc(s, ' '); + trace_seq_printf(s, "%02x", hex[i]); + } + break; case PRINT_TYPE: break; @@ -3299,7 +3418,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size, break; } case PRINT_BSTRING: - trace_seq_printf(s, format, arg->string.string); + print_str_to_seq(s, format, len_arg, arg->string.string); break; case PRINT_OP: /* @@ -3363,6 +3482,10 @@ process_defined_func(struct trace_seq *s, void *data, int size, string = malloc_or_die(sizeof(*string)); string->next = strings; string->str = strdup(str.buffer); + if (!string->str) + die("malloc str"); + + args[i] = (unsigned long long)string->str; strings = string; trace_seq_destroy(&str); break; @@ -3400,6 +3523,7 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc unsigned long long ip, val; char *ptr; void *bptr; + int vsize; field = pevent->bprint_buf_field; ip_field = pevent->bprint_ip_field; @@ -3448,6 +3572,8 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc goto process_again; case '0' ... '9': goto process_again; + case '.': + goto process_again; case 'p': ls = 1; /* fall through */ @@ -3455,23 +3581,30 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc case 'u': case 'x': case 'i': - /* the pointers are always 4 bytes aligned */ - bptr = (void *)(((unsigned long)bptr + 3) & - ~3); switch (ls) { case 0: - ls = 4; + vsize = 4; break; case 1: - ls = pevent->long_size; + vsize = pevent->long_size; break; case 2: - ls = 8; + vsize = 8; + break; default: + vsize = ls; /* ? */ break; } - val = pevent_read_number(pevent, bptr, ls); - bptr += ls; + /* fall through */ + case '*': + if (*ptr == '*') + vsize = 4; + + /* the pointers are always 4 bytes aligned */ + bptr = (void *)(((unsigned long)bptr + 3) & + ~3); + val = pevent_read_number(pevent, bptr, vsize); + bptr += vsize; arg = alloc_arg(); arg->next = NULL; arg->type = PRINT_ATOM; @@ -3479,12 +3612,21 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc sprintf(arg->atom.atom, "%lld", val); *next = arg; next = &arg->next; + /* + * The '*' case means that an arg is used as the length. + * We need to continue to figure out for what. + */ + if (*ptr == '*') + goto process_again; + break; case 's': arg = alloc_arg(); arg->next = NULL; arg->type = PRINT_BSTRING; arg->string.string = strdup(bptr); + if (!arg->string.string) + break; bptr += strlen(bptr) + 1; *next = arg; next = &arg->next; @@ -3589,6 +3731,16 @@ static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size, trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]); } +static int is_printable_array(char *p, unsigned int len) +{ + unsigned int i; + + for (i = 0; i < len && p[i]; i++) + if (!isprint(p[i])) + return 0; + return 1; +} + static void print_event_fields(struct trace_seq *s, void *data, int size, struct event_format *event) { @@ -3608,7 +3760,8 @@ static void print_event_fields(struct trace_seq *s, void *data, int size, len = offset >> 16; offset &= 0xffff; } - if (field->flags & FIELD_IS_STRING) { + if (field->flags & FIELD_IS_STRING && + is_printable_array(data + offset, len)) { trace_seq_printf(s, "%s", (char *)data + offset); } else { trace_seq_puts(s, "ARRAY["); @@ -3619,6 +3772,7 @@ static void print_event_fields(struct trace_seq *s, void *data, int size, *((unsigned char *)data + offset + i)); } trace_seq_putc(s, ']'); + field->flags &= ~FIELD_IS_STRING; } } else { val = pevent_read_number(event->pevent, data + field->offset, @@ -3758,6 +3912,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event } else if (*(ptr+1) == 'M' || *(ptr+1) == 'm') { print_mac_arg(s, *(ptr+1), data, size, event, arg); ptr++; + arg = arg->next; break; } @@ -3794,14 +3949,15 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event break; } } - if (pevent->long_size == 8 && ls) { + if (pevent->long_size == 8 && ls && + sizeof(long) != 8) { char *p; ls = 2; /* make %l into %ll */ p = strchr(format, 'l'); if (p) - memmove(p, p+1, strlen(p)+1); + memmove(p+1, p, strlen(p)+1); else if (strcmp(format, "%p") == 0) strcpy(format, "0x%llx"); } @@ -3878,8 +4034,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event * pevent_data_lat_fmt - parse the data for the latency format * @pevent: a handle to the pevent * @s: the trace_seq to write to - * @data: the raw data to read from - * @size: currently unused. + * @record: the record to read from * * This parses out the Latency format (interrupts disabled, * need rescheduling, in hard/soft interrupt, preempt count @@ -3889,10 +4044,13 @@ void pevent_data_lat_fmt(struct pevent *pevent, struct trace_seq *s, struct pevent_record *record) { static int check_lock_depth = 1; + static int check_migrate_disable = 1; static int lock_depth_exists; + static int migrate_disable_exists; unsigned int lat_flags; unsigned int pc; int lock_depth; + int migrate_disable; int hardirq; int softirq; void *data = record->data; @@ -3900,18 +4058,26 @@ void pevent_data_lat_fmt(struct pevent *pevent, lat_flags = parse_common_flags(pevent, data); pc = parse_common_pc(pevent, data); /* lock_depth may not always exist */ - if (check_lock_depth) { - struct format_field *field; - struct event_format *event; - - check_lock_depth = 0; - event = pevent->events[0]; - field = pevent_find_common_field(event, "common_lock_depth"); - if (field) - lock_depth_exists = 1; - } if (lock_depth_exists) lock_depth = parse_common_lock_depth(pevent, data); + else if (check_lock_depth) { + lock_depth = parse_common_lock_depth(pevent, data); + if (lock_depth < 0) + check_lock_depth = 0; + else + lock_depth_exists = 1; + } + + /* migrate_disable may not always exist */ + if (migrate_disable_exists) + migrate_disable = parse_common_migrate_disable(pevent, data); + else if (check_migrate_disable) { + migrate_disable = parse_common_migrate_disable(pevent, data); + if (migrate_disable < 0) + check_migrate_disable = 0; + else + migrate_disable_exists = 1; + } hardirq = lat_flags & TRACE_FLAG_HARDIRQ; softirq = lat_flags & TRACE_FLAG_SOFTIRQ; @@ -3930,6 +4096,13 @@ void pevent_data_lat_fmt(struct pevent *pevent, else trace_seq_putc(s, '.'); + if (migrate_disable_exists) { + if (migrate_disable < 0) + trace_seq_putc(s, '.'); + else + trace_seq_printf(s, "%d", migrate_disable); + } + if (lock_depth_exists) { if (lock_depth < 0) trace_seq_putc(s, '.'); @@ -3996,10 +4169,7 @@ const char *pevent_data_comm_from_pid(struct pevent *pevent, int pid) * pevent_data_comm_from_pid - parse the data into the print format * @s: the trace_seq to write to * @event: the handle to the event - * @cpu: the cpu the event was recorded on - * @data: the raw data - * @size: the size of the raw data - * @nsecs: the timestamp of the event + * @record: the record to read from * * This parses the raw @data using the given @event information and * writes the print format into the trace_seq. @@ -4279,6 +4449,13 @@ static void print_args(struct print_arg *args) trace_seq_destroy(&s); printf(")"); break; + case PRINT_HEX: + printf("__print_hex("); + print_args(args->hex.field); + printf(", "); + print_args(args->hex.size); + printf(")"); + break; case PRINT_STRING: case PRINT_BSTRING: printf("__get_str(%s)", args->string.string); @@ -4541,6 +4718,8 @@ int pevent_parse_event(struct pevent *pevent, die("failed to read event id"); event->system = strdup(sys); + if (!event->system) + die("failed to allocate system"); /* Add pevent to event so that it can be referenced */ event->pevent = pevent; @@ -4582,6 +4761,11 @@ int pevent_parse_event(struct pevent *pevent, list = &arg->next; arg->type = PRINT_FIELD; arg->field.name = strdup(field->name); + if (!arg->field.name) { + do_warning("failed to allocate field name"); + event->flags |= EVENT_FL_FAILED; + return -1; + } arg->field.field = field; } return 0; @@ -4753,7 +4937,7 @@ int pevent_get_any_field_val(struct trace_seq *s, struct event_format *event, * @record: The record with the field name. * @err: print default error if failed. * - * Returns: 0 on success, -1 field not fould, or 1 if buffer is full. + * Returns: 0 on success, -1 field not found, or 1 if buffer is full. */ int pevent_print_num_field(struct trace_seq *s, const char *fmt, struct event_format *event, const char *name, @@ -4795,11 +4979,12 @@ static void free_func_handle(struct pevent_function_handler *func) * pevent_register_print_function - register a helper function * @pevent: the handle to the pevent * @func: the function to process the helper function + * @ret_type: the return type of the helper function * @name: the name of the helper function * @parameters: A list of enum pevent_func_arg_type * * Some events may have helper functions in the print format arguments. - * This allows a plugin to dynmically create a way to process one + * This allows a plugin to dynamically create a way to process one * of these functions. * * The @parameters is a variable list of pevent_func_arg_type enums that @@ -4870,12 +5055,13 @@ int pevent_register_print_function(struct pevent *pevent, } /** - * pevent_register_event_handle - register a way to parse an event + * pevent_register_event_handler - register a way to parse an event * @pevent: the handle to the pevent * @id: the id of the event to register * @sys_name: the system name the event belongs to * @event_name: the name of the event * @func: the function to call to parse the event information + * @context: the data to be passed to @func * * This function allows a developer to override the parsing of * a given event. If for some reason the default print format @@ -4925,6 +5111,11 @@ int pevent_register_event_handler(struct pevent *pevent, if (sys_name) handle->sys_name = strdup(sys_name); + if ((event_name && !handle->event_name) || + (sys_name && !handle->sys_name)) { + die("Failed to allocate event/sys name"); + } + handle->func = func; handle->next = pevent->handlers; pevent->handlers = handle; diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h index ac997bc7b592..5772ad8cb386 100644 --- a/tools/lib/traceevent/event-parse.h +++ b/tools/lib/traceevent/event-parse.h @@ -226,6 +226,11 @@ struct print_arg_symbol { struct print_flag_sym *symbols; }; +struct print_arg_hex { + struct print_arg *field; + struct print_arg *size; +}; + struct print_arg_dynarray { struct format_field *field; struct print_arg *index; @@ -253,6 +258,7 @@ enum print_arg_type { PRINT_FIELD, PRINT_FLAGS, PRINT_SYMBOL, + PRINT_HEX, PRINT_TYPE, PRINT_STRING, PRINT_BSTRING, @@ -270,6 +276,7 @@ struct print_arg { struct print_arg_typecast typecast; struct print_arg_flags flags; struct print_arg_symbol symbol; + struct print_arg_hex hex; struct print_arg_func func; struct print_arg_string string; struct print_arg_op op; diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index dfcfe2c131de..ad17855528f9 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -96,7 +96,7 @@ static enum event_type read_token(char **tok) (strcmp(token, "=") == 0 || strcmp(token, "!") == 0) && pevent_peek_char() == '~') { /* append it */ - *tok = malloc(3); + *tok = malloc_or_die(3); sprintf(*tok, "%c%c", *token, '~'); free_token(token); /* Now remove the '~' from the buffer */ @@ -148,17 +148,11 @@ add_filter_type(struct event_filter *filter, int id) if (filter_type) return filter_type; - if (!filter->filters) - filter->event_filters = - malloc_or_die(sizeof(*filter->event_filters)); - else { - filter->event_filters = - realloc(filter->event_filters, - sizeof(*filter->event_filters) * - (filter->filters + 1)); - if (!filter->event_filters) - die("Could not allocate filter"); - } + filter->event_filters = realloc(filter->event_filters, + sizeof(*filter->event_filters) * + (filter->filters + 1)); + if (!filter->event_filters) + die("Could not allocate filter"); for (i = 0; i < filter->filters; i++) { if (filter->event_filters[i].event_id > id) @@ -1480,7 +1474,7 @@ void pevent_filter_clear_trivial(struct event_filter *filter, { struct filter_type *filter_type; int count = 0; - int *ids; + int *ids = NULL; int i; if (!filter->filters) @@ -1504,10 +1498,8 @@ void pevent_filter_clear_trivial(struct event_filter *filter, default: break; } - if (count) - ids = realloc(ids, sizeof(*ids) * (count + 1)); - else - ids = malloc(sizeof(*ids)); + + ids = realloc(ids, sizeof(*ids) * (count + 1)); if (!ids) die("Can't allocate ids"); ids[count++] = filter_type->event_id; @@ -1710,18 +1702,43 @@ static int test_num(struct event_format *event, static const char *get_field_str(struct filter_arg *arg, struct pevent_record *record) { - const char *val = record->data + arg->str.field->offset; + struct event_format *event; + struct pevent *pevent; + unsigned long long addr; + const char *val = NULL; + char hex[64]; - /* - * We need to copy the data since we can't be sure the field - * is null terminated. - */ - if (*(val + arg->str.field->size - 1)) { - /* copy it */ - memcpy(arg->str.buffer, val, arg->str.field->size); - /* the buffer is already NULL terminated */ - val = arg->str.buffer; + /* If the field is not a string convert it */ + if (arg->str.field->flags & FIELD_IS_STRING) { + val = record->data + arg->str.field->offset; + + /* + * We need to copy the data since we can't be sure the field + * is null terminated. + */ + if (*(val + arg->str.field->size - 1)) { + /* copy it */ + memcpy(arg->str.buffer, val, arg->str.field->size); + /* the buffer is already NULL terminated */ + val = arg->str.buffer; + } + + } else { + event = arg->str.field->event; + pevent = event->pevent; + addr = get_value(event, arg->str.field, record); + + if (arg->str.field->flags & (FIELD_IS_POINTER | FIELD_IS_LONG)) + /* convert to a kernel symbol */ + val = pevent_find_function(pevent, addr); + + if (val == NULL) { + /* just use the hex of the string name */ + snprintf(hex, 64, "0x%llx", addr); + val = hex; + } } + return val; } @@ -2001,11 +2018,13 @@ static char *exp_to_str(struct event_filter *filter, struct filter_arg *arg) char *lstr; char *rstr; char *op; - char *str; + char *str = NULL; int len; lstr = arg_to_str(filter, arg->exp.left); rstr = arg_to_str(filter, arg->exp.right); + if (!lstr || !rstr) + goto out; switch (arg->exp.type) { case FILTER_EXP_ADD: @@ -2045,6 +2064,7 @@ static char *exp_to_str(struct event_filter *filter, struct filter_arg *arg) len = strlen(op) + strlen(lstr) + strlen(rstr) + 4; str = malloc_or_die(len); snprintf(str, len, "%s %s %s", lstr, op, rstr); +out: free(lstr); free(rstr); @@ -2061,6 +2081,8 @@ static char *num_to_str(struct event_filter *filter, struct filter_arg *arg) lstr = arg_to_str(filter, arg->num.left); rstr = arg_to_str(filter, arg->num.right); + if (!lstr || !rstr) + goto out; switch (arg->num.type) { case FILTER_CMP_EQ: @@ -2097,6 +2119,7 @@ static char *num_to_str(struct event_filter *filter, struct filter_arg *arg) break; } +out: free(lstr); free(rstr); return str; @@ -2247,7 +2270,12 @@ int pevent_filter_compare(struct event_filter *filter1, struct event_filter *fil /* The best way to compare complex filters is with strings */ str1 = arg_to_str(filter1, filter_type1->filter); str2 = arg_to_str(filter2, filter_type2->filter); - result = strcmp(str1, str2) != 0; + if (str1 && str2) + result = strcmp(str1, str2) != 0; + else + /* bail out if allocation fails */ + result = 1; + free(str1); free(str2); if (result) diff --git a/tools/perf/Documentation/perf-bench.txt b/tools/perf/Documentation/perf-bench.txt index a3dbadb26ef5..7065cd6fbdfc 100644 --- a/tools/perf/Documentation/perf-bench.txt +++ b/tools/perf/Documentation/perf-bench.txt @@ -12,7 +12,7 @@ SYNOPSIS DESCRIPTION ----------- -This 'perf bench' command is general framework for benchmark suites. +This 'perf bench' command is a general framework for benchmark suites. COMMON OPTIONS -------------- @@ -45,14 +45,20 @@ SUBSYSTEM 'sched':: Scheduler and IPC mechanisms. +'mem':: + Memory access performance. + +'all':: + All benchmark subsystems. + SUITES FOR 'sched' ~~~~~~~~~~~~~~~~~~ *messaging*:: Suite for evaluating performance of scheduler and IPC mechanisms. Based on hackbench by Rusty Russell. -Options of *pipe* -^^^^^^^^^^^^^^^^^ +Options of *messaging* +^^^^^^^^^^^^^^^^^^^^^^ -p:: --pipe:: Use pipe() instead of socketpair() @@ -115,6 +121,72 @@ Example of *pipe* 59004 ops/sec --------------------- +SUITES FOR 'mem' +~~~~~~~~~~~~~~~~ +*memcpy*:: +Suite for evaluating performance of simple memory copy in various ways. + +Options of *memcpy* +^^^^^^^^^^^^^^^^^^^ +-l:: +--length:: +Specify length of memory to copy (default: 1MB). +Available units are B, KB, MB, GB and TB (case insensitive). + +-r:: +--routine:: +Specify routine to copy (default: default). +Available routines are depend on the architecture. +On x86-64, x86-64-unrolled, x86-64-movsq and x86-64-movsb are supported. + +-i:: +--iterations:: +Repeat memcpy invocation this number of times. + +-c:: +--cycle:: +Use perf's cpu-cycles event instead of gettimeofday syscall. + +-o:: +--only-prefault:: +Show only the result with page faults before memcpy. + +-n:: +--no-prefault:: +Show only the result without page faults before memcpy. + +*memset*:: +Suite for evaluating performance of simple memory set in various ways. + +Options of *memset* +^^^^^^^^^^^^^^^^^^^ +-l:: +--length:: +Specify length of memory to set (default: 1MB). +Available units are B, KB, MB, GB and TB (case insensitive). + +-r:: +--routine:: +Specify routine to set (default: default). +Available routines are depend on the architecture. +On x86-64, x86-64-unrolled, x86-64-stosq and x86-64-stosb are supported. + +-i:: +--iterations:: +Repeat memset invocation this number of times. + +-c:: +--cycle:: +Use perf's cpu-cycles event instead of gettimeofday syscall. + +-o:: +--only-prefault:: +Show only the result with page faults before memset. + +-n:: +--no-prefault:: +Show only the result without page faults before memset. + SEE ALSO -------- linkperf:perf[1] diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 2d89f02719b5..495210a612c4 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -57,7 +57,7 @@ OPTIONS -s:: --sort=:: - Sort by key(s): pid, comm, dso, symbol, parent. + Sort by key(s): pid, comm, dso, symbol, parent, srcline. -p:: --parent=<regex>:: diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index 4a5680cb242e..5b80d84d6b4a 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -112,7 +112,7 @@ Default is to monitor all CPUS. -s:: --sort:: - Sort by key(s): pid, comm, dso, symbol, parent + Sort by key(s): pid, comm, dso, symbol, parent, srcline. -n:: --show-nr-samples:: diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 0eee64cfe9a0..75d74e5db8d5 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -155,7 +155,7 @@ endif ### --- END CONFIGURATION SECTION --- -BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)/util -I$(TRACE_EVENT_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE +BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)util -I$(TRACE_EVENT_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE BASIC_LDFLAGS = # Guard against environment variables @@ -503,6 +503,7 @@ else LIB_OBJS += $(OUTPUT)ui/progress.o LIB_OBJS += $(OUTPUT)ui/util.o LIB_OBJS += $(OUTPUT)ui/tui/setup.o + LIB_OBJS += $(OUTPUT)ui/tui/util.o LIB_H += ui/browser.h LIB_H += ui/browsers/map.h LIB_H += ui/helpline.h @@ -522,13 +523,18 @@ else msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); BASIC_CFLAGS += -DNO_GTK2_SUPPORT else + ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2)),y) + BASIC_CFLAGS += -DHAVE_GTK_INFO_BAR + endif BASIC_CFLAGS += $(shell pkg-config --cflags gtk+-2.0) EXTLIBS += $(shell pkg-config --libs gtk+-2.0) LIB_OBJS += $(OUTPUT)ui/gtk/browser.o LIB_OBJS += $(OUTPUT)ui/gtk/setup.o + LIB_OBJS += $(OUTPUT)ui/gtk/util.o # Make sure that it'd be included only once. ifneq ($(findstring -DNO_NEWT_SUPPORT,$(BASIC_CFLAGS)),) LIB_OBJS += $(OUTPUT)ui/setup.o + LIB_OBJS += $(OUTPUT)ui/util.o endif endif endif diff --git a/tools/perf/bench/mem-memcpy.c b/tools/perf/bench/mem-memcpy.c index 71557225bf92..02dad5d3359b 100644 --- a/tools/perf/bench/mem-memcpy.c +++ b/tools/perf/bench/mem-memcpy.c @@ -24,21 +24,21 @@ static const char *length_str = "1MB"; static const char *routine = "default"; static int iterations = 1; -static bool use_clock; -static int clock_fd; +static bool use_cycle; +static int cycle_fd; static bool only_prefault; static bool no_prefault; static const struct option options[] = { OPT_STRING('l', "length", &length_str, "1MB", "Specify length of memory to copy. " - "available unit: B, MB, GB (upper and lower)"), + "Available units: B, KB, MB, GB and TB (upper and lower)"), OPT_STRING('r', "routine", &routine, "default", "Specify routine to copy"), OPT_INTEGER('i', "iterations", &iterations, "repeat memcpy() invocation this number of times"), - OPT_BOOLEAN('c', "clock", &use_clock, - "Use CPU clock for measuring"), + OPT_BOOLEAN('c', "cycle", &use_cycle, + "Use cycles event instead of gettimeofday() for measuring"), OPT_BOOLEAN('o', "only-prefault", &only_prefault, "Show only the result with page faults before memcpy()"), OPT_BOOLEAN('n', "no-prefault", &no_prefault, @@ -76,27 +76,27 @@ static const char * const bench_mem_memcpy_usage[] = { NULL }; -static struct perf_event_attr clock_attr = { +static struct perf_event_attr cycle_attr = { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }; -static void init_clock(void) +static void init_cycle(void) { - clock_fd = sys_perf_event_open(&clock_attr, getpid(), -1, -1, 0); + cycle_fd = sys_perf_event_open(&cycle_attr, getpid(), -1, -1, 0); - if (clock_fd < 0 && errno == ENOSYS) + if (cycle_fd < 0 && errno == ENOSYS) die("No CONFIG_PERF_EVENTS=y kernel support configured?\n"); else - BUG_ON(clock_fd < 0); + BUG_ON(cycle_fd < 0); } -static u64 get_clock(void) +static u64 get_cycle(void) { int ret; u64 clk; - ret = read(clock_fd, &clk, sizeof(u64)); + ret = read(cycle_fd, &clk, sizeof(u64)); BUG_ON(ret != sizeof(u64)); return clk; @@ -119,9 +119,9 @@ static void alloc_mem(void **dst, void **src, size_t length) die("memory allocation failed - maybe length is too large?\n"); } -static u64 do_memcpy_clock(memcpy_t fn, size_t len, bool prefault) +static u64 do_memcpy_cycle(memcpy_t fn, size_t len, bool prefault) { - u64 clock_start = 0ULL, clock_end = 0ULL; + u64 cycle_start = 0ULL, cycle_end = 0ULL; void *src = NULL, *dst = NULL; int i; @@ -130,14 +130,14 @@ static u64 do_memcpy_clock(memcpy_t fn, size_t len, bool prefault) if (prefault) fn(dst, src, len); - clock_start = get_clock(); + cycle_start = get_cycle(); for (i = 0; i < iterations; ++i) fn(dst, src, len); - clock_end = get_clock(); + cycle_end = get_cycle(); free(src); free(dst); - return clock_end - clock_start; + return cycle_end - cycle_start; } static double do_memcpy_gettimeofday(memcpy_t fn, size_t len, bool prefault) @@ -182,17 +182,17 @@ int bench_mem_memcpy(int argc, const char **argv, int i; size_t len; double result_bps[2]; - u64 result_clock[2]; + u64 result_cycle[2]; argc = parse_options(argc, argv, options, bench_mem_memcpy_usage, 0); - if (use_clock) - init_clock(); + if (use_cycle) + init_cycle(); len = (size_t)perf_atoll((char *)length_str); - result_clock[0] = result_clock[1] = 0ULL; + result_cycle[0] = result_cycle[1] = 0ULL; result_bps[0] = result_bps[1] = 0.0; if ((s64)len <= 0) { @@ -223,11 +223,11 @@ int bench_mem_memcpy(int argc, const char **argv, if (!only_prefault && !no_prefault) { /* show both of results */ - if (use_clock) { - result_clock[0] = - do_memcpy_clock(routines[i].fn, len, false); - result_clock[1] = - do_memcpy_clock(routines[i].fn, len, true); + if (use_cycle) { + result_cycle[0] = + do_memcpy_cycle(routines[i].fn, len, false); + result_cycle[1] = + do_memcpy_cycle(routines[i].fn, len, true); } else { result_bps[0] = do_memcpy_gettimeofday(routines[i].fn, @@ -237,9 +237,9 @@ int bench_mem_memcpy(int argc, const char **argv, len, true); } } else { - if (use_clock) { - result_clock[pf] = - do_memcpy_clock(routines[i].fn, + if (use_cycle) { + result_cycle[pf] = + do_memcpy_cycle(routines[i].fn, len, only_prefault); } else { result_bps[pf] = @@ -251,12 +251,12 @@ int bench_mem_memcpy(int argc, const char **argv, switch (bench_format) { case BENCH_FORMAT_DEFAULT: if (!only_prefault && !no_prefault) { - if (use_clock) { - printf(" %14lf Clock/Byte\n", - (double)result_clock[0] + if (use_cycle) { + printf(" %14lf Cycle/Byte\n", + (double)result_cycle[0] / (double)len); - printf(" %14lf Clock/Byte (with prefault)\n", - (double)result_clock[1] + printf(" %14lf Cycle/Byte (with prefault)\n", + (double)result_cycle[1] / (double)len); } else { print_bps(result_bps[0]); @@ -265,9 +265,9 @@ int bench_mem_memcpy(int argc, const char **argv, printf(" (with prefault)\n"); } } else { - if (use_clock) { - printf(" %14lf Clock/Byte", - (double)result_clock[pf] + if (use_cycle) { + printf(" %14lf Cycle/Byte", + (double)result_cycle[pf] / (double)len); } else print_bps(result_bps[pf]); @@ -277,17 +277,17 @@ int bench_mem_memcpy(int argc, const char **argv, break; case BENCH_FORMAT_SIMPLE: if (!only_prefault && !no_prefault) { - if (use_clock) { + if (use_cycle) { printf("%lf %lf\n", - (double)result_clock[0] / (double)len, - (double)result_clock[1] / (double)len); + (double)result_cycle[0] / (double)len, + (double)result_cycle[1] / (double)len); } else { printf("%lf %lf\n", result_bps[0], result_bps[1]); } } else { - if (use_clock) { - printf("%lf\n", (double)result_clock[pf] + if (use_cycle) { + printf("%lf\n", (double)result_cycle[pf] / (double)len); } else printf("%lf\n", result_bps[pf]); diff --git a/tools/perf/bench/mem-memset.c b/tools/perf/bench/mem-memset.c index e9079185bd72..350cc9557265 100644 --- a/tools/perf/bench/mem-memset.c +++ b/tools/perf/bench/mem-memset.c @@ -24,21 +24,21 @@ static const char *length_str = "1MB"; static const char *routine = "default"; static int iterations = 1; -static bool use_clock; -static int clock_fd; +static bool use_cycle; +static int cycle_fd; static bool only_prefault; static bool no_prefault; static const struct option options[] = { OPT_STRING('l', "length", &length_str, "1MB", - "Specify length of memory to copy. " - "available unit: B, MB, GB (upper and lower)"), + "Specify length of memory to set. " + "Available units: B, KB, MB, GB and TB (upper and lower)"), OPT_STRING('r', "routine", &routine, "default", - "Specify routine to copy"), + "Specify routine to set"), OPT_INTEGER('i', "iterations", &iterations, "repeat memset() invocation this number of times"), - OPT_BOOLEAN('c', "clock", &use_clock, - "Use CPU clock for measuring"), + OPT_BOOLEAN('c', "cycle", &use_cycle, + "Use cycles event instead of gettimeofday() for measuring"), OPT_BOOLEAN('o', "only-prefault", &only_prefault, "Show only the result with page faults before memset()"), OPT_BOOLEAN('n', "no-prefault", &no_prefault, @@ -76,27 +76,27 @@ static const char * const bench_mem_memset_usage[] = { NULL }; -static struct perf_event_attr clock_attr = { +static struct perf_event_attr cycle_attr = { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }; -static void init_clock(void) +static void init_cycle(void) { - clock_fd = sys_perf_event_open(&clock_attr, getpid(), -1, -1, 0); + cycle_fd = sys_perf_event_open(&cycle_attr, getpid(), -1, -1, 0); - if (clock_fd < 0 && errno == ENOSYS) + if (cycle_fd < 0 && errno == ENOSYS) die("No CONFIG_PERF_EVENTS=y kernel support configured?\n"); else - BUG_ON(clock_fd < 0); + BUG_ON(cycle_fd < 0); } -static u64 get_clock(void) +static u64 get_cycle(void) { int ret; u64 clk; - ret = read(clock_fd, &clk, sizeof(u64)); + ret = read(cycle_fd, &clk, sizeof(u64)); BUG_ON(ret != sizeof(u64)); return clk; @@ -115,9 +115,9 @@ static void alloc_mem(void **dst, size_t length) die("memory allocation failed - maybe length is too large?\n"); } -static u64 do_memset_clock(memset_t fn, size_t len, bool prefault) +static u64 do_memset_cycle(memset_t fn, size_t len, bool prefault) { - u64 clock_start = 0ULL, clock_end = 0ULL; + u64 cycle_start = 0ULL, cycle_end = 0ULL; void *dst = NULL; int i; @@ -126,13 +126,13 @@ static u64 do_memset_clock(memset_t fn, size_t len, bool prefault) if (prefault) fn(dst, -1, len); - clock_start = get_clock(); + cycle_start = get_cycle(); for (i = 0; i < iterations; ++i) fn(dst, i, len); - clock_end = get_clock(); + cycle_end = get_cycle(); free(dst); - return clock_end - clock_start; + return cycle_end - cycle_start; } static double do_memset_gettimeofday(memset_t fn, size_t len, bool prefault) @@ -176,17 +176,17 @@ int bench_mem_memset(int argc, const char **argv, int i; size_t len; double result_bps[2]; - u64 result_clock[2]; + u64 result_cycle[2]; argc = parse_options(argc, argv, options, bench_mem_memset_usage, 0); - if (use_clock) - init_clock(); + if (use_cycle) + init_cycle(); len = (size_t)perf_atoll((char *)length_str); - result_clock[0] = result_clock[1] = 0ULL; + result_cycle[0] = result_cycle[1] = 0ULL; result_bps[0] = result_bps[1] = 0.0; if ((s64)len <= 0) { @@ -217,11 +217,11 @@ int bench_mem_memset(int argc, const char **argv, if (!only_prefault && !no_prefault) { /* show both of results */ - if (use_clock) { - result_clock[0] = - do_memset_clock(routines[i].fn, len, false); - result_clock[1] = - do_memset_clock(routines[i].fn, len, true); + if (use_cycle) { + result_cycle[0] = + do_memset_cycle(routines[i].fn, len, false); + result_cycle[1] = + do_memset_cycle(routines[i].fn, len, true); } else { result_bps[0] = do_memset_gettimeofday(routines[i].fn, @@ -231,9 +231,9 @@ int bench_mem_memset(int argc, const char **argv, len, true); } } else { - if (use_clock) { - result_clock[pf] = - do_memset_clock(routines[i].fn, + if (use_cycle) { + result_cycle[pf] = + do_memset_cycle(routines[i].fn, len, only_prefault); } else { result_bps[pf] = @@ -245,12 +245,12 @@ int bench_mem_memset(int argc, const char **argv, switch (bench_format) { case BENCH_FORMAT_DEFAULT: if (!only_prefault && !no_prefault) { - if (use_clock) { - printf(" %14lf Clock/Byte\n", - (double)result_clock[0] + if (use_cycle) { + printf(" %14lf Cycle/Byte\n", + (double)result_cycle[0] / (double)len); - printf(" %14lf Clock/Byte (with prefault)\n ", - (double)result_clock[1] + printf(" %14lf Cycle/Byte (with prefault)\n ", + (double)result_cycle[1] / (double)len); } else { print_bps(result_bps[0]); @@ -259,9 +259,9 @@ int bench_mem_memset(int argc, const char **argv, printf(" (with prefault)\n"); } } else { - if (use_clock) { - printf(" %14lf Clock/Byte", - (double)result_clock[pf] + if (use_cycle) { + printf(" %14lf Cycle/Byte", + (double)result_cycle[pf] / (double)len); } else print_bps(result_bps[pf]); @@ -271,17 +271,17 @@ int bench_mem_memset(int argc, const char **argv, break; case BENCH_FORMAT_SIMPLE: if (!only_prefault && !no_prefault) { - if (use_clock) { + if (use_cycle) { printf("%lf %lf\n", - (double)result_clock[0] / (double)len, - (double)result_clock[1] / (double)len); + (double)result_cycle[0] / (double)len, + (double)result_cycle[1] / (double)len); } else { printf("%lf %lf\n", result_bps[0], result_bps[1]); } } else { - if (use_clock) { - printf("%lf\n", (double)result_clock[pf] + if (use_cycle) { + printf("%lf\n", (double)result_cycle[pf] / (double)len); } else printf("%lf\n", result_bps[pf]); diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c index b0e74ab2d7a2..1f3100216448 100644 --- a/tools/perf/builtin-bench.c +++ b/tools/perf/builtin-bench.c @@ -33,7 +33,7 @@ struct bench_suite { }; \ /* sentinel: easy for help */ -#define suite_all { "all", "test all suite (pseudo suite)", NULL } +#define suite_all { "all", "Test all benchmark suites", NULL } static struct bench_suite sched_suites[] = { { "messaging", @@ -75,7 +75,7 @@ static struct bench_subsys subsystems[] = { "memory access performance", mem_suites }, { "all", /* sentinel: easy for help */ - "test all subsystem (pseudo subsystem)", + "all benchmark subsystem", NULL }, { NULL, NULL, diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c index acd78dc28341..0dd5a058f766 100644 --- a/tools/perf/builtin-evlist.c +++ b/tools/perf/builtin-evlist.c @@ -60,7 +60,7 @@ static int __cmd_evlist(const char *input_name, struct perf_attr_details *detail list_for_each_entry(pos, &session->evlist->entries, node) { bool first = true; - printf("%s", event_name(pos)); + printf("%s", perf_evsel__name(pos)); if (details->verbose || details->freq) { comma_printf(&first, " sample_freq=%" PRIu64, diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 547af48deb4f..ce35015f2dc6 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -57,6 +57,11 @@ static unsigned long nr_allocs, nr_cross_allocs; #define PATH_SYS_NODE "/sys/devices/system/node" +struct perf_kmem { + struct perf_tool tool; + struct perf_session *session; +}; + static void init_cpunode_map(void) { FILE *fp; @@ -278,14 +283,16 @@ static void process_free_event(void *data, s_alloc->alloc_cpu = -1; } -static void process_raw_event(union perf_event *raw_event __used, void *data, +static void process_raw_event(struct perf_tool *tool, + union perf_event *raw_event __used, void *data, int cpu, u64 timestamp, struct thread *thread) { + struct perf_kmem *kmem = container_of(tool, struct perf_kmem, tool); struct event_format *event; int type; - type = trace_parse_common_type(data); - event = trace_find_event(type); + type = trace_parse_common_type(kmem->session->pevent, data); + event = pevent_find_event(kmem->session->pevent, type); if (!strcmp(event->name, "kmalloc") || !strcmp(event->name, "kmem_cache_alloc")) { @@ -306,7 +313,7 @@ static void process_raw_event(union perf_event *raw_event __used, void *data, } } -static int process_sample_event(struct perf_tool *tool __used, +static int process_sample_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel __used, @@ -322,16 +329,18 @@ static int process_sample_event(struct perf_tool *tool __used, dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); - process_raw_event(event, sample->raw_data, sample->cpu, + process_raw_event(tool, event, sample->raw_data, sample->cpu, sample->time, thread); return 0; } -static struct perf_tool perf_kmem = { - .sample = process_sample_event, - .comm = perf_event__process_comm, - .ordered_samples = true, +static struct perf_kmem perf_kmem = { + .tool = { + .sample = process_sample_event, + .comm = perf_event__process_comm, + .ordered_samples = true, + }, }; static double fragmentation(unsigned long n_req, unsigned long n_alloc) @@ -486,11 +495,15 @@ static void sort_result(void) static int __cmd_kmem(void) { int err = -EINVAL; - struct perf_session *session = perf_session__new(input_name, O_RDONLY, - 0, false, &perf_kmem); + struct perf_session *session; + + session = perf_session__new(input_name, O_RDONLY, 0, false, + &perf_kmem.tool); if (session == NULL) return -ENOMEM; + perf_kmem.session = session; + if (perf_session__create_kernel_maps(session) < 0) goto out_delete; @@ -498,7 +511,7 @@ static int __cmd_kmem(void) goto out_delete; setup_pager(); - err = perf_session__process_events(session, &perf_kmem); + err = perf_session__process_events(session, &perf_kmem.tool); if (err != 0) goto out_delete; sort_result(); diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index fd53319de20d..b3c428548868 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -724,8 +724,8 @@ process_raw_event(void *data, int cpu, u64 timestamp, struct thread *thread) struct event_format *event; int type; - type = trace_parse_common_type(data); - event = trace_find_event(type); + type = trace_parse_common_type(session->pevent, data); + event = pevent_find_event(session->pevent, type); if (!strcmp(event->name, "lock_acquire")) process_lock_acquire_event(data, event, cpu, timestamp, thread); diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index f95840d04e4c..f5a6452931e6 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -265,7 +265,7 @@ try_again: if (err == ENOENT) { ui__error("The %s event is not supported.\n", - event_name(pos)); + perf_evsel__name(pos)); exit(EXIT_FAILURE); } @@ -916,7 +916,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) usage_with_options(record_usage, record_options); list_for_each_entry(pos, &evsel_list->entries, node) { - if (perf_header__push_event(pos->attr.config, event_name(pos))) + if (perf_header__push_event(pos->attr.config, perf_evsel__name(pos))) goto out_free_fd; } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 25249f76329d..69b1c1185159 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -69,7 +69,7 @@ static int perf_report__add_branch_hist_entry(struct perf_tool *tool, if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, + err = machine__resolve_callchain(machine, al->thread, sample->callchain, &parent); if (err) return err; @@ -140,7 +140,7 @@ static int perf_evsel__add_hist_entry(struct perf_evsel *evsel, struct hist_entry *he; if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, + err = machine__resolve_callchain(machine, al->thread, sample->callchain, &parent); if (err) return err; @@ -230,7 +230,7 @@ static int process_read_event(struct perf_tool *tool, struct perf_report *rep = container_of(tool, struct perf_report, tool); if (rep->show_threads) { - const char *name = evsel ? event_name(evsel) : "unknown"; + const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; perf_read_values_add_value(&rep->show_threads_values, event->read.pid, event->read.tid, event->read.id, @@ -239,17 +239,18 @@ static int process_read_event(struct perf_tool *tool, } dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, - evsel ? event_name(evsel) : "FAIL", + evsel ? perf_evsel__name(evsel) : "FAIL", event->read.value); return 0; } +/* For pipe mode, sample_type is not currently set */ static int perf_report__setup_sample_type(struct perf_report *rep) { struct perf_session *self = rep->session; - if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) { + if (!self->fd_pipe && !(self->sample_type & PERF_SAMPLE_CALLCHAIN)) { if (sort__has_parent) { ui__error("Selected --sort parent, but no " "callchain data. Did you call " @@ -272,7 +273,8 @@ static int perf_report__setup_sample_type(struct perf_report *rep) } if (sort__branch_mode == 1) { - if (!(self->sample_type & PERF_SAMPLE_BRANCH_STACK)) { + if (!self->fd_pipe && + !(self->sample_type & PERF_SAMPLE_BRANCH_STACK)) { ui__error("Selected -b but no branch data. " "Did you call perf record without -b?\n"); return -1; @@ -314,7 +316,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, list_for_each_entry(pos, &evlist->entries, node) { struct hists *hists = &pos->hists; - const char *evname = event_name(pos); + const char *evname = perf_evsel__name(pos); hists__fprintf_nr_sample_events(hists, evname, stdout); hists__fprintf(hists, NULL, false, true, 0, 0, stdout); diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index b125e07eb399..7a9ad2b1ee76 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -43,6 +43,11 @@ static u64 sleep_measurement_overhead; static unsigned long nr_tasks; +struct perf_sched { + struct perf_tool tool; + struct perf_session *session; +}; + struct sched_atom; struct task_desc { @@ -1597,11 +1602,13 @@ static int perf_sched__process_tracepoint_sample(struct perf_tool *tool, struct perf_evsel *evsel, struct machine *machine) { + struct perf_sched *sched = container_of(tool, struct perf_sched, tool); + struct pevent *pevent = sched->session->pevent; struct thread *thread = machine__findnew_thread(machine, sample->pid); if (thread == NULL) { pr_debug("problem processing %s event, skipping it.\n", - evsel->name); + perf_evsel__name(evsel)); return -1; } @@ -1612,7 +1619,8 @@ static int perf_sched__process_tracepoint_sample(struct perf_tool *tool, tracepoint_handler f = evsel->handler.func; if (evsel->handler.data == NULL) - evsel->handler.data = trace_find_event(evsel->attr.config); + evsel->handler.data = pevent_find_event(pevent, + evsel->attr.config); f(tool, evsel->handler.data, sample, machine, thread); } @@ -1620,12 +1628,14 @@ static int perf_sched__process_tracepoint_sample(struct perf_tool *tool, return 0; } -static struct perf_tool perf_sched = { - .sample = perf_sched__process_tracepoint_sample, - .comm = perf_event__process_comm, - .lost = perf_event__process_lost, - .fork = perf_event__process_task, - .ordered_samples = true, +static struct perf_sched perf_sched = { + .tool = { + .sample = perf_sched__process_tracepoint_sample, + .comm = perf_event__process_comm, + .lost = perf_event__process_lost, + .fork = perf_event__process_task, + .ordered_samples = true, + }, }; static void read_events(bool destroy, struct perf_session **psession) @@ -1640,16 +1650,20 @@ static void read_events(bool destroy, struct perf_session **psession) { "sched:sched_process_exit", process_sched_exit_event, }, { "sched:sched_migrate_task", process_sched_migrate_task_event, }, }; - struct perf_session *session = perf_session__new(input_name, O_RDONLY, - 0, false, &perf_sched); + struct perf_session *session; + + session = perf_session__new(input_name, O_RDONLY, 0, false, + &perf_sched.tool); if (session == NULL) die("No Memory"); - err = perf_evlist__set_tracepoints_handlers_array(session->evlist, handlers); + perf_sched.session = session; + + err = perf_session__set_tracepoints_handlers(session, handlers); assert(err == 0); if (perf_session__has_traces(session, "record -R")) { - err = perf_session__process_events(session, &perf_sched); + err = perf_session__process_events(session, &perf_sched.tool); if (err) die("Failed to process events, error %d", err); diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 8e395a538eb9..1e60ab70b2b1 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -28,6 +28,11 @@ static bool system_wide; static const char *cpu_list; static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); +struct perf_script { + struct perf_tool tool; + struct perf_session *session; +}; + enum perf_output_field { PERF_OUTPUT_COMM = 1U << 0, PERF_OUTPUT_TID = 1U << 1, @@ -137,10 +142,11 @@ static const char *output_field2str(enum perf_output_field field) #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) -static int perf_event_attr__check_stype(struct perf_event_attr *attr, - u64 sample_type, const char *sample_msg, - enum perf_output_field field) +static int perf_evsel__check_stype(struct perf_evsel *evsel, + u64 sample_type, const char *sample_msg, + enum perf_output_field field) { + struct perf_event_attr *attr = &evsel->attr; int type = attr->type; const char *evname; @@ -148,7 +154,7 @@ static int perf_event_attr__check_stype(struct perf_event_attr *attr, return 0; if (output[type].user_set) { - evname = __event_name(attr->type, attr->config); + evname = perf_evsel__name(evsel); pr_err("Samples for '%s' event do not have %s attribute set. " "Cannot print '%s' field.\n", evname, sample_msg, output_field2str(field)); @@ -157,7 +163,7 @@ static int perf_event_attr__check_stype(struct perf_event_attr *attr, /* user did not ask for it explicitly so remove from the default list */ output[type].fields &= ~field; - evname = __event_name(attr->type, attr->config); + evname = perf_evsel__name(evsel); pr_debug("Samples for '%s' event do not have %s attribute set. " "Skipping '%s' field.\n", evname, sample_msg, output_field2str(field)); @@ -175,8 +181,8 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel, return -EINVAL; if (PRINT_FIELD(IP)) { - if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP", - PERF_OUTPUT_IP)) + if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", + PERF_OUTPUT_IP)) return -EINVAL; if (!no_callchain && @@ -185,8 +191,8 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel, } if (PRINT_FIELD(ADDR) && - perf_event_attr__check_stype(attr, PERF_SAMPLE_ADDR, "ADDR", - PERF_OUTPUT_ADDR)) + perf_evsel__check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", + PERF_OUTPUT_ADDR)) return -EINVAL; if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { @@ -208,18 +214,18 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel, } if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && - perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID", - PERF_OUTPUT_TID|PERF_OUTPUT_PID)) + perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", + PERF_OUTPUT_TID|PERF_OUTPUT_PID)) return -EINVAL; if (PRINT_FIELD(TIME) && - perf_event_attr__check_stype(attr, PERF_SAMPLE_TIME, "TIME", - PERF_OUTPUT_TIME)) + perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", + PERF_OUTPUT_TIME)) return -EINVAL; if (PRINT_FIELD(CPU) && - perf_event_attr__check_stype(attr, PERF_SAMPLE_CPU, "CPU", - PERF_OUTPUT_CPU)) + perf_evsel__check_stype(evsel, PERF_SAMPLE_CPU, "CPU", + PERF_OUTPUT_CPU)) return -EINVAL; return 0; @@ -256,11 +262,13 @@ static int perf_session__check_output_opt(struct perf_session *session) return 0; } -static void print_sample_start(struct perf_sample *sample, +static void print_sample_start(struct pevent *pevent, + struct perf_sample *sample, struct thread *thread, - struct perf_event_attr *attr) + struct perf_evsel *evsel) { int type; + struct perf_event_attr *attr = &evsel->attr; struct event_format *event; const char *evname = NULL; unsigned long secs; @@ -300,12 +308,18 @@ static void print_sample_start(struct perf_sample *sample, if (PRINT_FIELD(EVNAME)) { if (attr->type == PERF_TYPE_TRACEPOINT) { - type = trace_parse_common_type(sample->raw_data); - event = trace_find_event(type); + /* + * XXX Do we really need this here? + * perf_evlist__set_tracepoint_names should have done + * this already + */ + type = trace_parse_common_type(pevent, + sample->raw_data); + event = pevent_find_event(pevent, type); if (event) evname = event->name; } else - evname = __event_name(attr->type, attr->config); + evname = perf_evsel__name(evsel); printf("%s: ", evname ? evname : "[unknown]"); } @@ -387,7 +401,7 @@ static void print_sample_bts(union perf_event *event, printf(" "); else printf("\n"); - perf_event__print_ip(event, sample, machine, evsel, + perf_event__print_ip(event, sample, machine, PRINT_FIELD(SYM), PRINT_FIELD(DSO), PRINT_FIELD(SYMOFFSET)); } @@ -402,6 +416,7 @@ static void print_sample_bts(union perf_event *event, } static void process_event(union perf_event *event __unused, + struct pevent *pevent, struct perf_sample *sample, struct perf_evsel *evsel, struct machine *machine, @@ -412,7 +427,7 @@ static void process_event(union perf_event *event __unused, if (output[attr->type].fields == 0) return; - print_sample_start(sample, thread, attr); + print_sample_start(pevent, sample, thread, evsel); if (is_bts_event(attr)) { print_sample_bts(event, sample, evsel, machine, thread); @@ -420,7 +435,7 @@ static void process_event(union perf_event *event __unused, } if (PRINT_FIELD(TRACE)) - print_trace_event(sample->cpu, sample->raw_data, + print_trace_event(pevent, sample->cpu, sample->raw_data, sample->raw_size); if (PRINT_FIELD(ADDR)) @@ -431,7 +446,7 @@ static void process_event(union perf_event *event __unused, printf(" "); else printf("\n"); - perf_event__print_ip(event, sample, machine, evsel, + perf_event__print_ip(event, sample, machine, PRINT_FIELD(SYM), PRINT_FIELD(DSO), PRINT_FIELD(SYMOFFSET)); } @@ -451,7 +466,8 @@ static int default_stop_script(void) return 0; } -static int default_generate_script(const char *outfile __unused) +static int default_generate_script(struct pevent *pevent __unused, + const char *outfile __unused) { return 0; } @@ -489,6 +505,7 @@ static int process_sample_event(struct perf_tool *tool __used, struct machine *machine) { struct addr_location al; + struct perf_script *scr = container_of(tool, struct perf_script, tool); struct thread *thread = machine__findnew_thread(machine, event->ip.tid); if (thread == NULL) { @@ -520,24 +537,27 @@ static int process_sample_event(struct perf_tool *tool __used, if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) return 0; - scripting_ops->process_event(event, sample, evsel, machine, thread); + scripting_ops->process_event(event, scr->session->pevent, + sample, evsel, machine, thread); evsel->hists.stats.total_period += sample->period; return 0; } -static struct perf_tool perf_script = { - .sample = process_sample_event, - .mmap = perf_event__process_mmap, - .comm = perf_event__process_comm, - .exit = perf_event__process_task, - .fork = perf_event__process_task, - .attr = perf_event__process_attr, - .event_type = perf_event__process_event_type, - .tracing_data = perf_event__process_tracing_data, - .build_id = perf_event__process_build_id, - .ordered_samples = true, - .ordering_requires_timestamps = true, +static struct perf_script perf_script = { + .tool = { + .sample = process_sample_event, + .mmap = perf_event__process_mmap, + .comm = perf_event__process_comm, + .exit = perf_event__process_task, + .fork = perf_event__process_task, + .attr = perf_event__process_attr, + .event_type = perf_event__process_event_type, + .tracing_data = perf_event__process_tracing_data, + .build_id = perf_event__process_build_id, + .ordered_samples = true, + .ordering_requires_timestamps = true, + }, }; extern volatile int session_done; @@ -553,7 +573,7 @@ static int __cmd_script(struct perf_session *session) signal(SIGINT, sig_handler); - ret = perf_session__process_events(session, &perf_script); + ret = perf_session__process_events(session, &perf_script.tool); if (debug_mode) pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); @@ -1335,10 +1355,13 @@ int cmd_script(int argc, const char **argv, const char *prefix __used) if (!script_name) setup_pager(); - session = perf_session__new(input_name, O_RDONLY, 0, false, &perf_script); + session = perf_session__new(input_name, O_RDONLY, 0, false, + &perf_script.tool); if (session == NULL) return -ENOMEM; + perf_script.session = session; + if (cpu_list) { if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) return -1; @@ -1384,7 +1407,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __used) return -1; } - err = scripting_ops->generate_script("perf-script"); + err = scripting_ops->generate_script(session->pevent, + "perf-script"); goto out; } diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 07b5c7703dd1..861f0aec77ae 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -391,7 +391,7 @@ static int read_counter_aggr(struct perf_evsel *counter) if (verbose) { fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", - event_name(counter), count[0], count[1], count[2]); + perf_evsel__name(counter), count[0], count[1], count[2]); } /* @@ -496,7 +496,7 @@ static int run_perf_stat(int argc __used, const char **argv) errno == ENXIO) { if (verbose) ui__warning("%s event is not supported by the kernel.\n", - event_name(counter)); + perf_evsel__name(counter)); counter->supported = false; continue; } @@ -594,7 +594,7 @@ static void nsec_printout(int cpu, struct perf_evsel *evsel, double avg) csv_output ? 0 : -4, evsel_list->cpus->map[cpu], csv_sep); - fprintf(output, fmt, cpustr, msecs, csv_sep, event_name(evsel)); + fprintf(output, fmt, cpustr, msecs, csv_sep, perf_evsel__name(evsel)); if (evsel->cgrp) fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); @@ -792,7 +792,7 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg) else cpu = 0; - fprintf(output, fmt, cpustr, avg, csv_sep, event_name(evsel)); + fprintf(output, fmt, cpustr, avg, csv_sep, perf_evsel__name(evsel)); if (evsel->cgrp) fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); @@ -908,7 +908,7 @@ static void print_counter_aggr(struct perf_evsel *counter) counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, csv_sep, csv_output ? 0 : -24, - event_name(counter)); + perf_evsel__name(counter)); if (counter->cgrp) fprintf(output, "%s%s", csv_sep, counter->cgrp->name); @@ -961,7 +961,7 @@ static void print_counter(struct perf_evsel *counter) counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, csv_sep, csv_output ? 0 : -24, - event_name(counter)); + perf_evsel__name(counter)); if (counter->cgrp) fprintf(output, "%s%s", diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c index 5a8727c08757..5ce30305462b 100644 --- a/tools/perf/builtin-test.c +++ b/tools/perf/builtin-test.c @@ -583,7 +583,7 @@ static int test__basic_mmap(void) if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) { pr_debug("expected %d %s events, got %d\n", expected_nr_events[evsel->idx], - event_name(evsel), nr_events[evsel->idx]); + perf_evsel__name(evsel), nr_events[evsel->idx]); goto out_munmap; } } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 6bb0277b7dfe..e3cab5f088f8 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -245,7 +245,7 @@ static void perf_top__show_details(struct perf_top *top) if (notes->src == NULL) goto out_unlock; - printf("Showing %s for %s\n", event_name(top->sym_evsel), symbol->name); + printf("Showing %s for %s\n", perf_evsel__name(top->sym_evsel), symbol->name); printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter); more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel->idx, @@ -408,7 +408,7 @@ static void perf_top__print_mapped_keys(struct perf_top *top) fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries); if (top->evlist->nr_entries > 1) - fprintf(stdout, "\t[E] active event counter. \t(%s)\n", event_name(top->sym_evsel)); + fprintf(stdout, "\t[E] active event counter. \t(%s)\n", perf_evsel__name(top->sym_evsel)); fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter); @@ -503,13 +503,13 @@ static void perf_top__handle_keypress(struct perf_top *top, int c) fprintf(stderr, "\nAvailable events:"); list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) - fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, event_name(top->sym_evsel)); + fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel)); prompt_integer(&counter, "Enter details event counter"); if (counter >= top->evlist->nr_entries) { top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node); - fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(top->sym_evsel)); + fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel)); sleep(1); break; } @@ -774,7 +774,7 @@ static void perf_event__process_sample(struct perf_tool *tool, if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al.thread, + err = machine__resolve_callchain(machine, al.thread, sample->callchain, &parent); if (err) return; @@ -960,7 +960,7 @@ try_again: if (err == ENOENT) { ui__error("The %s event is not supported.\n", - event_name(counter)); + perf_evsel__name(counter)); goto out_err; } else if (err == EMFILE) { ui__error("Too many events are opened.\n" diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak index d9084e03ce56..6c18785a6417 100644 --- a/tools/perf/config/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -78,6 +78,19 @@ int main(int argc, char *argv[]) return 0; } endef + +define SOURCE_GTK2_INFOBAR +#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" +#include <gtk/gtk.h> +#pragma GCC diagnostic error \"-Wstrict-prototypes\" + +int main(void) +{ + gtk_info_bar_new(); + + return 0; +} +endef endif ifndef NO_LIBPERL diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 34b1c46eaf42..67a2703e666a 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -814,7 +814,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, { struct disasm_line *pos, *n; struct annotation *notes; - const size_t size = symbol__size(sym); + size_t size; struct map_symbol ms = { .map = map, .sym = sym, @@ -834,6 +834,8 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, if (sym == NULL) return -1; + size = symbol__size(sym); + if (map->dso->annotate_warned) return -1; diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 53f6697d014e..482f0517b61e 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -23,6 +23,7 @@ struct hist_browser { struct hists *hists; struct hist_entry *he_selection; struct map_symbol *selection; + int print_seq; bool has_symbols; }; @@ -800,6 +801,196 @@ do_offset: } } +static int hist_browser__fprintf_callchain_node_rb_tree(struct hist_browser *browser, + struct callchain_node *chain_node, + u64 total, int level, + FILE *fp) +{ + struct rb_node *node; + int offset = level * LEVEL_OFFSET_STEP; + u64 new_total, remaining; + int printed = 0; + + if (callchain_param.mode == CHAIN_GRAPH_REL) + new_total = chain_node->children_hit; + else + new_total = total; + + remaining = new_total; + node = rb_first(&chain_node->rb_root); + while (node) { + struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); + struct rb_node *next = rb_next(node); + u64 cumul = callchain_cumul_hits(child); + struct callchain_list *chain; + char folded_sign = ' '; + int first = true; + int extra_offset = 0; + + remaining -= cumul; + + list_for_each_entry(chain, &child->val, list) { + char ipstr[BITS_PER_LONG / 4 + 1], *alloc_str; + const char *str; + bool was_first = first; + + if (first) + first = false; + else + extra_offset = LEVEL_OFFSET_STEP; + + folded_sign = callchain_list__folded(chain); + + alloc_str = NULL; + str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr)); + if (was_first) { + double percent = cumul * 100.0 / new_total; + + if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0) + str = "Not enough memory!"; + else + str = alloc_str; + } + + printed += fprintf(fp, "%*s%c %s\n", offset + extra_offset, " ", folded_sign, str); + free(alloc_str); + if (folded_sign == '+') + break; + } + + if (folded_sign == '-') { + const int new_level = level + (extra_offset ? 2 : 1); + printed += hist_browser__fprintf_callchain_node_rb_tree(browser, child, new_total, + new_level, fp); + } + + node = next; + } + + return printed; +} + +static int hist_browser__fprintf_callchain_node(struct hist_browser *browser, + struct callchain_node *node, + int level, FILE *fp) +{ + struct callchain_list *chain; + int offset = level * LEVEL_OFFSET_STEP; + char folded_sign = ' '; + int printed = 0; + + list_for_each_entry(chain, &node->val, list) { + char ipstr[BITS_PER_LONG / 4 + 1], *s; + + folded_sign = callchain_list__folded(chain); + s = callchain_list__sym_name(chain, ipstr, sizeof(ipstr)); + printed += fprintf(fp, "%*s%c %s\n", offset, " ", folded_sign, s); + } + + if (folded_sign == '-') + printed += hist_browser__fprintf_callchain_node_rb_tree(browser, node, + browser->hists->stats.total_period, + level + 1, fp); + return printed; +} + +static int hist_browser__fprintf_callchain(struct hist_browser *browser, + struct rb_root *chain, int level, FILE *fp) +{ + struct rb_node *nd; + int printed = 0; + + for (nd = rb_first(chain); nd; nd = rb_next(nd)) { + struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); + + printed += hist_browser__fprintf_callchain_node(browser, node, level, fp); + } + + return printed; +} + +static int hist_browser__fprintf_entry(struct hist_browser *browser, + struct hist_entry *he, FILE *fp) +{ + char s[8192]; + double percent; + int printed = 0; + char folded_sign = ' '; + + if (symbol_conf.use_callchain) + folded_sign = hist_entry__folded(he); + + hist_entry__snprintf(he, s, sizeof(s), browser->hists); + percent = (he->period * 100.0) / browser->hists->stats.total_period; + + if (symbol_conf.use_callchain) + printed += fprintf(fp, "%c ", folded_sign); + + printed += fprintf(fp, " %5.2f%%", percent); + + if (symbol_conf.show_nr_samples) + printed += fprintf(fp, " %11u", he->nr_events); + + if (symbol_conf.show_total_period) + printed += fprintf(fp, " %12" PRIu64, he->period); + + printed += fprintf(fp, "%s\n", rtrim(s)); + + if (folded_sign == '-') + printed += hist_browser__fprintf_callchain(browser, &he->sorted_chain, 1, fp); + + return printed; +} + +static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp) +{ + struct rb_node *nd = hists__filter_entries(rb_first(browser->b.entries)); + int printed = 0; + + while (nd) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + + printed += hist_browser__fprintf_entry(browser, h, fp); + nd = hists__filter_entries(rb_next(nd)); + } + + return printed; +} + +static int hist_browser__dump(struct hist_browser *browser) +{ + char filename[64]; + FILE *fp; + + while (1) { + scnprintf(filename, sizeof(filename), "perf.hist.%d", browser->print_seq); + if (access(filename, F_OK)) + break; + /* + * XXX: Just an arbitrary lazy upper limit + */ + if (++browser->print_seq == 8192) { + ui_helpline__fpush("Too many perf.hist.N files, nothing written!"); + return -1; + } + } + + fp = fopen(filename, "w"); + if (fp == NULL) { + char bf[64]; + strerror_r(errno, bf, sizeof(bf)); + ui_helpline__fpush("Couldn't write to %s: %s", filename, bf); + return -1; + } + + ++browser->print_seq; + hist_browser__fprintf(browser, fp); + fclose(fp); + ui_helpline__fpush("%s written!", filename); + + return 0; +} + static struct hist_browser *hist_browser__new(struct hists *hists) { struct hist_browser *browser = zalloc(sizeof(*browser)); @@ -937,6 +1128,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, browser->selection->map->dso->annotate_warned) continue; goto do_annotate; + case 'P': + hist_browser__dump(browser); + continue; case 'd': goto zoom_dso; case 't': @@ -969,6 +1163,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, "E Expand all callchains\n" "d Zoom into current DSO\n" "t Zoom into current Thread\n" + "P Print histograms to perf.hist.N\n" "/ Filter symbol by name"); continue; case K_ENTER: @@ -1172,7 +1367,7 @@ static void perf_evsel_menu__write(struct ui_browser *browser, struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node); bool current_entry = ui_browser__is_current_entry(browser, row); unsigned long nr_events = evsel->hists.stats.nr_events[PERF_RECORD_SAMPLE]; - const char *ev_name = event_name(evsel); + const char *ev_name = perf_evsel__name(evsel); char bf[256], unit; const char *warn = " "; size_t printed; @@ -1240,7 +1435,7 @@ browse_hists: */ if (timer) timer(arg); - ev_name = event_name(pos); + ev_name = perf_evsel__name(pos); key = perf_evsel__hists_browse(pos, nr_events, help, ev_name, true, timer, arg, delay_secs); @@ -1309,17 +1504,11 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, ui_helpline__push("Press ESC to exit"); list_for_each_entry(pos, &evlist->entries, node) { - const char *ev_name = event_name(pos); + const char *ev_name = perf_evsel__name(pos); size_t line_len = strlen(ev_name) + 7; if (menu.b.width < line_len) menu.b.width = line_len; - /* - * Cache the evsel name, tracepoints have a _high_ cost per - * event_name() call. - */ - if (pos->name == NULL) - pos->name = strdup(ev_name); } return perf_evsel_menu__run(&menu, evlist->nr_entries, help, timer, @@ -1330,11 +1519,10 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, void(*timer)(void *arg), void *arg, int delay_secs) { - if (evlist->nr_entries == 1) { struct perf_evsel *first = list_entry(evlist->entries.next, struct perf_evsel, node); - const char *ev_name = event_name(first); + const char *ev_name = perf_evsel__name(first); return perf_evsel__hists_browse(first, evlist->nr_entries, help, ev_name, false, timer, arg, delay_secs); diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c index 0656c381a89c..ec12e0b4ded6 100644 --- a/tools/perf/ui/gtk/browser.c +++ b/tools/perf/ui/gtk/browser.c @@ -11,8 +11,8 @@ static void perf_gtk__signal(int sig) { + perf_gtk__exit(false); psignal(sig, "perf"); - gtk_main_quit(); } static void perf_gtk__resize_window(GtkWidget *window) @@ -122,13 +122,59 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists) gtk_container_add(GTK_CONTAINER(window), view); } +#ifdef HAVE_GTK_INFO_BAR +static GtkWidget *perf_gtk__setup_info_bar(void) +{ + GtkWidget *info_bar; + GtkWidget *label; + GtkWidget *content_area; + + info_bar = gtk_info_bar_new(); + gtk_widget_set_no_show_all(info_bar, TRUE); + + label = gtk_label_new(""); + gtk_widget_show(label); + + content_area = gtk_info_bar_get_content_area(GTK_INFO_BAR(info_bar)); + gtk_container_add(GTK_CONTAINER(content_area), label); + + gtk_info_bar_add_button(GTK_INFO_BAR(info_bar), GTK_STOCK_OK, + GTK_RESPONSE_OK); + g_signal_connect(info_bar, "response", + G_CALLBACK(gtk_widget_hide), NULL); + + pgctx->info_bar = info_bar; + pgctx->message_label = label; + + return info_bar; +} +#endif + +static GtkWidget *perf_gtk__setup_statusbar(void) +{ + GtkWidget *stbar; + unsigned ctxid; + + stbar = gtk_statusbar_new(); + + ctxid = gtk_statusbar_get_context_id(GTK_STATUSBAR(stbar), + "perf report"); + pgctx->statbar = stbar; + pgctx->statbar_ctx_id = ctxid; + + return stbar; +} + int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help __used, void (*timer) (void *arg)__used, void *arg __used, int delay_secs __used) { struct perf_evsel *pos; + GtkWidget *vbox; GtkWidget *notebook; + GtkWidget *info_bar; + GtkWidget *statbar; GtkWidget *window; signal(SIGSEGV, perf_gtk__signal); @@ -143,11 +189,17 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, g_signal_connect(window, "delete_event", gtk_main_quit, NULL); + pgctx = perf_gtk__activate_context(window); + if (!pgctx) + return -1; + + vbox = gtk_vbox_new(FALSE, 0); + notebook = gtk_notebook_new(); list_for_each_entry(pos, &evlist->entries, node) { struct hists *hists = &pos->hists; - const char *evname = event_name(pos); + const char *evname = perf_evsel__name(pos); GtkWidget *scrolled_window; GtkWidget *tab_label; @@ -164,7 +216,16 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label); } - gtk_container_add(GTK_CONTAINER(window), notebook); + gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0); + + info_bar = perf_gtk__setup_info_bar(); + if (info_bar) + gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0); + + statbar = perf_gtk__setup_statusbar(); + gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0); + + gtk_container_add(GTK_CONTAINER(window), vbox); gtk_widget_show_all(window); @@ -174,5 +235,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, gtk_main(); + perf_gtk__deactivate_context(&pgctx); + return 0; } diff --git a/tools/perf/ui/gtk/gtk.h b/tools/perf/ui/gtk/gtk.h index 75177ee04032..a4d0f2b4a2dc 100644 --- a/tools/perf/ui/gtk/gtk.h +++ b/tools/perf/ui/gtk/gtk.h @@ -1,8 +1,39 @@ #ifndef _PERF_GTK_H_ #define _PERF_GTK_H_ 1 +#include <stdbool.h> + #pragma GCC diagnostic ignored "-Wstrict-prototypes" #include <gtk/gtk.h> #pragma GCC diagnostic error "-Wstrict-prototypes" + +struct perf_gtk_context { + GtkWidget *main_window; + +#ifdef HAVE_GTK_INFO_BAR + GtkWidget *info_bar; + GtkWidget *message_label; +#endif + GtkWidget *statbar; + guint statbar_ctx_id; +}; + +extern struct perf_gtk_context *pgctx; + +static inline bool perf_gtk__is_active_context(struct perf_gtk_context *ctx) +{ + return ctx && ctx->main_window; +} + +struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window); +int perf_gtk__deactivate_context(struct perf_gtk_context **ctx); + +#ifndef HAVE_GTK_INFO_BAR +static inline GtkWidget *perf_gtk__setup_info_bar(void) +{ + return NULL; +} +#endif + #endif /* _PERF_GTK_H_ */ diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c index 829529957766..92879ce61e2f 100644 --- a/tools/perf/ui/gtk/setup.c +++ b/tools/perf/ui/gtk/setup.c @@ -1,12 +1,17 @@ #include "gtk.h" #include "../../util/cache.h" +#include "../../util/debug.h" + +extern struct perf_error_ops perf_gtk_eops; int perf_gtk__init(void) { + perf_error__register(&perf_gtk_eops); return gtk_init_check(NULL, NULL) ? 0 : -1; } void perf_gtk__exit(bool wait_for_ok __used) { + perf_error__unregister(&perf_gtk_eops); gtk_main_quit(); } diff --git a/tools/perf/ui/gtk/util.c b/tools/perf/ui/gtk/util.c new file mode 100644 index 000000000000..0ead373c0dfb --- /dev/null +++ b/tools/perf/ui/gtk/util.c @@ -0,0 +1,129 @@ +#include "../util.h" +#include "../../util/debug.h" +#include "gtk.h" + +#include <string.h> + + +struct perf_gtk_context *pgctx; + +struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window) +{ + struct perf_gtk_context *ctx; + + ctx = malloc(sizeof(*pgctx)); + if (ctx) + ctx->main_window = window; + + return ctx; +} + +int perf_gtk__deactivate_context(struct perf_gtk_context **ctx) +{ + if (!perf_gtk__is_active_context(*ctx)) + return -1; + + free(*ctx); + *ctx = NULL; + return 0; +} + +static int perf_gtk__error(const char *format, va_list args) +{ + char *msg; + GtkWidget *dialog; + + if (!perf_gtk__is_active_context(pgctx) || + vasprintf(&msg, format, args) < 0) { + fprintf(stderr, "Error:\n"); + vfprintf(stderr, format, args); + fprintf(stderr, "\n"); + return -1; + } + + dialog = gtk_message_dialog_new_with_markup(GTK_WINDOW(pgctx->main_window), + GTK_DIALOG_DESTROY_WITH_PARENT, + GTK_MESSAGE_ERROR, + GTK_BUTTONS_CLOSE, + "<b>Error</b>\n\n%s", msg); + gtk_dialog_run(GTK_DIALOG(dialog)); + + gtk_widget_destroy(dialog); + free(msg); + return 0; +} + +#ifdef HAVE_GTK_INFO_BAR +static int perf_gtk__warning_info_bar(const char *format, va_list args) +{ + char *msg; + + if (!perf_gtk__is_active_context(pgctx) || + vasprintf(&msg, format, args) < 0) { + fprintf(stderr, "Warning:\n"); + vfprintf(stderr, format, args); + fprintf(stderr, "\n"); + return -1; + } + + gtk_label_set_text(GTK_LABEL(pgctx->message_label), msg); + gtk_info_bar_set_message_type(GTK_INFO_BAR(pgctx->info_bar), + GTK_MESSAGE_WARNING); + gtk_widget_show(pgctx->info_bar); + + free(msg); + return 0; +} +#else +static int perf_gtk__warning_statusbar(const char *format, va_list args) +{ + char *msg, *p; + + if (!perf_gtk__is_active_context(pgctx) || + vasprintf(&msg, format, args) < 0) { + fprintf(stderr, "Warning:\n"); + vfprintf(stderr, format, args); + fprintf(stderr, "\n"); + return -1; + } + + gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar), + pgctx->statbar_ctx_id); + + /* Only first line can be displayed */ + p = strchr(msg, '\n'); + if (p) + *p = '\0'; + + gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar), + pgctx->statbar_ctx_id, msg); + + free(msg); + return 0; +} +#endif + +struct perf_error_ops perf_gtk_eops = { + .error = perf_gtk__error, +#ifdef HAVE_GTK_INFO_BAR + .warning = perf_gtk__warning_info_bar, +#else + .warning = perf_gtk__warning_statusbar, +#endif +}; + +/* + * FIXME: Functions below should be implemented properly. + * For now, just add stubs for NO_NEWT=1 build. + */ +#ifdef NO_NEWT_SUPPORT +int ui_helpline__show_help(const char *format __used, va_list ap __used) +{ + return 0; +} + +void ui_progress__update(u64 curr __used, u64 total __used, + const char *title __used) +{ +} +#endif diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c index d33e943ac434..e813c1d17346 100644 --- a/tools/perf/ui/tui/setup.c +++ b/tools/perf/ui/tui/setup.c @@ -15,6 +15,8 @@ pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER; static volatile int ui__need_resize; +extern struct perf_error_ops perf_tui_eops; + void ui__refresh_dimensions(bool force) { if (force || ui__need_resize) { @@ -122,6 +124,8 @@ int ui__init(void) signal(SIGINT, ui__signal); signal(SIGQUIT, ui__signal); signal(SIGTERM, ui__signal); + + perf_error__register(&perf_tui_eops); out: return err; } @@ -137,4 +141,6 @@ void ui__exit(bool wait_for_ok) SLsmg_refresh(); SLsmg_reset_smg(); SLang_reset_tty(); + + perf_error__unregister(&perf_tui_eops); } diff --git a/tools/perf/ui/tui/util.c b/tools/perf/ui/tui/util.c new file mode 100644 index 000000000000..092902e30cee --- /dev/null +++ b/tools/perf/ui/tui/util.c @@ -0,0 +1,243 @@ +#include "../../util/util.h" +#include <signal.h> +#include <stdbool.h> +#include <string.h> +#include <sys/ttydefaults.h> + +#include "../../util/cache.h" +#include "../../util/debug.h" +#include "../browser.h" +#include "../keysyms.h" +#include "../helpline.h" +#include "../ui.h" +#include "../util.h" +#include "../libslang.h" + +static void ui_browser__argv_write(struct ui_browser *browser, + void *entry, int row) +{ + char **arg = entry; + bool current_entry = ui_browser__is_current_entry(browser, row); + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + slsmg_write_nstring(*arg, browser->width); +} + +static int popup_menu__run(struct ui_browser *menu) +{ + int key; + + if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0) + return -1; + + while (1) { + key = ui_browser__run(menu, 0); + + switch (key) { + case K_RIGHT: + case K_ENTER: + key = menu->index; + break; + case K_LEFT: + case K_ESC: + case 'q': + case CTRL('c'): + key = -1; + break; + default: + continue; + } + + break; + } + + ui_browser__hide(menu); + return key; +} + +int ui__popup_menu(int argc, char * const argv[]) +{ + struct ui_browser menu = { + .entries = (void *)argv, + .refresh = ui_browser__argv_refresh, + .seek = ui_browser__argv_seek, + .write = ui_browser__argv_write, + .nr_entries = argc, + }; + + return popup_menu__run(&menu); +} + +int ui_browser__input_window(const char *title, const char *text, char *input, + const char *exit_msg, int delay_secs) +{ + int x, y, len, key; + int max_len = 60, nr_lines = 0; + static char buf[50]; + const char *t; + + t = text; + while (1) { + const char *sep = strchr(t, '\n'); + + if (sep == NULL) + sep = strchr(t, '\0'); + len = sep - t; + if (max_len < len) + max_len = len; + ++nr_lines; + if (*sep == '\0') + break; + t = sep + 1; + } + + max_len += 2; + nr_lines += 8; + y = SLtt_Screen_Rows / 2 - nr_lines / 2; + x = SLtt_Screen_Cols / 2 - max_len / 2; + + SLsmg_set_color(0); + SLsmg_draw_box(y, x++, nr_lines, max_len); + if (title) { + SLsmg_gotorc(y, x + 1); + SLsmg_write_string((char *)title); + } + SLsmg_gotorc(++y, x); + nr_lines -= 7; + max_len -= 2; + SLsmg_write_wrapped_string((unsigned char *)text, y, x, + nr_lines, max_len, 1); + y += nr_lines; + len = 5; + while (len--) { + SLsmg_gotorc(y + len - 1, x); + SLsmg_write_nstring((char *)" ", max_len); + } + SLsmg_draw_box(y++, x + 1, 3, max_len - 2); + + SLsmg_gotorc(y + 3, x); + SLsmg_write_nstring((char *)exit_msg, max_len); + SLsmg_refresh(); + + x += 2; + len = 0; + key = ui__getch(delay_secs); + while (key != K_TIMER && key != K_ENTER && key != K_ESC) { + if (key == K_BKSPC) { + if (len == 0) + goto next_key; + SLsmg_gotorc(y, x + --len); + SLsmg_write_char(' '); + } else { + buf[len] = key; + SLsmg_gotorc(y, x + len++); + SLsmg_write_char(key); + } + SLsmg_refresh(); + + /* XXX more graceful overflow handling needed */ + if (len == sizeof(buf) - 1) { + ui_helpline__push("maximum size of symbol name reached!"); + key = K_ENTER; + break; + } +next_key: + key = ui__getch(delay_secs); + } + + buf[len] = '\0'; + strncpy(input, buf, len+1); + return key; +} + +int ui__question_window(const char *title, const char *text, + const char *exit_msg, int delay_secs) +{ + int x, y; + int max_len = 0, nr_lines = 0; + const char *t; + + t = text; + while (1) { + const char *sep = strchr(t, '\n'); + int len; + + if (sep == NULL) + sep = strchr(t, '\0'); + len = sep - t; + if (max_len < len) + max_len = len; + ++nr_lines; + if (*sep == '\0') + break; + t = sep + 1; + } + + max_len += 2; + nr_lines += 4; + y = SLtt_Screen_Rows / 2 - nr_lines / 2, + x = SLtt_Screen_Cols / 2 - max_len / 2; + + SLsmg_set_color(0); + SLsmg_draw_box(y, x++, nr_lines, max_len); + if (title) { + SLsmg_gotorc(y, x + 1); + SLsmg_write_string((char *)title); + } + SLsmg_gotorc(++y, x); + nr_lines -= 2; + max_len -= 2; + SLsmg_write_wrapped_string((unsigned char *)text, y, x, + nr_lines, max_len, 1); + SLsmg_gotorc(y + nr_lines - 2, x); + SLsmg_write_nstring((char *)" ", max_len); + SLsmg_gotorc(y + nr_lines - 1, x); + SLsmg_write_nstring((char *)exit_msg, max_len); + SLsmg_refresh(); + return ui__getch(delay_secs); +} + +int ui__help_window(const char *text) +{ + return ui__question_window("Help", text, "Press any key...", 0); +} + +int ui__dialog_yesno(const char *msg) +{ + return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0); +} + +static int __ui__warning(const char *title, const char *format, va_list args) +{ + char *s; + + if (vasprintf(&s, format, args) > 0) { + int key; + + pthread_mutex_lock(&ui__lock); + key = ui__question_window(title, s, "Press any key...", 0); + pthread_mutex_unlock(&ui__lock); + free(s); + return key; + } + + fprintf(stderr, "%s\n", title); + vfprintf(stderr, format, args); + return K_ESC; +} + +static int perf_tui__error(const char *format, va_list args) +{ + return __ui__warning("Error:", format, args); +} + +static int perf_tui__warning(const char *format, va_list args) +{ + return __ui__warning("Warning:", format, args); +} + +struct perf_error_ops perf_tui_eops = { + .error = perf_tui__error, + .warning = perf_tui__warning, +}; diff --git a/tools/perf/ui/util.c b/tools/perf/ui/util.c index ad4374a16bb0..4f989774c8c6 100644 --- a/tools/perf/ui/util.c +++ b/tools/perf/ui/util.c @@ -1,250 +1,85 @@ -#include "../util.h" -#include <signal.h> -#include <stdbool.h> -#include <string.h> -#include <sys/ttydefaults.h> - -#include "../cache.h" -#include "../debug.h" -#include "browser.h" -#include "keysyms.h" -#include "helpline.h" -#include "ui.h" #include "util.h" -#include "libslang.h" - -static void ui_browser__argv_write(struct ui_browser *browser, - void *entry, int row) -{ - char **arg = entry; - bool current_entry = ui_browser__is_current_entry(browser, row); - - ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : - HE_COLORSET_NORMAL); - slsmg_write_nstring(*arg, browser->width); -} - -static int popup_menu__run(struct ui_browser *menu) -{ - int key; - - if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0) - return -1; +#include "../debug.h" - while (1) { - key = ui_browser__run(menu, 0); - - switch (key) { - case K_RIGHT: - case K_ENTER: - key = menu->index; - break; - case K_LEFT: - case K_ESC: - case 'q': - case CTRL('c'): - key = -1; - break; - default: - continue; - } - - break; - } - - ui_browser__hide(menu); - return key; -} -int ui__popup_menu(int argc, char * const argv[]) +/* + * Default error logging functions + */ +static int perf_stdio__error(const char *format, va_list args) { - struct ui_browser menu = { - .entries = (void *)argv, - .refresh = ui_browser__argv_refresh, - .seek = ui_browser__argv_seek, - .write = ui_browser__argv_write, - .nr_entries = argc, - }; - - return popup_menu__run(&menu); + fprintf(stderr, "Error:\n"); + vfprintf(stderr, format, args); + return 0; } -int ui_browser__input_window(const char *title, const char *text, char *input, - const char *exit_msg, int delay_secs) +static int perf_stdio__warning(const char *format, va_list args) { - int x, y, len, key; - int max_len = 60, nr_lines = 0; - static char buf[50]; - const char *t; - - t = text; - while (1) { - const char *sep = strchr(t, '\n'); - - if (sep == NULL) - sep = strchr(t, '\0'); - len = sep - t; - if (max_len < len) - max_len = len; - ++nr_lines; - if (*sep == '\0') - break; - t = sep + 1; - } - - max_len += 2; - nr_lines += 8; - y = SLtt_Screen_Rows / 2 - nr_lines / 2; - x = SLtt_Screen_Cols / 2 - max_len / 2; - - SLsmg_set_color(0); - SLsmg_draw_box(y, x++, nr_lines, max_len); - if (title) { - SLsmg_gotorc(y, x + 1); - SLsmg_write_string((char *)title); - } - SLsmg_gotorc(++y, x); - nr_lines -= 7; - max_len -= 2; - SLsmg_write_wrapped_string((unsigned char *)text, y, x, - nr_lines, max_len, 1); - y += nr_lines; - len = 5; - while (len--) { - SLsmg_gotorc(y + len - 1, x); - SLsmg_write_nstring((char *)" ", max_len); - } - SLsmg_draw_box(y++, x + 1, 3, max_len - 2); - - SLsmg_gotorc(y + 3, x); - SLsmg_write_nstring((char *)exit_msg, max_len); - SLsmg_refresh(); - - x += 2; - len = 0; - key = ui__getch(delay_secs); - while (key != K_TIMER && key != K_ENTER && key != K_ESC) { - if (key == K_BKSPC) { - if (len == 0) - goto next_key; - SLsmg_gotorc(y, x + --len); - SLsmg_write_char(' '); - } else { - buf[len] = key; - SLsmg_gotorc(y, x + len++); - SLsmg_write_char(key); - } - SLsmg_refresh(); - - /* XXX more graceful overflow handling needed */ - if (len == sizeof(buf) - 1) { - ui_helpline__push("maximum size of symbol name reached!"); - key = K_ENTER; - break; - } -next_key: - key = ui__getch(delay_secs); - } - - buf[len] = '\0'; - strncpy(input, buf, len+1); - return key; + fprintf(stderr, "Warning:\n"); + vfprintf(stderr, format, args); + return 0; } -int ui__question_window(const char *title, const char *text, - const char *exit_msg, int delay_secs) +static struct perf_error_ops default_eops = { - int x, y; - int max_len = 0, nr_lines = 0; - const char *t; - - t = text; - while (1) { - const char *sep = strchr(t, '\n'); - int len; - - if (sep == NULL) - sep = strchr(t, '\0'); - len = sep - t; - if (max_len < len) - max_len = len; - ++nr_lines; - if (*sep == '\0') - break; - t = sep + 1; - } - - max_len += 2; - nr_lines += 4; - y = SLtt_Screen_Rows / 2 - nr_lines / 2, - x = SLtt_Screen_Cols / 2 - max_len / 2; - - SLsmg_set_color(0); - SLsmg_draw_box(y, x++, nr_lines, max_len); - if (title) { - SLsmg_gotorc(y, x + 1); - SLsmg_write_string((char *)title); - } - SLsmg_gotorc(++y, x); - nr_lines -= 2; - max_len -= 2; - SLsmg_write_wrapped_string((unsigned char *)text, y, x, - nr_lines, max_len, 1); - SLsmg_gotorc(y + nr_lines - 2, x); - SLsmg_write_nstring((char *)" ", max_len); - SLsmg_gotorc(y + nr_lines - 1, x); - SLsmg_write_nstring((char *)exit_msg, max_len); - SLsmg_refresh(); - return ui__getch(delay_secs); -} + .error = perf_stdio__error, + .warning = perf_stdio__warning, +}; -int ui__help_window(const char *text) -{ - return ui__question_window("Help", text, "Press any key...", 0); -} +static struct perf_error_ops *perf_eops = &default_eops; -int ui__dialog_yesno(const char *msg) -{ - return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0); -} -int __ui__warning(const char *title, const char *format, va_list args) +int ui__error(const char *format, ...) { - char *s; - - if (use_browser > 0 && vasprintf(&s, format, args) > 0) { - int key; + int ret; + va_list args; - pthread_mutex_lock(&ui__lock); - key = ui__question_window(title, s, "Press any key...", 0); - pthread_mutex_unlock(&ui__lock); - free(s); - return key; - } + va_start(args, format); + ret = perf_eops->error(format, args); + va_end(args); - fprintf(stderr, "%s:\n", title); - vfprintf(stderr, format, args); - return K_ESC; + return ret; } int ui__warning(const char *format, ...) { - int key; + int ret; va_list args; va_start(args, format); - key = __ui__warning("Warning", format, args); + ret = perf_eops->warning(format, args); va_end(args); - return key; + + return ret; } -int ui__error(const char *format, ...) + +/** + * perf_error__register - Register error logging functions + * @eops: The pointer to error logging function struct + * + * Register UI-specific error logging functions. Before calling this, + * other logging functions should be unregistered, if any. + */ +int perf_error__register(struct perf_error_ops *eops) { - int key; - va_list args; + if (perf_eops != &default_eops) + return -1; - va_start(args, format); - key = __ui__warning("Error", format, args); - va_end(args); - return key; + perf_eops = eops; + return 0; +} + +/** + * perf_error__unregister - Unregister error logging functions + * @eops: The pointer to error logging function struct + * + * Unregister already registered error logging functions. + */ +int perf_error__unregister(struct perf_error_ops *eops) +{ + if (perf_eops != eops) + return -1; + + perf_eops = &default_eops; + return 0; } diff --git a/tools/perf/ui/util.h b/tools/perf/ui/util.h index 2d1738bd71c8..361f08c52d37 100644 --- a/tools/perf/ui/util.h +++ b/tools/perf/ui/util.h @@ -9,6 +9,13 @@ int ui__help_window(const char *text); int ui__dialog_yesno(const char *msg); int ui__question_window(const char *title, const char *text, const char *exit_msg, int delay_secs); -int __ui__warning(const char *title, const char *format, va_list args); + +struct perf_error_ops { + int (*error)(const char *format, va_list args); + int (*warning)(const char *format, va_list args); +}; + +int perf_error__register(struct perf_error_ops *eops); +int perf_error__unregister(struct perf_error_ops *eops); #endif /* _PERF_UI_UTIL_H_ */ diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index efb1fce259a4..4dfe0bb3c322 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -47,7 +47,7 @@ int dump_printf(const char *fmt, ...) return ret; } -#ifdef NO_NEWT_SUPPORT +#if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT) int ui__warning(const char *format, ...) { va_list args; diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index 6bebe7f0a20c..015c91dbc096 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -12,8 +12,9 @@ int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); void trace_event(union perf_event *event); struct ui_progress; +struct perf_error_ops; -#ifdef NO_NEWT_SUPPORT +#if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT) static inline int ui_helpline__show_help(const char *format __used, va_list ap __used) { return 0; @@ -23,12 +24,28 @@ static inline void ui_progress__update(u64 curr __used, u64 total __used, const char *title __used) {} #define ui__error(format, arg...) ui__warning(format, ##arg) -#else + +static inline int +perf_error__register(struct perf_error_ops *eops __used) +{ + return 0; +} + +static inline int +perf_error__unregister(struct perf_error_ops *eops __used) +{ + return 0; +} + +#else /* NO_NEWT_SUPPORT && NO_GTK2_SUPPORT */ + extern char ui_helpline__last_msg[]; int ui_helpline__show_help(const char *format, va_list ap); #include "../ui/progress.h" int ui__error(const char *format, ...) __attribute__((format(printf, 1, 2))); -#endif +#include "../ui/util.h" + +#endif /* NO_NEWT_SUPPORT && NO_GTK2_SUPPORT */ int ui__warning(const char *format, ...) __attribute__((format(printf, 1, 2))); int ui__error_paranoid(void); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 7400fb3fc50c..f74e9560350e 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -224,8 +224,8 @@ out_free_attrs: return err; } -static struct perf_evsel * - perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id) +struct perf_evsel * +perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id) { struct perf_evsel *evsel; diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 989bee9624c2..40d4d3cdced0 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -73,6 +73,9 @@ int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist, #define perf_evlist__set_tracepoints_handlers_array(evlist, array) \ perf_evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array)) +struct perf_evsel * +perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id); + void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel, int cpu, int thread, u64 id); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 9f6cebd798ee..e81771364867 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -15,7 +15,7 @@ #include "cpumap.h" #include "thread_map.h" #include "target.h" -#include "../../include/linux/perf_event.h" +#include "../../../include/linux/hw_breakpoint.h" #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) #define GROUP_FD(group_fd, cpu) (*(int *)xyarray__entry(group_fd, cpu, 0)) @@ -78,7 +78,7 @@ static const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = { "ref-cycles", }; -const char *__perf_evsel__hw_name(u64 config) +static const char *__perf_evsel__hw_name(u64 config) { if (config < PERF_COUNT_HW_MAX && perf_evsel__hw_names[config]) return perf_evsel__hw_names[config]; @@ -86,16 +86,15 @@ const char *__perf_evsel__hw_name(u64 config) return "unknown-hardware"; } -static int perf_evsel__hw_name(struct perf_evsel *evsel, char *bf, size_t size) +static int perf_evsel__add_modifiers(struct perf_evsel *evsel, char *bf, size_t size) { - int colon = 0; + int colon = 0, r = 0; struct perf_event_attr *attr = &evsel->attr; - int r = scnprintf(bf, size, "%s", __perf_evsel__hw_name(attr->config)); bool exclude_guest_default = false; #define MOD_PRINT(context, mod) do { \ if (!attr->exclude_##context) { \ - if (!colon) colon = r++; \ + if (!colon) colon = ++r; \ r += scnprintf(bf + r, size - r, "%c", mod); \ } } while(0) @@ -108,7 +107,7 @@ static int perf_evsel__hw_name(struct perf_evsel *evsel, char *bf, size_t size) if (attr->precise_ip) { if (!colon) - colon = r++; + colon = ++r; r += scnprintf(bf + r, size - r, "%.*s", attr->precise_ip, "ppp"); exclude_guest_default = true; } @@ -119,39 +118,211 @@ static int perf_evsel__hw_name(struct perf_evsel *evsel, char *bf, size_t size) } #undef MOD_PRINT if (colon) - bf[colon] = ':'; + bf[colon - 1] = ':'; return r; } -int perf_evsel__name(struct perf_evsel *evsel, char *bf, size_t size) +static int perf_evsel__hw_name(struct perf_evsel *evsel, char *bf, size_t size) +{ + int r = scnprintf(bf, size, "%s", __perf_evsel__hw_name(evsel->attr.config)); + return r + perf_evsel__add_modifiers(evsel, bf + r, size - r); +} + +static const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = { + "cpu-clock", + "task-clock", + "page-faults", + "context-switches", + "CPU-migrations", + "minor-faults", + "major-faults", + "alignment-faults", + "emulation-faults", +}; + +static const char *__perf_evsel__sw_name(u64 config) { - int ret; + if (config < PERF_COUNT_SW_MAX && perf_evsel__sw_names[config]) + return perf_evsel__sw_names[config]; + return "unknown-software"; +} + +static int perf_evsel__sw_name(struct perf_evsel *evsel, char *bf, size_t size) +{ + int r = scnprintf(bf, size, "%s", __perf_evsel__sw_name(evsel->attr.config)); + return r + perf_evsel__add_modifiers(evsel, bf + r, size - r); +} + +static int __perf_evsel__bp_name(char *bf, size_t size, u64 addr, u64 type) +{ + int r; + + r = scnprintf(bf, size, "mem:0x%" PRIx64 ":", addr); + + if (type & HW_BREAKPOINT_R) + r += scnprintf(bf + r, size - r, "r"); + + if (type & HW_BREAKPOINT_W) + r += scnprintf(bf + r, size - r, "w"); + + if (type & HW_BREAKPOINT_X) + r += scnprintf(bf + r, size - r, "x"); + + return r; +} + +static int perf_evsel__bp_name(struct perf_evsel *evsel, char *bf, size_t size) +{ + struct perf_event_attr *attr = &evsel->attr; + int r = __perf_evsel__bp_name(bf, size, attr->bp_addr, attr->bp_type); + return r + perf_evsel__add_modifiers(evsel, bf + r, size - r); +} + +const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] + [PERF_EVSEL__MAX_ALIASES] = { + { "L1-dcache", "l1-d", "l1d", "L1-data", }, + { "L1-icache", "l1-i", "l1i", "L1-instruction", }, + { "LLC", "L2", }, + { "dTLB", "d-tlb", "Data-TLB", }, + { "iTLB", "i-tlb", "Instruction-TLB", }, + { "branch", "branches", "bpu", "btb", "bpc", }, + { "node", }, +}; + +const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_EVSEL__MAX_ALIASES] = { + { "load", "loads", "read", }, + { "store", "stores", "write", }, + { "prefetch", "prefetches", "speculative-read", "speculative-load", }, +}; + +const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] + [PERF_EVSEL__MAX_ALIASES] = { + { "refs", "Reference", "ops", "access", }, + { "misses", "miss", }, +}; + +#define C(x) PERF_COUNT_HW_CACHE_##x +#define CACHE_READ (1 << C(OP_READ)) +#define CACHE_WRITE (1 << C(OP_WRITE)) +#define CACHE_PREFETCH (1 << C(OP_PREFETCH)) +#define COP(x) (1 << x) + +/* + * cache operartion stat + * L1I : Read and prefetch only + * ITLB and BPU : Read-only + */ +static unsigned long perf_evsel__hw_cache_stat[C(MAX)] = { + [C(L1D)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), + [C(L1I)] = (CACHE_READ | CACHE_PREFETCH), + [C(LL)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), + [C(DTLB)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), + [C(ITLB)] = (CACHE_READ), + [C(BPU)] = (CACHE_READ), + [C(NODE)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), +}; + +bool perf_evsel__is_cache_op_valid(u8 type, u8 op) +{ + if (perf_evsel__hw_cache_stat[type] & COP(op)) + return true; /* valid */ + else + return false; /* invalid */ +} + +int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, + char *bf, size_t size) +{ + if (result) { + return scnprintf(bf, size, "%s-%s-%s", perf_evsel__hw_cache[type][0], + perf_evsel__hw_cache_op[op][0], + perf_evsel__hw_cache_result[result][0]); + } + + return scnprintf(bf, size, "%s-%s", perf_evsel__hw_cache[type][0], + perf_evsel__hw_cache_op[op][1]); +} + +static int __perf_evsel__hw_cache_name(u64 config, char *bf, size_t size) +{ + u8 op, result, type = (config >> 0) & 0xff; + const char *err = "unknown-ext-hardware-cache-type"; + + if (type > PERF_COUNT_HW_CACHE_MAX) + goto out_err; + + op = (config >> 8) & 0xff; + err = "unknown-ext-hardware-cache-op"; + if (op > PERF_COUNT_HW_CACHE_OP_MAX) + goto out_err; + + result = (config >> 16) & 0xff; + err = "unknown-ext-hardware-cache-result"; + if (result > PERF_COUNT_HW_CACHE_RESULT_MAX) + goto out_err; + + err = "invalid-cache"; + if (!perf_evsel__is_cache_op_valid(type, op)) + goto out_err; + + return __perf_evsel__hw_cache_type_op_res_name(type, op, result, bf, size); +out_err: + return scnprintf(bf, size, "%s", err); +} + +static int perf_evsel__hw_cache_name(struct perf_evsel *evsel, char *bf, size_t size) +{ + int ret = __perf_evsel__hw_cache_name(evsel->attr.config, bf, size); + return ret + perf_evsel__add_modifiers(evsel, bf + ret, size - ret); +} + +static int perf_evsel__raw_name(struct perf_evsel *evsel, char *bf, size_t size) +{ + int ret = scnprintf(bf, size, "raw 0x%" PRIx64, evsel->attr.config); + return ret + perf_evsel__add_modifiers(evsel, bf + ret, size - ret); +} + +const char *perf_evsel__name(struct perf_evsel *evsel) +{ + char bf[128]; + + if (evsel->name) + return evsel->name; switch (evsel->attr.type) { case PERF_TYPE_RAW: - ret = scnprintf(bf, size, "raw 0x%" PRIx64, evsel->attr.config); + perf_evsel__raw_name(evsel, bf, sizeof(bf)); break; case PERF_TYPE_HARDWARE: - ret = perf_evsel__hw_name(evsel, bf, size); + perf_evsel__hw_name(evsel, bf, sizeof(bf)); + break; + + case PERF_TYPE_HW_CACHE: + perf_evsel__hw_cache_name(evsel, bf, sizeof(bf)); + break; + + case PERF_TYPE_SOFTWARE: + perf_evsel__sw_name(evsel, bf, sizeof(bf)); break; + + case PERF_TYPE_TRACEPOINT: + scnprintf(bf, sizeof(bf), "%s", "unknown tracepoint"); + break; + + case PERF_TYPE_BREAKPOINT: + perf_evsel__bp_name(evsel, bf, sizeof(bf)); + break; + default: - /* - * FIXME - * - * This is the minimal perf_evsel__name so that we can - * reconstruct event names taking into account event modifiers. - * - * The old event_name uses it now for raw anr hw events, so that - * we don't drag all the parsing stuff into the python binding. - * - * On the next devel cycle the rest of the event naming will be - * brought here. - */ - return 0; - } - - return ret; + scnprintf(bf, sizeof(bf), "%s", "unknown attr type"); + break; + } + + evsel->name = strdup(bf); + + return evsel->name ?: "unknown"; } void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 4ba8b564e6f4..67cc5033d192 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -83,8 +83,19 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, struct perf_evsel *first); -const char* __perf_evsel__hw_name(u64 config); -int perf_evsel__name(struct perf_evsel *evsel, char *bf, size_t size); +bool perf_evsel__is_cache_op_valid(u8 type, u8 op); + +#define PERF_EVSEL__MAX_ALIASES 8 + +extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] + [PERF_EVSEL__MAX_ALIASES]; +extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_EVSEL__MAX_ALIASES]; +const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] + [PERF_EVSEL__MAX_ALIASES]; +int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, + char *bf, size_t size); +const char *perf_evsel__name(struct perf_evsel *evsel); int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index e909d43cf542..5a47aba46759 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -641,7 +641,7 @@ static int write_event_desc(int fd, struct perf_header *h __used, /* * write event string as passed on cmdline */ - ret = do_write_string(fd, event_name(attr)); + ret = do_write_string(fd, perf_evsel__name(attr)); if (ret < 0) return ret; /* @@ -1474,15 +1474,15 @@ out: static int process_tracing_data(struct perf_file_section *section __unused, struct perf_header *ph __unused, - int feat __unused, int fd) + int feat __unused, int fd, void *data) { - trace_report(fd, false); + trace_report(fd, data, false); return 0; } static int process_build_id(struct perf_file_section *section, struct perf_header *ph, - int feat __unused, int fd) + int feat __unused, int fd, void *data __used) { if (perf_header__read_build_ids(ph, fd, section->offset, section->size)) pr_debug("Failed to read buildids, continuing...\n"); @@ -1493,7 +1493,7 @@ struct feature_ops { int (*write)(int fd, struct perf_header *h, struct perf_evlist *evlist); void (*print)(struct perf_header *h, int fd, FILE *fp); int (*process)(struct perf_file_section *section, - struct perf_header *h, int feat, int fd); + struct perf_header *h, int feat, int fd, void *data); const char *name; bool full_only; }; @@ -1988,7 +1988,7 @@ int perf_file_header__read(struct perf_file_header *header, static int perf_file_section__process(struct perf_file_section *section, struct perf_header *ph, - int feat, int fd, void *data __used) + int feat, int fd, void *data) { if (lseek(fd, section->offset, SEEK_SET) == (off_t)-1) { pr_debug("Failed to lseek to %" PRIu64 " offset for feature " @@ -2004,7 +2004,7 @@ static int perf_file_section__process(struct perf_file_section *section, if (!feat_ops[feat].process) return 0; - return feat_ops[feat].process(section, ph, feat, fd); + return feat_ops[feat].process(section, ph, feat, fd, data); } static int perf_file_header__read_pipe(struct perf_pipe_file_header *header, @@ -2093,9 +2093,11 @@ static int read_attr(int fd, struct perf_header *ph, return ret <= 0 ? -1 : 0; } -static int perf_evsel__set_tracepoint_name(struct perf_evsel *evsel) +static int perf_evsel__set_tracepoint_name(struct perf_evsel *evsel, + struct pevent *pevent) { - struct event_format *event = trace_find_event(evsel->attr.config); + struct event_format *event = pevent_find_event(pevent, + evsel->attr.config); char bf[128]; if (event == NULL) @@ -2109,13 +2111,14 @@ static int perf_evsel__set_tracepoint_name(struct perf_evsel *evsel) return 0; } -static int perf_evlist__set_tracepoint_names(struct perf_evlist *evlist) +static int perf_evlist__set_tracepoint_names(struct perf_evlist *evlist, + struct pevent *pevent) { struct perf_evsel *pos; list_for_each_entry(pos, &evlist->entries, node) { if (pos->attr.type == PERF_TYPE_TRACEPOINT && - perf_evsel__set_tracepoint_name(pos)) + perf_evsel__set_tracepoint_name(pos, pevent)) return -1; } @@ -2198,12 +2201,12 @@ int perf_session__read_header(struct perf_session *session, int fd) event_count = f_header.event_types.size / sizeof(struct perf_trace_event_type); } - perf_header__process_sections(header, fd, NULL, + perf_header__process_sections(header, fd, &session->pevent, perf_file_section__process); lseek(fd, header->data_offset, SEEK_SET); - if (perf_evlist__set_tracepoint_names(session->evlist)) + if (perf_evlist__set_tracepoint_names(session->evlist, session->pevent)) goto out_delete_evlist; header->frozen = 1; @@ -2419,8 +2422,8 @@ int perf_event__process_tracing_data(union perf_event *event, lseek(session->fd, offset + sizeof(struct tracing_data_event), SEEK_SET); - size_read = trace_report(session->fd, session->repipe); - + size_read = trace_report(session->fd, &session->pevent, + session->repipe); padding = ALIGN(size_read, sizeof(u64)) - size_read; if (read(session->fd, buf, padding) < 0) diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 34bb556d6219..0b096c27a419 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -47,6 +47,7 @@ enum hist_column { HISTC_SYMBOL_TO, HISTC_DSO_FROM, HISTC_DSO_TO, + HISTC_SRCLINE, HISTC_NR_COLS, /* Last entry */ }; diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h index 1eb804fd3fbf..b6842c1d02a8 100644 --- a/tools/perf/util/include/linux/kernel.h +++ b/tools/perf/util/include/linux/kernel.h @@ -108,4 +108,14 @@ int eprintf(int level, #define pr_debug3(fmt, ...) pr_debugN(3, pr_fmt(fmt), ##__VA_ARGS__) #define pr_debug4(fmt, ...) pr_debugN(4, pr_fmt(fmt), ##__VA_ARGS__) +/* + * This looks more complex than it should be. But we need to + * get the type for the ~ right in round_down (it needs to be + * as wide as the result!), and we want to evaluate the macro + * arguments just once each. + */ +#define __round_mask(x, y) ((__typeof__(x))((y)-1)) +#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) +#define round_down(x, y) ((x) & ~__round_mask(x, y)) + #endif diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 81371bad4ef0..c14c665d9a25 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -157,7 +157,7 @@ void machine__exit(struct machine *self); void machine__delete(struct machine *self); int machine__resolve_callchain(struct machine *machine, - struct perf_evsel *evsel, struct thread *thread, + struct thread *thread, struct ip_callchain *chain, struct symbol **parent); int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, diff --git a/tools/perf/util/parse-events-test.c b/tools/perf/util/parse-events-test.c index 76b98e2a587d..1b997d2b89ce 100644 --- a/tools/perf/util/parse-events-test.c +++ b/tools/perf/util/parse-events-test.c @@ -181,6 +181,22 @@ static int test__checkevent_breakpoint_w(struct perf_evlist *evlist) return 0; } +static int test__checkevent_breakpoint_rw(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel = list_entry(evlist->entries.next, + struct perf_evsel, node); + + TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries); + TEST_ASSERT_VAL("wrong type", + PERF_TYPE_BREAKPOINT == evsel->attr.type); + TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config); + TEST_ASSERT_VAL("wrong bp_type", + (HW_BREAKPOINT_R|HW_BREAKPOINT_W) == evsel->attr.bp_type); + TEST_ASSERT_VAL("wrong bp_len", + HW_BREAKPOINT_LEN_4 == evsel->attr.bp_len); + return 0; +} + static int test__checkevent_tracepoint_modifier(struct perf_evlist *evlist) { struct perf_evsel *evsel = list_entry(evlist->entries.next, @@ -309,6 +325,8 @@ static int test__checkevent_breakpoint_modifier(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); + TEST_ASSERT_VAL("wrong name", + !strcmp(perf_evsel__name(evsel), "mem:0x0:rw:u")); return test__checkevent_breakpoint(evlist); } @@ -322,6 +340,8 @@ static int test__checkevent_breakpoint_x_modifier(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); + TEST_ASSERT_VAL("wrong name", + !strcmp(perf_evsel__name(evsel), "mem:0x0:x:k")); return test__checkevent_breakpoint_x(evlist); } @@ -335,6 +355,8 @@ static int test__checkevent_breakpoint_r_modifier(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv); TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip); + TEST_ASSERT_VAL("wrong name", + !strcmp(perf_evsel__name(evsel), "mem:0x0:r:hp")); return test__checkevent_breakpoint_r(evlist); } @@ -348,10 +370,27 @@ static int test__checkevent_breakpoint_w_modifier(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv); TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip); + TEST_ASSERT_VAL("wrong name", + !strcmp(perf_evsel__name(evsel), "mem:0x0:w:up")); return test__checkevent_breakpoint_w(evlist); } +static int test__checkevent_breakpoint_rw_modifier(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel = list_entry(evlist->entries.next, + struct perf_evsel, node); + + TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user); + TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel); + TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv); + TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip); + TEST_ASSERT_VAL("wrong name", + !strcmp(perf_evsel__name(evsel), "mem:0x0:rw:kp")); + + return test__checkevent_breakpoint_rw(evlist); +} + static int test__checkevent_pmu(struct perf_evlist *evlist) { @@ -413,19 +452,63 @@ static int test__checkevent_pmu_name(struct perf_evlist *evlist) { struct perf_evsel *evsel; - /* cpu/config=1,name=krava1/u */ + /* cpu/config=1,name=krava/u */ evsel = list_entry(evlist->entries.next, struct perf_evsel, node); TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries); TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type); TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config); - TEST_ASSERT_VAL("wrong name", !strcmp(evsel->name, "krava")); + TEST_ASSERT_VAL("wrong name", !strcmp(perf_evsel__name(evsel), "krava")); - /* cpu/config=2/" */ + /* cpu/config=2/u" */ evsel = list_entry(evsel->node.next, struct perf_evsel, node); TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries); TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type); TEST_ASSERT_VAL("wrong config", 2 == evsel->attr.config); - TEST_ASSERT_VAL("wrong name", !strcmp(evsel->name, "raw 0x2")); + TEST_ASSERT_VAL("wrong name", + !strcmp(perf_evsel__name(evsel), "raw 0x2:u")); + + return 0; +} + +static int test__checkterms_simple(struct list_head *terms) +{ + struct parse_events__term *term; + + /* config=10 */ + term = list_entry(terms->next, struct parse_events__term, list); + TEST_ASSERT_VAL("wrong type term", + term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG); + TEST_ASSERT_VAL("wrong type val", + term->type_val == PARSE_EVENTS__TERM_TYPE_NUM); + TEST_ASSERT_VAL("wrong val", term->val.num == 10); + TEST_ASSERT_VAL("wrong config", !term->config); + + /* config1 */ + term = list_entry(term->list.next, struct parse_events__term, list); + TEST_ASSERT_VAL("wrong type term", + term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG1); + TEST_ASSERT_VAL("wrong type val", + term->type_val == PARSE_EVENTS__TERM_TYPE_NUM); + TEST_ASSERT_VAL("wrong val", term->val.num == 1); + TEST_ASSERT_VAL("wrong config", !term->config); + + /* config2=3 */ + term = list_entry(term->list.next, struct parse_events__term, list); + TEST_ASSERT_VAL("wrong type term", + term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG2); + TEST_ASSERT_VAL("wrong type val", + term->type_val == PARSE_EVENTS__TERM_TYPE_NUM); + TEST_ASSERT_VAL("wrong val", term->val.num == 3); + TEST_ASSERT_VAL("wrong config", !term->config); + + /* umask=1*/ + term = list_entry(term->list.next, struct parse_events__term, list); + TEST_ASSERT_VAL("wrong type term", + term->type_term == PARSE_EVENTS__TERM_TYPE_USER); + TEST_ASSERT_VAL("wrong type val", + term->type_val == PARSE_EVENTS__TERM_TYPE_NUM); + TEST_ASSERT_VAL("wrong val", term->val.num == 1); + TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "umask")); return 0; } @@ -541,10 +624,16 @@ static struct test__event_st test__events[] = { .name = "instructions:H", .check = test__checkevent_exclude_guest_modifier, }, + [26] = { + .name = "mem:0:rw", + .check = test__checkevent_breakpoint_rw, + }, + [27] = { + .name = "mem:0:rw:kp", + .check = test__checkevent_breakpoint_rw_modifier, + }, }; -#define TEST__EVENTS_CNT (sizeof(test__events) / sizeof(struct test__event_st)) - static struct test__event_st test__events_pmu[] = { [0] = { .name = "cpu/config=10,config1,config2=3,period=1000/u", @@ -556,10 +645,23 @@ static struct test__event_st test__events_pmu[] = { }, }; -#define TEST__EVENTS_PMU_CNT (sizeof(test__events_pmu) / \ - sizeof(struct test__event_st)) +struct test__term { + const char *str; + __u32 type; + int (*check)(struct list_head *terms); +}; + +static struct test__term test__terms[] = { + [0] = { + .str = "config=10,config1,config2=3,umask=1", + .check = test__checkterms_simple, + }, +}; + +#define TEST__TERMS_CNT (sizeof(test__terms) / \ + sizeof(struct test__term)) -static int test(struct test__event_st *e) +static int test_event(struct test__event_st *e) { struct perf_evlist *evlist; int ret; @@ -590,7 +692,48 @@ static int test_events(struct test__event_st *events, unsigned cnt) struct test__event_st *e = &events[i]; pr_debug("running test %d '%s'\n", i, e->name); - ret = test(e); + ret = test_event(e); + if (ret) + break; + } + + return ret; +} + +static int test_term(struct test__term *t) +{ + struct list_head *terms; + int ret; + + terms = malloc(sizeof(*terms)); + if (!terms) + return -ENOMEM; + + INIT_LIST_HEAD(terms); + + ret = parse_events_terms(terms, t->str); + if (ret) { + pr_debug("failed to parse terms '%s', err %d\n", + t->str , ret); + return ret; + } + + ret = t->check(terms); + parse_events__free_terms(terms); + + return ret; +} + +static int test_terms(struct test__term *terms, unsigned cnt) +{ + int ret = 0; + unsigned i; + + for (i = 0; i < cnt; i++) { + struct test__term *t = &terms[i]; + + pr_debug("running test %d '%s'\n", i, t->str); + ret = test_term(t); if (ret) break; } @@ -617,9 +760,17 @@ int parse_events__test(void) { int ret; - ret = test_events(test__events, TEST__EVENTS_CNT); - if (!ret && test_pmu()) - ret = test_events(test__events_pmu, TEST__EVENTS_PMU_CNT); +#define TEST_EVENTS(tests) \ +do { \ + ret = test_events(tests, ARRAY_SIZE(tests)); \ + if (ret) \ + return ret; \ +} while (0) - return ret; + TEST_EVENTS(test__events); + + if (test_pmu()) + TEST_EVENTS(test__events_pmu); + + return test_terms(test__terms, ARRAY_SIZE(test__terms)); } diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 05dbc8b3c767..1aa721d7c10f 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -11,14 +11,14 @@ #include "cache.h" #include "header.h" #include "debugfs.h" +#include "parse-events-bison.h" +#define YY_EXTRA_TYPE int #include "parse-events-flex.h" #include "pmu.h" #define MAX_NAME_LEN 100 struct event_symbol { - u8 type; - u64 config; const char *symbol; const char *alias; }; @@ -26,32 +26,88 @@ struct event_symbol { #ifdef PARSER_DEBUG extern int parse_events_debug; #endif -int parse_events_parse(struct list_head *list, int *idx); - -#define CHW(x) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_##x -#define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x - -static struct event_symbol event_symbols[] = { - { CHW(CPU_CYCLES), "cpu-cycles", "cycles" }, - { CHW(STALLED_CYCLES_FRONTEND), "stalled-cycles-frontend", "idle-cycles-frontend" }, - { CHW(STALLED_CYCLES_BACKEND), "stalled-cycles-backend", "idle-cycles-backend" }, - { CHW(INSTRUCTIONS), "instructions", "" }, - { CHW(CACHE_REFERENCES), "cache-references", "" }, - { CHW(CACHE_MISSES), "cache-misses", "" }, - { CHW(BRANCH_INSTRUCTIONS), "branch-instructions", "branches" }, - { CHW(BRANCH_MISSES), "branch-misses", "" }, - { CHW(BUS_CYCLES), "bus-cycles", "" }, - { CHW(REF_CPU_CYCLES), "ref-cycles", "" }, - - { CSW(CPU_CLOCK), "cpu-clock", "" }, - { CSW(TASK_CLOCK), "task-clock", "" }, - { CSW(PAGE_FAULTS), "page-faults", "faults" }, - { CSW(PAGE_FAULTS_MIN), "minor-faults", "" }, - { CSW(PAGE_FAULTS_MAJ), "major-faults", "" }, - { CSW(CONTEXT_SWITCHES), "context-switches", "cs" }, - { CSW(CPU_MIGRATIONS), "cpu-migrations", "migrations" }, - { CSW(ALIGNMENT_FAULTS), "alignment-faults", "" }, - { CSW(EMULATION_FAULTS), "emulation-faults", "" }, +int parse_events_parse(void *data, void *scanner); + +static struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { + [PERF_COUNT_HW_CPU_CYCLES] = { + .symbol = "cpu-cycles", + .alias = "cycles", + }, + [PERF_COUNT_HW_INSTRUCTIONS] = { + .symbol = "instructions", + .alias = "", + }, + [PERF_COUNT_HW_CACHE_REFERENCES] = { + .symbol = "cache-references", + .alias = "", + }, + [PERF_COUNT_HW_CACHE_MISSES] = { + .symbol = "cache-misses", + .alias = "", + }, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { + .symbol = "branch-instructions", + .alias = "branches", + }, + [PERF_COUNT_HW_BRANCH_MISSES] = { + .symbol = "branch-misses", + .alias = "", + }, + [PERF_COUNT_HW_BUS_CYCLES] = { + .symbol = "bus-cycles", + .alias = "", + }, + [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { + .symbol = "stalled-cycles-frontend", + .alias = "idle-cycles-frontend", + }, + [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { + .symbol = "stalled-cycles-backend", + .alias = "idle-cycles-backend", + }, + [PERF_COUNT_HW_REF_CPU_CYCLES] = { + .symbol = "ref-cycles", + .alias = "", + }, +}; + +static struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { + [PERF_COUNT_SW_CPU_CLOCK] = { + .symbol = "cpu-clock", + .alias = "", + }, + [PERF_COUNT_SW_TASK_CLOCK] = { + .symbol = "task-clock", + .alias = "", + }, + [PERF_COUNT_SW_PAGE_FAULTS] = { + .symbol = "page-faults", + .alias = "faults", + }, + [PERF_COUNT_SW_CONTEXT_SWITCHES] = { + .symbol = "context-switches", + .alias = "cs", + }, + [PERF_COUNT_SW_CPU_MIGRATIONS] = { + .symbol = "cpu-migrations", + .alias = "migrations", + }, + [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { + .symbol = "minor-faults", + .alias = "", + }, + [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { + .symbol = "major-faults", + .alias = "", + }, + [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { + .symbol = "alignment-faults", + .alias = "", + }, + [PERF_COUNT_SW_EMULATION_FAULTS] = { + .symbol = "emulation-faults", + .alias = "", + }, }; #define __PERF_EVENT_FIELD(config, name) \ @@ -62,63 +118,6 @@ static struct event_symbol event_symbols[] = { #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) -static const char *sw_event_names[PERF_COUNT_SW_MAX] = { - "cpu-clock", - "task-clock", - "page-faults", - "context-switches", - "CPU-migrations", - "minor-faults", - "major-faults", - "alignment-faults", - "emulation-faults", -}; - -#define MAX_ALIASES 8 - -static const char *hw_cache[PERF_COUNT_HW_CACHE_MAX][MAX_ALIASES] = { - { "L1-dcache", "l1-d", "l1d", "L1-data", }, - { "L1-icache", "l1-i", "l1i", "L1-instruction", }, - { "LLC", "L2", }, - { "dTLB", "d-tlb", "Data-TLB", }, - { "iTLB", "i-tlb", "Instruction-TLB", }, - { "branch", "branches", "bpu", "btb", "bpc", }, - { "node", }, -}; - -static const char *hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][MAX_ALIASES] = { - { "load", "loads", "read", }, - { "store", "stores", "write", }, - { "prefetch", "prefetches", "speculative-read", "speculative-load", }, -}; - -static const char *hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] - [MAX_ALIASES] = { - { "refs", "Reference", "ops", "access", }, - { "misses", "miss", }, -}; - -#define C(x) PERF_COUNT_HW_CACHE_##x -#define CACHE_READ (1 << C(OP_READ)) -#define CACHE_WRITE (1 << C(OP_WRITE)) -#define CACHE_PREFETCH (1 << C(OP_PREFETCH)) -#define COP(x) (1 << x) - -/* - * cache operartion stat - * L1I : Read and prefetch only - * ITLB and BPU : Read-only - */ -static unsigned long hw_cache_stat[C(MAX)] = { - [C(L1D)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), - [C(L1I)] = (CACHE_READ | CACHE_PREFETCH), - [C(LL)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), - [C(DTLB)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), - [C(ITLB)] = (CACHE_READ), - [C(BPU)] = (CACHE_READ), - [C(NODE)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), -}; - #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ if (sys_dirent.d_type == DT_DIR && \ @@ -218,48 +217,6 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config) return NULL; } -#define TP_PATH_LEN (MAX_EVENT_LENGTH * 2 + 1) -static const char *tracepoint_id_to_name(u64 config) -{ - static char buf[TP_PATH_LEN]; - struct tracepoint_path *path; - - path = tracepoint_id_to_path(config); - if (path) { - snprintf(buf, TP_PATH_LEN, "%s:%s", path->system, path->name); - free(path->name); - free(path->system); - free(path); - } else - snprintf(buf, TP_PATH_LEN, "%s:%s", "unknown", "unknown"); - - return buf; -} - -static int is_cache_op_valid(u8 cache_type, u8 cache_op) -{ - if (hw_cache_stat[cache_type] & COP(cache_op)) - return 1; /* valid */ - else - return 0; /* invalid */ -} - -static char *event_cache_name(u8 cache_type, u8 cache_op, u8 cache_result) -{ - static char name[50]; - - if (cache_result) { - sprintf(name, "%s-%s-%s", hw_cache[cache_type][0], - hw_cache_op[cache_op][0], - hw_cache_result[cache_result][0]); - } else { - sprintf(name, "%s-%s", hw_cache[cache_type][0], - hw_cache_op[cache_op][1]); - } - - return name; -} - const char *event_type(int type) { switch (type) { @@ -282,76 +239,6 @@ const char *event_type(int type) return "unknown"; } -const char *event_name(struct perf_evsel *evsel) -{ - u64 config = evsel->attr.config; - int type = evsel->attr.type; - - if (type == PERF_TYPE_RAW || type == PERF_TYPE_HARDWARE) { - /* - * XXX minimal fix, see comment on perf_evsen__name, this static buffer - * will go away together with event_name in the next devel cycle. - */ - static char bf[128]; - perf_evsel__name(evsel, bf, sizeof(bf)); - return bf; - } - - if (evsel->name) - return evsel->name; - - return __event_name(type, config); -} - -const char *__event_name(int type, u64 config) -{ - static char buf[32]; - - if (type == PERF_TYPE_RAW) { - sprintf(buf, "raw 0x%" PRIx64, config); - return buf; - } - - switch (type) { - case PERF_TYPE_HARDWARE: - return __perf_evsel__hw_name(config); - - case PERF_TYPE_HW_CACHE: { - u8 cache_type, cache_op, cache_result; - - cache_type = (config >> 0) & 0xff; - if (cache_type > PERF_COUNT_HW_CACHE_MAX) - return "unknown-ext-hardware-cache-type"; - - cache_op = (config >> 8) & 0xff; - if (cache_op > PERF_COUNT_HW_CACHE_OP_MAX) - return "unknown-ext-hardware-cache-op"; - - cache_result = (config >> 16) & 0xff; - if (cache_result > PERF_COUNT_HW_CACHE_RESULT_MAX) - return "unknown-ext-hardware-cache-result"; - - if (!is_cache_op_valid(cache_type, cache_op)) - return "invalid-cache"; - - return event_cache_name(cache_type, cache_op, cache_result); - } - - case PERF_TYPE_SOFTWARE: - if (config < PERF_COUNT_SW_MAX && sw_event_names[config]) - return sw_event_names[config]; - return "unknown-software"; - - case PERF_TYPE_TRACEPOINT: - return tracepoint_id_to_name(config); - - default: - break; - } - - return "unknown"; -} - static int add_event(struct list_head **_list, int *idx, struct perf_event_attr *attr, char *name) { @@ -373,19 +260,20 @@ static int add_event(struct list_head **_list, int *idx, return -ENOMEM; } - evsel->name = strdup(name); + if (name) + evsel->name = strdup(name); list_add_tail(&evsel->node, list); *_list = list; return 0; } -static int parse_aliases(char *str, const char *names[][MAX_ALIASES], int size) +static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) { int i, j; int n, longest = -1; for (i = 0; i < size; i++) { - for (j = 0; j < MAX_ALIASES && names[i][j]; j++) { + for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { n = strlen(names[i][j]); if (n > longest && !strncasecmp(str, names[i][j], n)) longest = n; @@ -410,7 +298,7 @@ int parse_events_add_cache(struct list_head **list, int *idx, * No fallback - if we cannot get a clear cache type * then bail out: */ - cache_type = parse_aliases(type, hw_cache, + cache_type = parse_aliases(type, perf_evsel__hw_cache, PERF_COUNT_HW_CACHE_MAX); if (cache_type == -1) return -EINVAL; @@ -423,18 +311,18 @@ int parse_events_add_cache(struct list_head **list, int *idx, snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str); if (cache_op == -1) { - cache_op = parse_aliases(str, hw_cache_op, + cache_op = parse_aliases(str, perf_evsel__hw_cache_op, PERF_COUNT_HW_CACHE_OP_MAX); if (cache_op >= 0) { - if (!is_cache_op_valid(cache_type, cache_op)) + if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) return -EINVAL; continue; } } if (cache_result == -1) { - cache_result = parse_aliases(str, hw_cache_result, - PERF_COUNT_HW_CACHE_RESULT_MAX); + cache_result = parse_aliases(str, perf_evsel__hw_cache_result, + PERF_COUNT_HW_CACHE_RESULT_MAX); if (cache_result >= 0) continue; } @@ -549,21 +437,31 @@ parse_breakpoint_type(const char *type, struct perf_event_attr *attr) if (!type || !type[i]) break; +#define CHECK_SET_TYPE(bit) \ +do { \ + if (attr->bp_type & bit) \ + return -EINVAL; \ + else \ + attr->bp_type |= bit; \ +} while (0) + switch (type[i]) { case 'r': - attr->bp_type |= HW_BREAKPOINT_R; + CHECK_SET_TYPE(HW_BREAKPOINT_R); break; case 'w': - attr->bp_type |= HW_BREAKPOINT_W; + CHECK_SET_TYPE(HW_BREAKPOINT_W); break; case 'x': - attr->bp_type |= HW_BREAKPOINT_X; + CHECK_SET_TYPE(HW_BREAKPOINT_X); break; default: return -EINVAL; } } +#undef CHECK_SET_TYPE + if (!attr->bp_type) /* Default */ attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; @@ -574,7 +472,6 @@ int parse_events_add_breakpoint(struct list_head **list, int *idx, void *ptr, char *type) { struct perf_event_attr attr; - char name[MAX_NAME_LEN]; memset(&attr, 0, sizeof(attr)); attr.bp_addr = (unsigned long) ptr; @@ -593,8 +490,7 @@ int parse_events_add_breakpoint(struct list_head **list, int *idx, attr.type = PERF_TYPE_BREAKPOINT; - snprintf(name, MAX_NAME_LEN, "mem:%p:%s", ptr, type ? type : "rw"); - return add_event(list, idx, &attr, name); + return add_event(list, idx, &attr, NULL); } static int config_term(struct perf_event_attr *attr, @@ -666,8 +562,7 @@ int parse_events_add_numeric(struct list_head **list, int *idx, config_attr(&attr, head_config, 1)) return -EINVAL; - return add_event(list, idx, &attr, - (char *) __event_name(type, config)); + return add_event(list, idx, &attr, NULL); } static int parse_events__is_name_term(struct parse_events__term *term) @@ -675,8 +570,7 @@ static int parse_events__is_name_term(struct parse_events__term *term) return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; } -static char *pmu_event_name(struct perf_event_attr *attr, - struct list_head *head_terms) +static char *pmu_event_name(struct list_head *head_terms) { struct parse_events__term *term; @@ -684,7 +578,7 @@ static char *pmu_event_name(struct perf_event_attr *attr, if (parse_events__is_name_term(term)) return term->val.str; - return (char *) __event_name(PERF_TYPE_RAW, attr->config); + return NULL; } int parse_events_add_pmu(struct list_head **list, int *idx, @@ -699,6 +593,9 @@ int parse_events_add_pmu(struct list_head **list, int *idx, memset(&attr, 0, sizeof(attr)); + if (perf_pmu__check_alias(pmu, head_config)) + return -EINVAL; + /* * Configure hardcoded terms first, no need to check * return value when called with fail == 0 ;) @@ -709,7 +606,7 @@ int parse_events_add_pmu(struct list_head **list, int *idx, return -EINVAL; return add_event(list, idx, &attr, - pmu_event_name(&attr, head_config)); + pmu_event_name(head_config)); } void parse_events_update_lists(struct list_head *list_event, @@ -787,27 +684,62 @@ int parse_events_modifier(struct list_head *list, char *str) return 0; } -int parse_events(struct perf_evlist *evlist, const char *str, int unset __used) +static int parse_events__scanner(const char *str, void *data, int start_token) { - LIST_HEAD(list); - LIST_HEAD(list_tmp); YY_BUFFER_STATE buffer; - int ret, idx = evlist->nr_entries; + void *scanner; + int ret; + + ret = parse_events_lex_init_extra(start_token, &scanner); + if (ret) + return ret; - buffer = parse_events__scan_string(str); + buffer = parse_events__scan_string(str, scanner); #ifdef PARSER_DEBUG parse_events_debug = 1; #endif - ret = parse_events_parse(&list, &idx); + ret = parse_events_parse(data, scanner); - parse_events__flush_buffer(buffer); - parse_events__delete_buffer(buffer); - parse_events_lex_destroy(); + parse_events__flush_buffer(buffer, scanner); + parse_events__delete_buffer(buffer, scanner); + parse_events_lex_destroy(scanner); + return ret; +} + +/* + * parse event config string, return a list of event terms. + */ +int parse_events_terms(struct list_head *terms, const char *str) +{ + struct parse_events_data__terms data = { + .terms = NULL, + }; + int ret; + ret = parse_events__scanner(str, &data, PE_START_TERMS); if (!ret) { - int entries = idx - evlist->nr_entries; - perf_evlist__splice_list_tail(evlist, &list, entries); + list_splice(data.terms, terms); + free(data.terms); + return 0; + } + + parse_events__free_terms(data.terms); + return ret; +} + +int parse_events(struct perf_evlist *evlist, const char *str, int unset __used) +{ + struct parse_events_data__events data = { + .list = LIST_HEAD_INIT(data.list), + .idx = evlist->nr_entries, + }; + int ret; + + ret = parse_events__scanner(str, &data, PE_START_EVENTS); + if (!ret) { + int entries = data.idx - evlist->nr_entries; + perf_evlist__splice_list_tail(evlist, &data.list, entries); return 0; } @@ -946,16 +878,13 @@ int is_valid_tracepoint(const char *event_string) return 0; } -void print_events_type(u8 type) +static void __print_events_type(u8 type, struct event_symbol *syms, + unsigned max) { - struct event_symbol *syms = event_symbols; - unsigned int i; char name[64]; + unsigned i; - for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) { - if (type != syms->type) - continue; - + for (i = 0; i < max ; i++, syms++) { if (strlen(syms->alias)) snprintf(name, sizeof(name), "%s OR %s", syms->symbol, syms->alias); @@ -967,19 +896,28 @@ void print_events_type(u8 type) } } +void print_events_type(u8 type) +{ + if (type == PERF_TYPE_SOFTWARE) + __print_events_type(type, event_symbols_sw, PERF_COUNT_SW_MAX); + else + __print_events_type(type, event_symbols_hw, PERF_COUNT_HW_MAX); +} + int print_hwcache_events(const char *event_glob) { unsigned int type, op, i, printed = 0; + char name[64]; for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { /* skip invalid cache type */ - if (!is_cache_op_valid(type, op)) + if (!perf_evsel__is_cache_op_valid(type, op)) continue; for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { - char *name = event_cache_name(type, op, i); - + __perf_evsel__hw_cache_type_op_res_name(type, op, i, + name, sizeof(name)); if (event_glob != NULL && !strglobmatch(name, event_glob)) continue; @@ -993,26 +931,13 @@ int print_hwcache_events(const char *event_glob) return printed; } -/* - * Print the help text for the event symbols: - */ -void print_events(const char *event_glob) +static void print_symbol_events(const char *event_glob, unsigned type, + struct event_symbol *syms, unsigned max) { - unsigned int i, type, prev_type = -1, printed = 0, ntypes_printed = 0; - struct event_symbol *syms = event_symbols; + unsigned i, printed = 0; char name[MAX_NAME_LEN]; - printf("\n"); - printf("List of pre-defined events (to be used in -e):\n"); - - for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) { - type = syms->type; - - if (type != prev_type && printed) { - printf("\n"); - printed = 0; - ntypes_printed++; - } + for (i = 0; i < max; i++, syms++) { if (event_glob != NULL && !(strglobmatch(syms->symbol, event_glob) || @@ -1023,17 +948,31 @@ void print_events(const char *event_glob) snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); else strncpy(name, syms->symbol, MAX_NAME_LEN); - printf(" %-50s [%s]\n", name, - event_type_descriptors[type]); - prev_type = type; - ++printed; + printf(" %-50s [%s]\n", name, event_type_descriptors[type]); + + printed++; } - if (ntypes_printed) { - printed = 0; + if (printed) printf("\n"); - } +} + +/* + * Print the help text for the event symbols: + */ +void print_events(const char *event_glob) +{ + + printf("\n"); + printf("List of pre-defined events (to be used in -e):\n"); + + print_symbol_events(event_glob, PERF_TYPE_HARDWARE, + event_symbols_hw, PERF_COUNT_HW_MAX); + + print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, + event_symbols_sw, PERF_COUNT_SW_MAX); + print_hwcache_events(event_glob); if (event_glob != NULL) @@ -1106,6 +1045,13 @@ int parse_events__term_str(struct parse_events__term **term, config, str, 0); } +int parse_events__term_clone(struct parse_events__term **new, + struct parse_events__term *term) +{ + return new_term(new, term->type_val, term->type_term, term->config, + term->val.str, term->val.num); +} + void parse_events__free_terms(struct list_head *terms) { struct parse_events__term *term, *h; diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index 8cac57ab4ee6..ee9c218a193c 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -26,13 +26,12 @@ extern struct tracepoint_path *tracepoint_id_to_path(u64 config); extern bool have_tracepoints(struct list_head *evlist); const char *event_type(int type); -const char *event_name(struct perf_evsel *event); -extern const char *__event_name(int type, u64 config); extern int parse_events_option(const struct option *opt, const char *str, int unset); extern int parse_events(struct perf_evlist *evlist, const char *str, int unset); +extern int parse_events_terms(struct list_head *terms, const char *str); extern int parse_filter(const struct option *opt, const char *str, int unset); #define EVENTS_HELP_MAX (128*1024) @@ -63,11 +62,22 @@ struct parse_events__term { struct list_head list; }; +struct parse_events_data__events { + struct list_head list; + int idx; +}; + +struct parse_events_data__terms { + struct list_head *terms; +}; + int parse_events__is_hardcoded_term(struct parse_events__term *term); int parse_events__term_num(struct parse_events__term **_term, int type_term, char *config, long num); int parse_events__term_str(struct parse_events__term **_term, int type_term, char *config, char *str); +int parse_events__term_clone(struct parse_events__term **new, + struct parse_events__term *term); void parse_events__free_terms(struct list_head *terms); int parse_events_modifier(struct list_head *list, char *str); int parse_events_add_tracepoint(struct list_head **list, int *idx, @@ -83,8 +93,7 @@ int parse_events_add_pmu(struct list_head **list, int *idx, char *pmu , struct list_head *head_config); void parse_events_update_lists(struct list_head *list_event, struct list_head *list_all); -void parse_events_error(struct list_head *list_all, - int *idx, char const *msg); +void parse_events_error(void *data, void *scanner, char const *msg); int parse_events__test(void); void print_events(const char *event_glob); diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 618a8e788399..384ca74c6b22 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -1,4 +1,6 @@ +%option reentrant +%option bison-bridge %option prefix="parse_events_" %option stack @@ -8,7 +10,10 @@ #include "parse-events-bison.h" #include "parse-events.h" -static int __value(char *str, int base, int token) +char *parse_events_get_text(yyscan_t yyscanner); +YYSTYPE *parse_events_get_lval(yyscan_t yyscanner); + +static int __value(YYSTYPE *yylval, char *str, int base, int token) { long num; @@ -17,35 +22,48 @@ static int __value(char *str, int base, int token) if (errno) return PE_ERROR; - parse_events_lval.num = num; + yylval->num = num; return token; } -static int value(int base) +static int value(yyscan_t scanner, int base) { - return __value(parse_events_text, base, PE_VALUE); + YYSTYPE *yylval = parse_events_get_lval(scanner); + char *text = parse_events_get_text(scanner); + + return __value(yylval, text, base, PE_VALUE); } -static int raw(void) +static int raw(yyscan_t scanner) { - return __value(parse_events_text + 1, 16, PE_RAW); + YYSTYPE *yylval = parse_events_get_lval(scanner); + char *text = parse_events_get_text(scanner); + + return __value(yylval, text + 1, 16, PE_RAW); } -static int str(int token) +static int str(yyscan_t scanner, int token) { - parse_events_lval.str = strdup(parse_events_text); + YYSTYPE *yylval = parse_events_get_lval(scanner); + char *text = parse_events_get_text(scanner); + + yylval->str = strdup(text); return token; } -static int sym(int type, int config) +static int sym(yyscan_t scanner, int type, int config) { - parse_events_lval.num = (type << 16) + config; - return PE_VALUE_SYM; + YYSTYPE *yylval = parse_events_get_lval(scanner); + + yylval->num = (type << 16) + config; + return type == PERF_TYPE_HARDWARE ? PE_VALUE_SYM_HW : PE_VALUE_SYM_SW; } -static int term(int type) +static int term(yyscan_t scanner, int type) { - parse_events_lval.num = type; + YYSTYPE *yylval = parse_events_get_lval(scanner); + + yylval->num = type; return PE_TERM; } @@ -58,28 +76,41 @@ num_hex 0x[a-fA-F0-9]+ num_raw_hex [a-fA-F0-9]+ name [a-zA-Z_*?][a-zA-Z0-9_*?]* modifier_event [ukhpGH]{1,8} -modifier_bp [rwx] +modifier_bp [rwx]{1,3} %% -cpu-cycles|cycles { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); } -stalled-cycles-frontend|idle-cycles-frontend { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } -stalled-cycles-backend|idle-cycles-backend { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } -instructions { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); } -cache-references { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); } -cache-misses { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); } -branch-instructions|branches { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } -branch-misses { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); } -bus-cycles { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); } -ref-cycles { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); } -cpu-clock { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); } -task-clock { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); } -page-faults|faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); } -minor-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); } -major-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); } -context-switches|cs { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); } -cpu-migrations|migrations { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); } -alignment-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } -emulation-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } + +%{ + { + int start_token; + + start_token = (int) parse_events_get_extra(yyscanner); + if (start_token) { + parse_events_set_extra(NULL, yyscanner); + return start_token; + } + } +%} + +cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); } +stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } +stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } +instructions { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); } +cache-references { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); } +cache-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); } +branch-instructions|branches { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } +branch-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); } +bus-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); } +ref-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); } +cpu-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); } +task-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); } +page-faults|faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); } +minor-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); } +major-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); } +context-switches|cs { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); } +cpu-migrations|migrations { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); } +alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } +emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } L1-dcache|l1-d|l1d|L1-data | L1-icache|l1-i|l1i|L1-instruction | @@ -87,14 +118,14 @@ LLC|L2 | dTLB|d-tlb|Data-TLB | iTLB|i-tlb|Instruction-TLB | branch|branches|bpu|btb|bpc | -node { return str(PE_NAME_CACHE_TYPE); } +node { return str(yyscanner, PE_NAME_CACHE_TYPE); } load|loads|read | store|stores|write | prefetch|prefetches | speculative-read|speculative-load | refs|Reference|ops|access | -misses|miss { return str(PE_NAME_CACHE_OP_RESULT); } +misses|miss { return str(yyscanner, PE_NAME_CACHE_OP_RESULT); } /* * These are event config hardcoded term names to be specified @@ -102,38 +133,39 @@ misses|miss { return str(PE_NAME_CACHE_OP_RESULT); } * so we can put them here directly. In case the we have a conflict * in future, this needs to go into '//' condition block. */ -config { return term(PARSE_EVENTS__TERM_TYPE_CONFIG); } -config1 { return term(PARSE_EVENTS__TERM_TYPE_CONFIG1); } -config2 { return term(PARSE_EVENTS__TERM_TYPE_CONFIG2); } -name { return term(PARSE_EVENTS__TERM_TYPE_NAME); } -period { return term(PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } -branch_type { return term(PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } +config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); } +config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); } +config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); } +name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); } +period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } +branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } mem: { BEGIN(mem); return PE_PREFIX_MEM; } -r{num_raw_hex} { return raw(); } -{num_dec} { return value(10); } -{num_hex} { return value(16); } +r{num_raw_hex} { return raw(yyscanner); } +{num_dec} { return value(yyscanner, 10); } +{num_hex} { return value(yyscanner, 16); } -{modifier_event} { return str(PE_MODIFIER_EVENT); } -{name} { return str(PE_NAME); } +{modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); } +{name} { return str(yyscanner, PE_NAME); } "/" { return '/'; } - { return '-'; } , { return ','; } : { return ':'; } = { return '='; } +\n { } <mem>{ -{modifier_bp} { return str(PE_MODIFIER_BP); } +{modifier_bp} { return str(yyscanner, PE_MODIFIER_BP); } : { return ':'; } -{num_dec} { return value(10); } -{num_hex} { return value(16); } +{num_dec} { return value(yyscanner, 10); } +{num_hex} { return value(yyscanner, 16); } /* * We need to separate 'mem:' scanner part, in order to get specific * modifier bits parsed out. Otherwise we would need to handle PE_NAME * and we'd need to parse it manually. During the escape from <mem> * state we need to put the escaping char back, so we dont miss it. */ -. { unput(*parse_events_text); BEGIN(INITIAL); } +. { unput(*yytext); BEGIN(INITIAL); } /* * We destroy the scanner after reaching EOF, * but anyway just to be sure get back to INIT state. @@ -143,7 +175,7 @@ r{num_raw_hex} { return raw(); } %% -int parse_events_wrap(void) +int parse_events_wrap(void *scanner __used) { return 1; } diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 362cc59332ae..2bc5fbff2b5d 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -1,7 +1,8 @@ - +%pure-parser %name-prefix "parse_events_" -%parse-param {struct list_head *list_all} -%parse-param {int *idx} +%parse-param {void *_data} +%parse-param {void *scanner} +%lex-param {void* scanner} %{ @@ -12,8 +13,9 @@ #include "types.h" #include "util.h" #include "parse-events.h" +#include "parse-events-bison.h" -extern int parse_events_lex (void); +extern int parse_events_lex (YYSTYPE* lvalp, void* scanner); #define ABORT_ON(val) \ do { \ @@ -23,14 +25,16 @@ do { \ %} -%token PE_VALUE PE_VALUE_SYM PE_RAW PE_TERM +%token PE_START_EVENTS PE_START_TERMS +%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM %token PE_NAME %token PE_MODIFIER_EVENT PE_MODIFIER_BP %token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT %token PE_PREFIX_MEM PE_PREFIX_RAW %token PE_ERROR %type <num> PE_VALUE -%type <num> PE_VALUE_SYM +%type <num> PE_VALUE_SYM_HW +%type <num> PE_VALUE_SYM_SW %type <num> PE_RAW %type <num> PE_TERM %type <str> PE_NAME @@ -38,6 +42,7 @@ do { \ %type <str> PE_NAME_CACHE_OP_RESULT %type <str> PE_MODIFIER_EVENT %type <str> PE_MODIFIER_BP +%type <num> value_sym %type <head> event_config %type <term> event_term %type <head> event_pmu @@ -58,24 +63,33 @@ do { \ } %% +start: +PE_START_EVENTS events +| +PE_START_TERMS terms + events: events ',' event | event event: event_def PE_MODIFIER_EVENT { + struct parse_events_data__events *data = _data; + /* * Apply modifier on all events added by single event definition * (there could be more events added for multiple tracepoint * definitions via '*?'. */ ABORT_ON(parse_events_modifier($1, $2)); - parse_events_update_lists($1, list_all); + parse_events_update_lists($1, &data->list); } | event_def { - parse_events_update_lists($1, list_all); + struct parse_events_data__events *data = _data; + + parse_events_update_lists($1, &data->list); } event_def: event_pmu | @@ -89,104 +103,131 @@ event_def: event_pmu | event_pmu: PE_NAME '/' event_config '/' { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; - ABORT_ON(parse_events_add_pmu(&list, idx, $1, $3)); + ABORT_ON(parse_events_add_pmu(&list, &data->idx, $1, $3)); parse_events__free_terms($3); $$ = list; } +value_sym: +PE_VALUE_SYM_HW +| +PE_VALUE_SYM_SW + event_legacy_symbol: -PE_VALUE_SYM '/' event_config '/' +value_sym '/' event_config '/' { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; int type = $1 >> 16; int config = $1 & 255; - ABORT_ON(parse_events_add_numeric(&list, idx, type, config, $3)); + ABORT_ON(parse_events_add_numeric(&list, &data->idx, + type, config, $3)); parse_events__free_terms($3); $$ = list; } | -PE_VALUE_SYM sep_slash_dc +value_sym sep_slash_dc { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; int type = $1 >> 16; int config = $1 & 255; - ABORT_ON(parse_events_add_numeric(&list, idx, type, config, NULL)); + ABORT_ON(parse_events_add_numeric(&list, &data->idx, + type, config, NULL)); $$ = list; } event_legacy_cache: PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; - ABORT_ON(parse_events_add_cache(&list, idx, $1, $3, $5)); + ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, $5)); $$ = list; } | PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; - ABORT_ON(parse_events_add_cache(&list, idx, $1, $3, NULL)); + ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, $3, NULL)); $$ = list; } | PE_NAME_CACHE_TYPE { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; - ABORT_ON(parse_events_add_cache(&list, idx, $1, NULL, NULL)); + ABORT_ON(parse_events_add_cache(&list, &data->idx, $1, NULL, NULL)); $$ = list; } event_legacy_mem: PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; - ABORT_ON(parse_events_add_breakpoint(&list, idx, (void *) $2, $4)); + ABORT_ON(parse_events_add_breakpoint(&list, &data->idx, + (void *) $2, $4)); $$ = list; } | PE_PREFIX_MEM PE_VALUE sep_dc { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; - ABORT_ON(parse_events_add_breakpoint(&list, idx, (void *) $2, NULL)); + ABORT_ON(parse_events_add_breakpoint(&list, &data->idx, + (void *) $2, NULL)); $$ = list; } event_legacy_tracepoint: PE_NAME ':' PE_NAME { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; - ABORT_ON(parse_events_add_tracepoint(&list, idx, $1, $3)); + ABORT_ON(parse_events_add_tracepoint(&list, &data->idx, $1, $3)); $$ = list; } event_legacy_numeric: PE_VALUE ':' PE_VALUE { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; - ABORT_ON(parse_events_add_numeric(&list, idx, $1, $3, NULL)); + ABORT_ON(parse_events_add_numeric(&list, &data->idx, $1, $3, NULL)); $$ = list; } event_legacy_raw: PE_RAW { + struct parse_events_data__events *data = _data; struct list_head *list = NULL; - ABORT_ON(parse_events_add_numeric(&list, idx, PERF_TYPE_RAW, $1, NULL)); + ABORT_ON(parse_events_add_numeric(&list, &data->idx, + PERF_TYPE_RAW, $1, NULL)); $$ = list; } +terms: event_config +{ + struct parse_events_data__terms *data = _data; + data->terms = $1; +} + event_config: event_config ',' event_term { @@ -267,8 +308,7 @@ sep_slash_dc: '/' | ':' | %% -void parse_events_error(struct list_head *list_all __used, - int *idx __used, +void parse_events_error(void *data __used, void *scanner __used, char const *msg __used) { } diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index a119a5371699..67715a42cd6d 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -72,7 +72,7 @@ static int pmu_format(char *name, struct list_head *format) "%s/bus/event_source/devices/%s/format", sysfs, name); if (stat(path, &st) < 0) - return -1; + return 0; /* no error if format does not exist */ if (pmu_format_parse(path, format)) return -1; @@ -80,6 +80,114 @@ static int pmu_format(char *name, struct list_head *format) return 0; } +static int perf_pmu__new_alias(struct list_head *list, char *name, FILE *file) +{ + struct perf_pmu__alias *alias; + char buf[256]; + int ret; + + ret = fread(buf, 1, sizeof(buf), file); + if (ret == 0) + return -EINVAL; + buf[ret] = 0; + + alias = malloc(sizeof(*alias)); + if (!alias) + return -ENOMEM; + + INIT_LIST_HEAD(&alias->terms); + ret = parse_events_terms(&alias->terms, buf); + if (ret) { + free(alias); + return ret; + } + + alias->name = strdup(name); + list_add_tail(&alias->list, list); + return 0; +} + +/* + * Process all the sysfs attributes located under the directory + * specified in 'dir' parameter. + */ +static int pmu_aliases_parse(char *dir, struct list_head *head) +{ + struct dirent *evt_ent; + DIR *event_dir; + int ret = 0; + + event_dir = opendir(dir); + if (!event_dir) + return -EINVAL; + + while (!ret && (evt_ent = readdir(event_dir))) { + char path[PATH_MAX]; + char *name = evt_ent->d_name; + FILE *file; + + if (!strcmp(name, ".") || !strcmp(name, "..")) + continue; + + snprintf(path, PATH_MAX, "%s/%s", dir, name); + + ret = -EINVAL; + file = fopen(path, "r"); + if (!file) + break; + ret = perf_pmu__new_alias(head, name, file); + fclose(file); + } + + closedir(event_dir); + return ret; +} + +/* + * Reading the pmu event aliases definition, which should be located at: + * /sys/bus/event_source/devices/<dev>/events as sysfs group attributes. + */ +static int pmu_aliases(char *name, struct list_head *head) +{ + struct stat st; + char path[PATH_MAX]; + const char *sysfs; + + sysfs = sysfs_find_mountpoint(); + if (!sysfs) + return -1; + + snprintf(path, PATH_MAX, + "%s/bus/event_source/devices/%s/events", sysfs, name); + + if (stat(path, &st) < 0) + return -1; + + if (pmu_aliases_parse(path, head)) + return -1; + + return 0; +} + +static int pmu_alias_terms(struct perf_pmu__alias *alias, + struct list_head *terms) +{ + struct parse_events__term *term, *clone; + LIST_HEAD(list); + int ret; + + list_for_each_entry(term, &alias->terms, list) { + ret = parse_events__term_clone(&clone, term); + if (ret) { + parse_events__free_terms(&list); + return ret; + } + list_add_tail(&clone->list, &list); + } + list_splice(&list, terms); + return 0; +} + /* * Reading/parsing the default pmu type value, which should be * located at: @@ -118,6 +226,7 @@ static struct perf_pmu *pmu_lookup(char *name) { struct perf_pmu *pmu; LIST_HEAD(format); + LIST_HEAD(aliases); __u32 type; /* @@ -135,10 +244,15 @@ static struct perf_pmu *pmu_lookup(char *name) if (!pmu) return NULL; + pmu_aliases(name, &aliases); + INIT_LIST_HEAD(&pmu->format); + INIT_LIST_HEAD(&pmu->aliases); list_splice(&format, &pmu->format); + list_splice(&aliases, &pmu->aliases); pmu->name = strdup(name); pmu->type = type; + list_add_tail(&pmu->list, &pmus); return pmu; } @@ -279,6 +393,59 @@ int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, return pmu_config(&pmu->format, attr, head_terms); } +static struct perf_pmu__alias *pmu_find_alias(struct perf_pmu *pmu, + struct parse_events__term *term) +{ + struct perf_pmu__alias *alias; + char *name; + + if (parse_events__is_hardcoded_term(term)) + return NULL; + + if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM) { + if (term->val.num != 1) + return NULL; + if (pmu_find_format(&pmu->format, term->config)) + return NULL; + name = term->config; + } else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR) { + if (strcasecmp(term->config, "event")) + return NULL; + name = term->val.str; + } else { + return NULL; + } + + list_for_each_entry(alias, &pmu->aliases, list) { + if (!strcasecmp(alias->name, name)) + return alias; + } + return NULL; +} + +/* + * Find alias in the terms list and replace it with the terms + * defined for the alias + */ +int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms) +{ + struct parse_events__term *term, *h; + struct perf_pmu__alias *alias; + int ret; + + list_for_each_entry_safe(term, h, head_terms, list) { + alias = pmu_find_alias(pmu, term); + if (!alias) + continue; + ret = pmu_alias_terms(alias, &term->list); + if (ret) + return ret; + list_del(&term->list); + free(term); + } + return 0; +} + int perf_pmu__new_format(struct list_head *list, char *name, int config, unsigned long *bits) { diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 68c0db965e1f..535f2c5258ab 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -19,17 +19,26 @@ struct perf_pmu__format { struct list_head list; }; +struct perf_pmu__alias { + char *name; + struct list_head terms; + struct list_head list; +}; + struct perf_pmu { char *name; __u32 type; struct list_head format; + struct list_head aliases; struct list_head list; }; struct perf_pmu *perf_pmu__find(char *name); int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, struct list_head *head_terms); - +int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms); +struct list_head *perf_pmu__alias(struct perf_pmu *pmu, + struct list_head *head_terms); int perf_pmu_wrap(void); void perf_pmu_error(struct list_head *list, char *name, char const *msg); diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c index 4c1b3d72a1d2..02dfa19a467f 100644 --- a/tools/perf/util/scripting-engines/trace-event-perl.c +++ b/tools/perf/util/scripting-engines/trace-event-perl.c @@ -209,6 +209,10 @@ static void define_event_symbols(struct event_format *event, define_symbolic_values(args->symbol.symbols, ev_name, cur_field_name); break; + case PRINT_HEX: + define_event_symbols(event, ev_name, args->hex.field); + define_event_symbols(event, ev_name, args->hex.size); + break; case PRINT_BSTRING: case PRINT_DYNAMIC_ARRAY: case PRINT_STRING: @@ -233,7 +237,8 @@ static void define_event_symbols(struct event_format *event, define_event_symbols(event, ev_name, args->next); } -static inline struct event_format *find_cache_event(int type) +static inline +struct event_format *find_cache_event(struct pevent *pevent, int type) { static char ev_name[256]; struct event_format *event; @@ -241,7 +246,7 @@ static inline struct event_format *find_cache_event(int type) if (events[type]) return events[type]; - events[type] = event = trace_find_event(type); + events[type] = event = pevent_find_event(pevent, type); if (!event) return NULL; @@ -252,7 +257,8 @@ static inline struct event_format *find_cache_event(int type) return event; } -static void perl_process_tracepoint(union perf_event *pevent __unused, +static void perl_process_tracepoint(union perf_event *perf_event __unused, + struct pevent *pevent, struct perf_sample *sample, struct perf_evsel *evsel, struct machine *machine __unused, @@ -275,13 +281,13 @@ static void perl_process_tracepoint(union perf_event *pevent __unused, if (evsel->attr.type != PERF_TYPE_TRACEPOINT) return; - type = trace_parse_common_type(data); + type = trace_parse_common_type(pevent, data); - event = find_cache_event(type); + event = find_cache_event(pevent, type); if (!event) die("ug! no event found for type %d", type); - pid = trace_parse_common_pid(data); + pid = trace_parse_common_pid(pevent, data); sprintf(handler, "%s::%s", event->system, event->name); @@ -314,7 +320,8 @@ static void perl_process_tracepoint(union perf_event *pevent __unused, offset = field->offset; XPUSHs(sv_2mortal(newSVpv((char *)data + offset, 0))); } else { /* FIELD_IS_NUMERIC */ - val = read_size(data + field->offset, field->size); + val = read_size(pevent, data + field->offset, + field->size); if (field->flags & FIELD_IS_SIGNED) { XPUSHs(sv_2mortal(newSViv(val))); } else { @@ -368,14 +375,15 @@ static void perl_process_event_generic(union perf_event *pevent __unused, LEAVE; } -static void perl_process_event(union perf_event *pevent, +static void perl_process_event(union perf_event *event, + struct pevent *pevent, struct perf_sample *sample, struct perf_evsel *evsel, struct machine *machine, struct thread *thread) { - perl_process_tracepoint(pevent, sample, evsel, machine, thread); - perl_process_event_generic(pevent, sample, evsel, machine, thread); + perl_process_tracepoint(event, pevent, sample, evsel, machine, thread); + perl_process_event_generic(event, sample, evsel, machine, thread); } static void run_start_sub(void) @@ -448,7 +456,7 @@ static int perl_stop_script(void) return 0; } -static int perl_generate_script(const char *outfile) +static int perl_generate_script(struct pevent *pevent, const char *outfile) { struct event_format *event = NULL; struct format_field *f; @@ -495,7 +503,7 @@ static int perl_generate_script(const char *outfile) fprintf(ofp, "sub trace_begin\n{\n\t# optional\n}\n\n"); fprintf(ofp, "sub trace_end\n{\n\t# optional\n}\n\n"); - while ((event = trace_find_next_event(event))) { + while ((event = trace_find_next_event(pevent, event))) { fprintf(ofp, "sub %s::%s\n{\n", event->system, event->name); fprintf(ofp, "\tmy ("); diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index acb9795286c4..ce4d1b0c3862 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -166,6 +166,10 @@ static void define_event_symbols(struct event_format *event, define_values(PRINT_SYMBOL, args->symbol.symbols, ev_name, cur_field_name); break; + case PRINT_HEX: + define_event_symbols(event, ev_name, args->hex.field); + define_event_symbols(event, ev_name, args->hex.size); + break; case PRINT_STRING: break; case PRINT_TYPE: @@ -190,7 +194,8 @@ static void define_event_symbols(struct event_format *event, define_event_symbols(event, ev_name, args->next); } -static inline struct event_format *find_cache_event(int type) +static inline +struct event_format *find_cache_event(struct pevent *pevent, int type) { static char ev_name[256]; struct event_format *event; @@ -198,7 +203,7 @@ static inline struct event_format *find_cache_event(int type) if (events[type]) return events[type]; - events[type] = event = trace_find_event(type); + events[type] = event = pevent_find_event(pevent, type); if (!event) return NULL; @@ -209,7 +214,8 @@ static inline struct event_format *find_cache_event(int type) return event; } -static void python_process_event(union perf_event *pevent __unused, +static void python_process_event(union perf_event *perf_event __unused, + struct pevent *pevent, struct perf_sample *sample, struct perf_evsel *evsel __unused, struct machine *machine __unused, @@ -233,13 +239,13 @@ static void python_process_event(union perf_event *pevent __unused, if (!t) Py_FatalError("couldn't create Python tuple"); - type = trace_parse_common_type(data); + type = trace_parse_common_type(pevent, data); - event = find_cache_event(type); + event = find_cache_event(pevent, type); if (!event) die("ug! no event found for type %d", type); - pid = trace_parse_common_pid(data); + pid = trace_parse_common_pid(pevent, data); sprintf(handler_name, "%s__%s", event->system, event->name); @@ -284,7 +290,8 @@ static void python_process_event(union perf_event *pevent __unused, offset = field->offset; obj = PyString_FromString((char *)data + offset); } else { /* FIELD_IS_NUMERIC */ - val = read_size(data + field->offset, field->size); + val = read_size(pevent, data + field->offset, + field->size); if (field->flags & FIELD_IS_SIGNED) { if ((long long)val >= LONG_MIN && (long long)val <= LONG_MAX) @@ -438,7 +445,7 @@ out: return err; } -static int python_generate_script(const char *outfile) +static int python_generate_script(struct pevent *pevent, const char *outfile) { struct event_format *event = NULL; struct format_field *f; @@ -487,7 +494,7 @@ static int python_generate_script(const char *outfile) fprintf(ofp, "def trace_end():\n"); fprintf(ofp, "\tprint \"in trace_end\"\n\n"); - while ((event = trace_find_next_event(event))) { + while ((event = trace_find_next_event(pevent, event))) { fprintf(ofp, "def %s__%s(", event->system, event->name); fprintf(ofp, "event_name, "); fprintf(ofp, "context, "); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 56142d0fb8d7..8e485592ca20 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -14,6 +14,7 @@ #include "sort.h" #include "util.h" #include "cpumap.h" +#include "event-parse.h" static int perf_session__open(struct perf_session *self, bool force) { @@ -289,7 +290,6 @@ struct branch_info *machine__resolve_bstack(struct machine *self, } int machine__resolve_callchain(struct machine *self, - struct perf_evsel *evsel __used, struct thread *thread, struct ip_callchain *chain, struct symbol **parent) @@ -1449,7 +1449,7 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) ret += hists__fprintf_nr_events(&session->hists, fp); list_for_each_entry(pos, &session->evlist->entries, node) { - ret += fprintf(fp, "%s stats:\n", event_name(pos)); + ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos)); ret += hists__fprintf_nr_events(&pos->hists, fp); } @@ -1490,8 +1490,8 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, } void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, - struct machine *machine, struct perf_evsel *evsel, - int print_sym, int print_dso, int print_symoffset) + struct machine *machine, int print_sym, + int print_dso, int print_symoffset) { struct addr_location al; struct callchain_cursor_node *node; @@ -1505,7 +1505,7 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, if (symbol_conf.use_callchain && sample->callchain) { - if (machine__resolve_callchain(machine, evsel, al.thread, + if (machine__resolve_callchain(machine, al.thread, sample->callchain, NULL) != 0) { if (verbose) error("Failed to resolve callchain. Skipping\n"); @@ -1611,3 +1611,58 @@ void perf_session__fprintf_info(struct perf_session *session, FILE *fp, perf_header__fprintf_info(session, fp, full); fprintf(fp, "# ========\n#\n"); } + + +int __perf_session__set_tracepoints_handlers(struct perf_session *session, + const struct perf_evsel_str_handler *assocs, + size_t nr_assocs) +{ + struct perf_evlist *evlist = session->evlist; + struct event_format *format; + struct perf_evsel *evsel; + char *tracepoint, *name; + size_t i; + int err; + + for (i = 0; i < nr_assocs; i++) { + err = -ENOMEM; + tracepoint = strdup(assocs[i].name); + if (tracepoint == NULL) + goto out; + + err = -ENOENT; + name = strchr(tracepoint, ':'); + if (name == NULL) + goto out_free; + + *name++ = '\0'; + format = pevent_find_event_by_name(session->pevent, + tracepoint, name); + if (format == NULL) { + /* + * Adding a handler for an event not in the session, + * just ignore it. + */ + goto next; + } + + evsel = perf_evlist__find_tracepoint_by_id(evlist, format->id); + if (evsel == NULL) + goto next; + + err = -EEXIST; + if (evsel->handler.func != NULL) + goto out_free; + evsel->handler.func = assocs[i].handler; +next: + free(tracepoint); + } + + err = 0; +out: + return err; + +out_free: + free(tracepoint); + goto out; +} diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 0c702e3f0a36..7c435bde6eb0 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -33,6 +33,7 @@ struct perf_session { struct machine host_machine; struct rb_root machines; struct perf_evlist *evlist; + struct pevent *pevent; /* * FIXME: Need to split this up further, we need global * stats + per event stats. 'perf diff' also needs @@ -151,11 +152,20 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, unsigned int type); void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, - struct machine *machine, struct perf_evsel *evsel, - int print_sym, int print_dso, int print_symoffset); + struct machine *machine, int print_sym, + int print_dso, int print_symoffset); int perf_session__cpu_bitmap(struct perf_session *session, const char *cpu_list, unsigned long *cpu_bitmap); void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); + +struct perf_evsel_str_handler; + +int __perf_session__set_tracepoints_handlers(struct perf_session *session, + const struct perf_evsel_str_handler *assocs, + size_t nr_assocs); + +#define perf_session__set_tracepoints_handlers(session, array) \ + __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) #endif /* __PERF_SESSION_H */ diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index a27237430c5f..0f5a0a496bc4 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -241,6 +241,54 @@ struct sort_entry sort_sym = { .se_width_idx = HISTC_SYMBOL, }; +/* --sort srcline */ + +static int64_t +sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return (int64_t)(right->ip - left->ip); +} + +static int hist_entry__srcline_snprintf(struct hist_entry *self, char *bf, + size_t size, unsigned int width __used) +{ + FILE *fp; + char cmd[PATH_MAX + 2], *path = self->srcline, *nl; + size_t line_len; + + if (path != NULL) + goto out_path; + + snprintf(cmd, sizeof(cmd), "addr2line -e %s %016" PRIx64, + self->ms.map->dso->long_name, self->ip); + fp = popen(cmd, "r"); + if (!fp) + goto out_ip; + + if (getline(&path, &line_len, fp) < 0 || !line_len) + goto out_ip; + fclose(fp); + self->srcline = strdup(path); + if (self->srcline == NULL) + goto out_ip; + + nl = strchr(self->srcline, '\n'); + if (nl != NULL) + *nl = '\0'; + path = self->srcline; +out_path: + return repsep_snprintf(bf, size, "%s", path); +out_ip: + return repsep_snprintf(bf, size, "%-#*llx", BITS_PER_LONG / 4, self->ip); +} + +struct sort_entry sort_srcline = { + .se_header = "Source:Line", + .se_cmp = sort__srcline_cmp, + .se_snprintf = hist_entry__srcline_snprintf, + .se_width_idx = HISTC_SRCLINE, +}; + /* --sort parent */ static int64_t @@ -439,6 +487,7 @@ static struct sort_dimension sort_dimensions[] = { DIM(SORT_PARENT, "parent", sort_parent), DIM(SORT_CPU, "cpu", sort_cpu), DIM(SORT_MISPREDICT, "mispredict", sort_mispredict), + DIM(SORT_SRCLINE, "srcline", sort_srcline), }; int sort_dimension__add(const char *tok) diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 472aa5a63a58..e724b26acd51 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -71,6 +71,7 @@ struct hist_entry { char level; bool used; u8 filtered; + char *srcline; struct symbol *parent; union { unsigned long position; @@ -93,6 +94,7 @@ enum sort_type { SORT_SYM_FROM, SORT_SYM_TO, SORT_MISPREDICT, + SORT_SRCLINE, }; /* diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index d5836382ff2c..199bc4d8905d 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -313,3 +313,25 @@ int strtailcmp(const char *s1, const char *s2) return 0; } +/** + * rtrim - Removes trailing whitespace from @s. + * @s: The string to be stripped. + * + * Note that the first trailing whitespace is replaced with a %NUL-terminator + * in the given string @s. Returns @s. + */ +char *rtrim(char *s) +{ + size_t size = strlen(s); + char *end; + + if (!size) + return s; + + end = s + size - 1; + while (end >= s && isspace(*end)) + end--; + *(end + 1) = '\0'; + + return s; +} diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 3e2e5ea0f03f..50958bbeb26a 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1478,14 +1478,31 @@ static int elf_read_build_id(Elf *elf, void *bf, size_t size) goto out; } - sec = elf_section_by_name(elf, &ehdr, &shdr, - ".note.gnu.build-id", NULL); - if (sec == NULL) { + /* + * Check following sections for notes: + * '.note.gnu.build-id' + * '.notes' + * '.note' (VDSO specific) + */ + do { + sec = elf_section_by_name(elf, &ehdr, &shdr, + ".note.gnu.build-id", NULL); + if (sec) + break; + sec = elf_section_by_name(elf, &ehdr, &shdr, ".notes", NULL); - if (sec == NULL) - goto out; - } + if (sec) + break; + + sec = elf_section_by_name(elf, &ehdr, &shdr, + ".note", NULL); + if (sec) + break; + + return err; + + } while (0); data = elf_getdata(sec, NULL); if (data == NULL) @@ -1590,11 +1607,62 @@ out: return err; } +static int filename__read_debuglink(const char *filename, + char *debuglink, size_t size) +{ + int fd, err = -1; + Elf *elf; + GElf_Ehdr ehdr; + GElf_Shdr shdr; + Elf_Data *data; + Elf_Scn *sec; + Elf_Kind ek; + + fd = open(filename, O_RDONLY); + if (fd < 0) + goto out; + + elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); + if (elf == NULL) { + pr_debug2("%s: cannot read %s ELF file.\n", __func__, filename); + goto out_close; + } + + ek = elf_kind(elf); + if (ek != ELF_K_ELF) + goto out_close; + + if (gelf_getehdr(elf, &ehdr) == NULL) { + pr_err("%s: cannot get elf header.\n", __func__); + goto out_close; + } + + sec = elf_section_by_name(elf, &ehdr, &shdr, + ".gnu_debuglink", NULL); + if (sec == NULL) + goto out_close; + + data = elf_getdata(sec, NULL); + if (data == NULL) + goto out_close; + + /* the start of this section is a zero-terminated string */ + strncpy(debuglink, data->d_buf, size); + + elf_end(elf); + +out_close: + close(fd); +out: + return err; +} + char dso__symtab_origin(const struct dso *dso) { static const char origin[] = { [SYMTAB__KALLSYMS] = 'k', [SYMTAB__JAVA_JIT] = 'j', + [SYMTAB__DEBUGLINK] = 'l', [SYMTAB__BUILD_ID_CACHE] = 'B', [SYMTAB__FEDORA_DEBUGINFO] = 'f', [SYMTAB__UBUNTU_DEBUGINFO] = 'u', @@ -1662,10 +1730,22 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) */ want_symtab = 1; restart: - for (dso->symtab_type = SYMTAB__BUILD_ID_CACHE; + for (dso->symtab_type = SYMTAB__DEBUGLINK; dso->symtab_type != SYMTAB__NOT_FOUND; dso->symtab_type++) { switch (dso->symtab_type) { + case SYMTAB__DEBUGLINK: { + char *debuglink; + strncpy(name, dso->long_name, size); + debuglink = name + dso->long_name_len; + while (debuglink != name && *debuglink != '/') + debuglink--; + if (*debuglink == '/') + debuglink++; + filename__read_debuglink(dso->long_name, debuglink, + size - (debuglink - name)); + } + break; case SYMTAB__BUILD_ID_CACHE: /* skip the locally configured cache if a symfs is given */ if (symbol_conf.symfs[0] || diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index af0752b1aca1..a884b99017f0 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -257,6 +257,7 @@ enum symtab_type { SYMTAB__KALLSYMS = 0, SYMTAB__GUEST_KALLSYMS, SYMTAB__JAVA_JIT, + SYMTAB__DEBUGLINK, SYMTAB__BUILD_ID_CACHE, SYMTAB__FEDORA_DEBUGINFO, SYMTAB__UBUNTU_DEBUGINFO, diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c index abe0e8e95068..7eeebcee291c 100644 --- a/tools/perf/util/top.c +++ b/tools/perf/util/top.c @@ -65,7 +65,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size) top->freq ? "Hz" : ""); } - ret += SNPRINTF(bf + ret, size - ret, "%s", event_name(top->sym_evsel)); + ret += SNPRINTF(bf + ret, size - ret, "%s", perf_evsel__name(top->sym_evsel)); ret += SNPRINTF(bf + ret, size - ret, "], "); diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 5dd3b5ec8411..0715c843c2e7 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -32,29 +32,25 @@ int header_page_size_size; int header_page_ts_size; int header_page_data_offset; -struct pevent *perf_pevent; -static struct pevent *pevent; - bool latency_format; -int read_trace_init(int file_bigendian, int host_bigendian) +struct pevent *read_trace_init(int file_bigendian, int host_bigendian) { - if (pevent) - return 0; - - perf_pevent = pevent_alloc(); - pevent = perf_pevent; + struct pevent *pevent = pevent_alloc(); - pevent_set_flag(pevent, PEVENT_NSEC_OUTPUT); - pevent_set_file_bigendian(pevent, file_bigendian); - pevent_set_host_bigendian(pevent, host_bigendian); + if (pevent != NULL) { + pevent_set_flag(pevent, PEVENT_NSEC_OUTPUT); + pevent_set_file_bigendian(pevent, file_bigendian); + pevent_set_host_bigendian(pevent, host_bigendian); + } - return 0; + return pevent; } static int get_common_field(struct scripting_context *context, int *offset, int *size, const char *type) { + struct pevent *pevent = context->pevent; struct event_format *event; struct format_field *field; @@ -150,7 +146,7 @@ void *raw_field_ptr(struct event_format *event, const char *name, void *data) return data + field->offset; } -int trace_parse_common_type(void *data) +int trace_parse_common_type(struct pevent *pevent, void *data) { struct pevent_record record; @@ -158,7 +154,7 @@ int trace_parse_common_type(void *data) return pevent_data_type(pevent, &record); } -int trace_parse_common_pid(void *data) +int trace_parse_common_pid(struct pevent *pevent, void *data) { struct pevent_record record; @@ -166,27 +162,21 @@ int trace_parse_common_pid(void *data) return pevent_data_pid(pevent, &record); } -unsigned long long read_size(void *ptr, int size) +unsigned long long read_size(struct pevent *pevent, void *ptr, int size) { return pevent_read_number(pevent, ptr, size); } -struct event_format *trace_find_event(int type) -{ - return pevent_find_event(pevent, type); -} - - -void print_trace_event(int cpu, void *data, int size) +void print_trace_event(struct pevent *pevent, int cpu, void *data, int size) { struct event_format *event; struct pevent_record record; struct trace_seq s; int type; - type = trace_parse_common_type(data); + type = trace_parse_common_type(pevent, data); - event = trace_find_event(type); + event = pevent_find_event(pevent, type); if (!event) { warning("ug! no event found for type %d", type); return; @@ -202,8 +192,8 @@ void print_trace_event(int cpu, void *data, int size) trace_seq_do_printf(&s); } -void print_event(int cpu, void *data, int size, unsigned long long nsecs, - char *comm) +void print_event(struct pevent *pevent, int cpu, void *data, int size, + unsigned long long nsecs, char *comm) { struct pevent_record record; struct trace_seq s; @@ -226,7 +216,8 @@ void print_event(int cpu, void *data, int size, unsigned long long nsecs, printf("\n"); } -void parse_proc_kallsyms(char *file, unsigned int size __unused) +void parse_proc_kallsyms(struct pevent *pevent, + char *file, unsigned int size __unused) { unsigned long long addr; char *func; @@ -257,7 +248,8 @@ void parse_proc_kallsyms(char *file, unsigned int size __unused) } } -void parse_ftrace_printk(char *file, unsigned int size __unused) +void parse_ftrace_printk(struct pevent *pevent, + char *file, unsigned int size __unused) { unsigned long long addr; char *printk; @@ -281,17 +273,19 @@ void parse_ftrace_printk(char *file, unsigned int size __unused) } } -int parse_ftrace_file(char *buf, unsigned long size) +int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size) { return pevent_parse_event(pevent, buf, size, "ftrace"); } -int parse_event_file(char *buf, unsigned long size, char *sys) +int parse_event_file(struct pevent *pevent, + char *buf, unsigned long size, char *sys) { return pevent_parse_event(pevent, buf, size, sys); } -struct event_format *trace_find_next_event(struct event_format *event) +struct event_format *trace_find_next_event(struct pevent *pevent, + struct event_format *event) { static int idx; diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c index f097e0dd6c5c..719ed74a8565 100644 --- a/tools/perf/util/trace-event-read.c +++ b/tools/perf/util/trace-event-read.c @@ -114,20 +114,20 @@ static void skip(int size) }; } -static unsigned int read4(void) +static unsigned int read4(struct pevent *pevent) { unsigned int data; read_or_die(&data, 4); - return __data2host4(perf_pevent, data); + return __data2host4(pevent, data); } -static unsigned long long read8(void) +static unsigned long long read8(struct pevent *pevent) { unsigned long long data; read_or_die(&data, 8); - return __data2host8(perf_pevent, data); + return __data2host8(pevent, data); } static char *read_string(void) @@ -168,12 +168,12 @@ static char *read_string(void) return str; } -static void read_proc_kallsyms(void) +static void read_proc_kallsyms(struct pevent *pevent) { unsigned int size; char *buf; - size = read4(); + size = read4(pevent); if (!size) return; @@ -181,29 +181,29 @@ static void read_proc_kallsyms(void) read_or_die(buf, size); buf[size] = '\0'; - parse_proc_kallsyms(buf, size); + parse_proc_kallsyms(pevent, buf, size); free(buf); } -static void read_ftrace_printk(void) +static void read_ftrace_printk(struct pevent *pevent) { unsigned int size; char *buf; - size = read4(); + size = read4(pevent); if (!size) return; buf = malloc_or_die(size); read_or_die(buf, size); - parse_ftrace_printk(buf, size); + parse_ftrace_printk(pevent, buf, size); free(buf); } -static void read_header_files(void) +static void read_header_files(struct pevent *pevent) { unsigned long long size; char *header_event; @@ -214,7 +214,7 @@ static void read_header_files(void) if (memcmp(buf, "header_page", 12) != 0) die("did not read header page"); - size = read8(); + size = read8(pevent); skip(size); /* @@ -227,47 +227,48 @@ static void read_header_files(void) if (memcmp(buf, "header_event", 13) != 0) die("did not read header event"); - size = read8(); + size = read8(pevent); header_event = malloc_or_die(size); read_or_die(header_event, size); free(header_event); } -static void read_ftrace_file(unsigned long long size) +static void read_ftrace_file(struct pevent *pevent, unsigned long long size) { char *buf; buf = malloc_or_die(size); read_or_die(buf, size); - parse_ftrace_file(buf, size); + parse_ftrace_file(pevent, buf, size); free(buf); } -static void read_event_file(char *sys, unsigned long long size) +static void read_event_file(struct pevent *pevent, char *sys, + unsigned long long size) { char *buf; buf = malloc_or_die(size); read_or_die(buf, size); - parse_event_file(buf, size, sys); + parse_event_file(pevent, buf, size, sys); free(buf); } -static void read_ftrace_files(void) +static void read_ftrace_files(struct pevent *pevent) { unsigned long long size; int count; int i; - count = read4(); + count = read4(pevent); for (i = 0; i < count; i++) { - size = read8(); - read_ftrace_file(size); + size = read8(pevent); + read_ftrace_file(pevent, size); } } -static void read_event_files(void) +static void read_event_files(struct pevent *pevent) { unsigned long long size; char *sys; @@ -275,15 +276,15 @@ static void read_event_files(void) int count; int i,x; - systems = read4(); + systems = read4(pevent); for (i = 0; i < systems; i++) { sys = read_string(); - count = read4(); + count = read4(pevent); for (x=0; x < count; x++) { - size = read8(); - read_event_file(sys, size); + size = read8(pevent); + read_event_file(pevent, sys, size); } } } @@ -377,7 +378,7 @@ static int calc_index(void *ptr, int cpu) return (unsigned long)ptr - (unsigned long)cpu_data[cpu].page; } -struct pevent_record *trace_peek_data(int cpu) +struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu) { struct pevent_record *data; void *page = cpu_data[cpu].page; @@ -399,15 +400,15 @@ struct pevent_record *trace_peek_data(int cpu) /* FIXME: handle header page */ if (header_page_ts_size != 8) die("expected a long long type for timestamp"); - cpu_data[cpu].timestamp = data2host8(perf_pevent, ptr); + cpu_data[cpu].timestamp = data2host8(pevent, ptr); ptr += 8; switch (header_page_size_size) { case 4: - cpu_data[cpu].page_size = data2host4(perf_pevent, ptr); + cpu_data[cpu].page_size = data2host4(pevent, ptr); ptr += 4; break; case 8: - cpu_data[cpu].page_size = data2host8(perf_pevent, ptr); + cpu_data[cpu].page_size = data2host8(pevent, ptr); ptr += 8; break; default: @@ -421,10 +422,10 @@ read_again: if (idx >= cpu_data[cpu].page_size) { get_next_page(cpu); - return trace_peek_data(cpu); + return trace_peek_data(pevent, cpu); } - type_len_ts = data2host4(perf_pevent, ptr); + type_len_ts = data2host4(pevent, ptr); ptr += 4; type_len = type_len4host(type_len_ts); @@ -434,14 +435,14 @@ read_again: case RINGBUF_TYPE_PADDING: if (!delta) die("error, hit unexpected end of page"); - length = data2host4(perf_pevent, ptr); + length = data2host4(pevent, ptr); ptr += 4; length *= 4; ptr += length; goto read_again; case RINGBUF_TYPE_TIME_EXTEND: - extend = data2host4(perf_pevent, ptr); + extend = data2host4(pevent, ptr); ptr += 4; extend <<= TS_SHIFT; extend += delta; @@ -452,7 +453,7 @@ read_again: ptr += 12; break; case 0: - length = data2host4(perf_pevent, ptr); + length = data2host4(pevent, ptr); ptr += 4; die("here! length=%d", length); break; @@ -477,17 +478,17 @@ read_again: return data; } -struct pevent_record *trace_read_data(int cpu) +struct pevent_record *trace_read_data(struct pevent *pevent, int cpu) { struct pevent_record *data; - data = trace_peek_data(cpu); + data = trace_peek_data(pevent, cpu); cpu_data[cpu].next = NULL; return data; } -ssize_t trace_report(int fd, bool __repipe) +ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe) { char buf[BUFSIZ]; char test[] = { 23, 8, 68 }; @@ -519,30 +520,32 @@ ssize_t trace_report(int fd, bool __repipe) file_bigendian = buf[0]; host_bigendian = bigendian(); - read_trace_init(file_bigendian, host_bigendian); + *ppevent = read_trace_init(file_bigendian, host_bigendian); + if (*ppevent == NULL) + die("read_trace_init failed"); read_or_die(buf, 1); long_size = buf[0]; - page_size = read4(); + page_size = read4(*ppevent); - read_header_files(); + read_header_files(*ppevent); - read_ftrace_files(); - read_event_files(); - read_proc_kallsyms(); - read_ftrace_printk(); + read_ftrace_files(*ppevent); + read_event_files(*ppevent); + read_proc_kallsyms(*ppevent); + read_ftrace_printk(*ppevent); size = calc_data_size - 1; calc_data_size = 0; repipe = false; if (show_funcs) { - pevent_print_funcs(perf_pevent); + pevent_print_funcs(*ppevent); return size; } if (show_printk) { - pevent_print_printk(perf_pevent); + pevent_print_printk(*ppevent); return size; } diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index 18ae6c1831d3..474aa7a7df43 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -36,6 +36,7 @@ static int stop_script_unsupported(void) } static void process_event_unsupported(union perf_event *event __unused, + struct pevent *pevent __unused, struct perf_sample *sample __unused, struct perf_evsel *evsel __unused, struct machine *machine __unused, @@ -61,7 +62,8 @@ static int python_start_script_unsupported(const char *script __unused, return -1; } -static int python_generate_script_unsupported(const char *outfile __unused) +static int python_generate_script_unsupported(struct pevent *pevent __unused, + const char *outfile __unused) { print_python_unsupported_msg(); @@ -122,7 +124,8 @@ static int perl_start_script_unsupported(const char *script __unused, return -1; } -static int perl_generate_script_unsupported(const char *outfile __unused) +static int perl_generate_script_unsupported(struct pevent *pevent __unused, + const char *outfile __unused) { print_perl_unsupported_msg(); diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index 639852ac1117..8fef1d6687b7 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -8,6 +8,7 @@ struct machine; struct perf_sample; union perf_event; +struct perf_tool; struct thread; extern int header_page_size_size; @@ -29,35 +30,36 @@ enum { int bigendian(void); -int read_trace_init(int file_bigendian, int host_bigendian); -void print_trace_event(int cpu, void *data, int size); +struct pevent *read_trace_init(int file_bigendian, int host_bigendian); +void print_trace_event(struct pevent *pevent, int cpu, void *data, int size); -void print_event(int cpu, void *data, int size, unsigned long long nsecs, - char *comm); +void print_event(struct pevent *pevent, int cpu, void *data, int size, + unsigned long long nsecs, char *comm); -int parse_ftrace_file(char *buf, unsigned long size); -int parse_event_file(char *buf, unsigned long size, char *sys); +int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size); +int parse_event_file(struct pevent *pevent, + char *buf, unsigned long size, char *sys); -struct pevent_record *trace_peek_data(int cpu); -struct event_format *trace_find_event(int type); +struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu); unsigned long long raw_field_value(struct event_format *event, const char *name, void *data); void *raw_field_ptr(struct event_format *event, const char *name, void *data); -void parse_proc_kallsyms(char *file, unsigned int size __unused); -void parse_ftrace_printk(char *file, unsigned int size __unused); +void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size); +void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size); -ssize_t trace_report(int fd, bool repipe); +ssize_t trace_report(int fd, struct pevent **pevent, bool repipe); -int trace_parse_common_type(void *data); -int trace_parse_common_pid(void *data); +int trace_parse_common_type(struct pevent *pevent, void *data); +int trace_parse_common_pid(struct pevent *pevent, void *data); -struct event_format *trace_find_next_event(struct event_format *event); -unsigned long long read_size(void *ptr, int size); +struct event_format *trace_find_next_event(struct pevent *pevent, + struct event_format *event); +unsigned long long read_size(struct pevent *pevent, void *ptr, int size); unsigned long long eval_flag(const char *flag); -struct pevent_record *trace_read_data(int cpu); +struct pevent_record *trace_read_data(struct pevent *pevent, int cpu); int read_tracing_data(int fd, struct list_head *pattrs); struct tracing_data { @@ -77,11 +79,12 @@ struct scripting_ops { int (*start_script) (const char *script, int argc, const char **argv); int (*stop_script) (void); void (*process_event) (union perf_event *event, + struct pevent *pevent, struct perf_sample *sample, struct perf_evsel *evsel, struct machine *machine, struct thread *thread); - int (*generate_script) (const char *outfile); + int (*generate_script) (struct pevent *pevent, const char *outfile); }; int script_spec_register(const char *spec, struct scripting_ops *ops); @@ -90,6 +93,7 @@ void setup_perl_scripting(void); void setup_python_scripting(void); struct scripting_context { + struct pevent *pevent; void *event_data; }; diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 2daaedb83d84..b13c7331eaf8 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -264,4 +264,6 @@ bool is_power_of_2(unsigned long n) size_t hex_width(u64 v); +char *rtrim(char *s); + #endif |