diff options
author | Ingo Molnar <mingo@kernel.org> | 2017-10-20 11:02:05 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2017-10-20 11:02:05 +0200 |
commit | ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53 (patch) | |
tree | 95ce0819f92e25bc4d768ab13cee1f385a83a7b2 /tools | |
parent | a30b85df7d599f626973e9cd3056fe755bd778e0 (diff) | |
parent | 275d34b82561e695339b782950d49c386169dae3 (diff) | |
download | linux-stable-ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53.tar.gz linux-stable-ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53.tar.bz2 linux-stable-ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53.zip |
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/include/uapi/linux/bpf.h | 2 | ||||
-rw-r--r-- | tools/objtool/arch/x86/decode.c | 11 | ||||
-rw-r--r-- | tools/perf/Documentation/perf-record.txt | 4 | ||||
-rw-r--r-- | tools/perf/builtin-script.c | 4 | ||||
-rwxr-xr-x | tools/perf/tests/shell/trace+probe_libc_inet_pton.sh | 9 | ||||
-rw-r--r-- | tools/perf/ui/hist.c | 9 | ||||
-rw-r--r-- | tools/perf/util/callchain.c | 6 | ||||
-rw-r--r-- | tools/perf/util/parse-events.c | 9 | ||||
-rw-r--r-- | tools/perf/util/parse-events.l | 17 | ||||
-rw-r--r-- | tools/perf/util/pmu.c | 56 | ||||
-rw-r--r-- | tools/perf/util/pmu.h | 1 | ||||
-rw-r--r-- | tools/perf/util/session.c | 2 | ||||
-rw-r--r-- | tools/perf/util/xyarray.h | 4 | ||||
-rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 10 | ||||
-rw-r--r-- | tools/testing/selftests/mqueue/Makefile | 4 | ||||
-rw-r--r-- | tools/testing/selftests/networking/timestamping/rxtimestamp.c | 2 | ||||
-rw-r--r-- | tools/testing/selftests/vm/userfaultfd.c | 25 | ||||
-rw-r--r-- | tools/testing/selftests/x86/Makefile | 2 |
18 files changed, 123 insertions, 54 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 43ab5c402f98..f90860d1f897 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -312,7 +312,7 @@ union bpf_attr { * jump into another BPF program * @ctx: context pointer passed to next program * @prog_array_map: pointer to map which type is BPF_MAP_TYPE_PROG_ARRAY - * @index: index inside array that selects specific program to run + * @index: 32-bit index inside array that selects specific program to run * Return: 0 on success or negative error * * int bpf_clone_redirect(skb, ifindex, flags) diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index 0f22768c0d4d..34a579f806e3 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -284,11 +284,16 @@ int arch_decode_instruction(struct elf *elf, struct section *sec, case 0x8d: if (sib == 0x24 && rex_w && !rex_b && !rex_x) { - /* lea disp(%rsp), reg */ *type = INSN_STACK; - op->src.type = OP_SRC_ADD; + if (!insn.displacement.value) { + /* lea (%rsp), reg */ + op->src.type = OP_SRC_REG; + } else { + /* lea disp(%rsp), reg */ + op->src.type = OP_SRC_ADD; + op->src.offset = insn.displacement.value; + } op->src.reg = CFI_SP; - op->src.offset = insn.displacement.value; op->dest.type = OP_DEST_REG; op->dest.reg = op_to_cfi_reg[modrm_reg][rex_r]; diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 68a1ffb0a8a5..5a626ef666c2 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -8,8 +8,8 @@ perf-record - Run a command and record its profile into perf.data SYNOPSIS -------- [verse] -'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] <command> -'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] -- <command> [<options>] +'perf record' [-e <EVENT> | --event=EVENT] [-a] <command> +'perf record' [-e <EVENT> | --event=EVENT] [-a] -- <command> [<options>] DESCRIPTION ----------- diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 9092de0f7238..7167df215a42 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -611,7 +611,7 @@ static void print_sample_brstack(struct perf_sample *sample, thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); } - printf("0x%"PRIx64, from); + printf(" 0x%"PRIx64, from); if (PRINT_FIELD(DSO)) { printf("("); map__fprintf_dsoname(alf.map, stdout); @@ -706,7 +706,7 @@ static void print_sample_brstackoff(struct perf_sample *sample, if (alt.map && !alt.map->dso->adjust_symbols) to = map__map_ip(alt.map, to); - printf("0x%"PRIx64, from); + printf(" 0x%"PRIx64, from); if (PRINT_FIELD(DSO)) { printf("("); map__fprintf_dsoname(alf.map, stdout); diff --git a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh index 462fc755092e..7a84d73324e3 100755 --- a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh +++ b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh @@ -10,6 +10,9 @@ . $(dirname $0)/lib/probe.sh +ld=$(realpath /lib64/ld*.so.* | uniq) +libc=$(echo $ld | sed 's/ld/libc/g') + trace_libc_inet_pton_backtrace() { idx=0 expected[0]="PING.*bytes" @@ -18,8 +21,8 @@ trace_libc_inet_pton_backtrace() { expected[3]=".*packets transmitted.*" expected[4]="rtt min.*" expected[5]="[0-9]+\.[0-9]+[[:space:]]+probe_libc:inet_pton:\([[:xdigit:]]+\)" - expected[6]=".*inet_pton[[:space:]]\(/usr/lib.*/libc-[0-9]+\.[0-9]+\.so\)$" - expected[7]="getaddrinfo[[:space:]]\(/usr/lib.*/libc-[0-9]+\.[0-9]+\.so\)$" + expected[6]=".*inet_pton[[:space:]]\($libc\)$" + expected[7]="getaddrinfo[[:space:]]\($libc\)$" expected[8]=".*\(.*/bin/ping.*\)$" perf trace --no-syscalls -e probe_libc:inet_pton/max-stack=3/ ping -6 -c 1 ::1 2>&1 | grep -v ^$ | while read line ; do @@ -35,7 +38,7 @@ trace_libc_inet_pton_backtrace() { } skip_if_no_perf_probe && \ -perf probe -q /lib64/libc-*.so inet_pton && \ +perf probe -q $libc inet_pton && \ trace_libc_inet_pton_backtrace err=$? rm -f ${file} diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index ddb2c6fbdf91..db79017a6e56 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -532,7 +532,7 @@ void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list, void perf_hpp__column_unregister(struct perf_hpp_fmt *format) { - list_del(&format->list); + list_del_init(&format->list); } void perf_hpp__cancel_cumulate(void) @@ -606,6 +606,13 @@ next: static void fmt_free(struct perf_hpp_fmt *fmt) { + /* + * At this point fmt should be completely + * unhooked, if not it's a bug. + */ + BUG_ON(!list_empty(&fmt->list)); + BUG_ON(!list_empty(&fmt->sort_list)); + if (fmt->free) fmt->free(fmt); } diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index be09d77cade0..a971caf3759d 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -685,6 +685,8 @@ static enum match_result match_chain(struct callchain_cursor_node *node, { struct symbol *sym = node->sym; u64 left, right; + struct dso *left_dso = NULL; + struct dso *right_dso = NULL; if (callchain_param.key == CCKEY_SRCLINE) { enum match_result match = match_chain_srcline(node, cnode); @@ -696,12 +698,14 @@ static enum match_result match_chain(struct callchain_cursor_node *node, if (cnode->ms.sym && sym && callchain_param.key == CCKEY_FUNCTION) { left = cnode->ms.sym->start; right = sym->start; + left_dso = cnode->ms.map->dso; + right_dso = node->map->dso; } else { left = cnode->ip; right = node->ip; } - if (left == right) { + if (left == right && left_dso == right_dso) { if (node->branch) { cnode->branch_count++; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 9183913a6174..04f35db063ee 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -310,10 +310,11 @@ static char *get_config_name(struct list_head *head_terms) static struct perf_evsel * __add_event(struct list_head *list, int *idx, struct perf_event_attr *attr, - char *name, struct cpu_map *cpus, + char *name, struct perf_pmu *pmu, struct list_head *config_terms, bool auto_merge_stats) { struct perf_evsel *evsel; + struct cpu_map *cpus = pmu ? pmu->cpus : NULL; event_attr_init(attr); @@ -324,7 +325,7 @@ __add_event(struct list_head *list, int *idx, (*idx)++; evsel->cpus = cpu_map__get(cpus); evsel->own_cpus = cpu_map__get(cpus); - evsel->system_wide = !!cpus; + evsel->system_wide = pmu ? pmu->is_uncore : false; evsel->auto_merge_stats = auto_merge_stats; if (name) @@ -1240,7 +1241,7 @@ static int __parse_events_add_pmu(struct parse_events_state *parse_state, if (!head_config) { attr.type = pmu->type; - evsel = __add_event(list, &parse_state->idx, &attr, NULL, pmu->cpus, NULL, auto_merge_stats); + evsel = __add_event(list, &parse_state->idx, &attr, NULL, pmu, NULL, auto_merge_stats); return evsel ? 0 : -ENOMEM; } @@ -1261,7 +1262,7 @@ static int __parse_events_add_pmu(struct parse_events_state *parse_state, return -EINVAL; evsel = __add_event(list, &parse_state->idx, &attr, - get_config_name(head_config), pmu->cpus, + get_config_name(head_config), pmu, &config_terms, auto_merge_stats); if (evsel) { evsel->unit = info.unit; diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index ea2426daf7e8..38a42bdf1492 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -8,6 +8,9 @@ %{ #include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> #include "../perf.h" #include "parse-events.h" #include "parse-events-bison.h" @@ -53,9 +56,8 @@ static int str(yyscan_t scanner, int token) return token; } -static bool isbpf(yyscan_t scanner) +static bool isbpf_suffix(char *text) { - char *text = parse_events_get_text(scanner); int len = strlen(text); if (len < 2) @@ -68,6 +70,17 @@ static bool isbpf(yyscan_t scanner) return false; } +static bool isbpf(yyscan_t scanner) +{ + char *text = parse_events_get_text(scanner); + struct stat st; + + if (!isbpf_suffix(text)) + return false; + + return stat(text, &st) == 0; +} + /* * This function is called when the parser gets two kind of input: * diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 0b11dfc0af44..94cf2c29fed6 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -471,17 +471,36 @@ static void pmu_read_sysfs(void) closedir(dir); } +static struct cpu_map *__pmu_cpumask(const char *path) +{ + FILE *file; + struct cpu_map *cpus; + + file = fopen(path, "r"); + if (!file) + return NULL; + + cpus = cpu_map__read(file); + fclose(file); + return cpus; +} + +/* + * Uncore PMUs have a "cpumask" file under sysfs. CPU PMUs (e.g. on arm/arm64) + * may have a "cpus" file. + */ +#define CPUS_TEMPLATE_UNCORE "%s/bus/event_source/devices/%s/cpumask" +#define CPUS_TEMPLATE_CPU "%s/bus/event_source/devices/%s/cpus" + static struct cpu_map *pmu_cpumask(const char *name) { - struct stat st; char path[PATH_MAX]; - FILE *file; struct cpu_map *cpus; const char *sysfs = sysfs__mountpoint(); const char *templates[] = { - "%s/bus/event_source/devices/%s/cpumask", - "%s/bus/event_source/devices/%s/cpus", - NULL + CPUS_TEMPLATE_UNCORE, + CPUS_TEMPLATE_CPU, + NULL }; const char **template; @@ -490,20 +509,25 @@ static struct cpu_map *pmu_cpumask(const char *name) for (template = templates; *template; template++) { snprintf(path, PATH_MAX, *template, sysfs, name); - if (stat(path, &st) == 0) - break; + cpus = __pmu_cpumask(path); + if (cpus) + return cpus; } - if (!*template) - return NULL; + return NULL; +} - file = fopen(path, "r"); - if (!file) - return NULL; +static bool pmu_is_uncore(const char *name) +{ + char path[PATH_MAX]; + struct cpu_map *cpus; + const char *sysfs = sysfs__mountpoint(); - cpus = cpu_map__read(file); - fclose(file); - return cpus; + snprintf(path, PATH_MAX, CPUS_TEMPLATE_UNCORE, sysfs, name); + cpus = __pmu_cpumask(path); + cpu_map__put(cpus); + + return !!cpus; } /* @@ -638,6 +662,8 @@ static struct perf_pmu *pmu_lookup(const char *name) pmu->cpus = pmu_cpumask(name); + pmu->is_uncore = pmu_is_uncore(name); + INIT_LIST_HEAD(&pmu->format); INIT_LIST_HEAD(&pmu->aliases); list_splice(&format, &pmu->format); diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 060f6abba8ed..7ca675598b43 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -22,6 +22,7 @@ struct perf_pmu { char *name; __u32 type; bool selectable; + bool is_uncore; struct perf_event_attr *default_config; struct cpu_map *cpus; struct list_head format; /* HEAD struct perf_pmu_format -> list */ diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index ceac0848469d..b3fd62f7e4c9 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -374,6 +374,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool) tool->mmap2 = process_event_stub; if (tool->comm == NULL) tool->comm = process_event_stub; + if (tool->namespaces == NULL) + tool->namespaces = process_event_stub; if (tool->fork == NULL) tool->fork = process_event_stub; if (tool->exit == NULL) diff --git a/tools/perf/util/xyarray.h b/tools/perf/util/xyarray.h index 4ba726c90870..54af60462130 100644 --- a/tools/perf/util/xyarray.h +++ b/tools/perf/util/xyarray.h @@ -23,12 +23,12 @@ static inline void *xyarray__entry(struct xyarray *xy, int x, int y) static inline int xyarray__max_y(struct xyarray *xy) { - return xy->max_x; + return xy->max_y; } static inline int xyarray__max_x(struct xyarray *xy) { - return xy->max_y; + return xy->max_x; } #endif /* _PERF_XYARRAY_H_ */ diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 0dafba2c1e7d..bd9c6b31a504 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -92,7 +92,6 @@ unsigned int do_ring_perf_limit_reasons; unsigned int crystal_hz; unsigned long long tsc_hz; int base_cpu; -int do_migrate; double discover_bclk(unsigned int family, unsigned int model); unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */ /* IA32_HWP_REQUEST, IA32_HWP_STATUS */ @@ -303,9 +302,6 @@ int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg int cpu_migrate(int cpu) { - if (!do_migrate) - return 0; - CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) @@ -5007,7 +5003,6 @@ void cmdline(int argc, char **argv) {"hide", required_argument, 0, 'H'}, // meh, -h taken by --help {"Joules", no_argument, 0, 'J'}, {"list", no_argument, 0, 'l'}, - {"migrate", no_argument, 0, 'm'}, {"out", required_argument, 0, 'o'}, {"quiet", no_argument, 0, 'q'}, {"show", required_argument, 0, 's'}, @@ -5019,7 +5014,7 @@ void cmdline(int argc, char **argv) progname = argv[0]; - while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:Jmo:qST:v", + while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:qST:v", long_options, &option_index)) != -1) { switch (opt) { case 'a': @@ -5062,9 +5057,6 @@ void cmdline(int argc, char **argv) list_header_only++; quiet++; break; - case 'm': - do_migrate = 1; - break; case 'o': outf = fopen_or_die(optarg, "w"); break; diff --git a/tools/testing/selftests/mqueue/Makefile b/tools/testing/selftests/mqueue/Makefile index 0f5e347b068d..152823b6cb21 100644 --- a/tools/testing/selftests/mqueue/Makefile +++ b/tools/testing/selftests/mqueue/Makefile @@ -5,8 +5,8 @@ TEST_GEN_PROGS := mq_open_tests mq_perf_tests include ../lib.mk override define RUN_TESTS - $(OUTPUT)/mq_open_tests /test1 || echo "selftests: mq_open_tests [FAIL]" - $(OUTPUT)//mq_perf_tests || echo "selftests: mq_perf_tests [FAIL]" + @$(OUTPUT)/mq_open_tests /test1 || echo "selftests: mq_open_tests [FAIL]" + @$(OUTPUT)/mq_perf_tests || echo "selftests: mq_perf_tests [FAIL]" endef override define EMIT_TESTS diff --git a/tools/testing/selftests/networking/timestamping/rxtimestamp.c b/tools/testing/selftests/networking/timestamping/rxtimestamp.c index 00f286661dcd..dd4162fc0419 100644 --- a/tools/testing/selftests/networking/timestamping/rxtimestamp.c +++ b/tools/testing/selftests/networking/timestamping/rxtimestamp.c @@ -341,7 +341,7 @@ int main(int argc, char **argv) return 0; case 'n': t = atoi(optarg); - if (t > ARRAY_SIZE(test_cases)) + if (t >= ARRAY_SIZE(test_cases)) error(1, 0, "Invalid test case: %d", t); all_tests = false; test_cases[t].enabled = true; diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index a2c53a3d223d..de2f9ec8a87f 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -397,7 +397,7 @@ static void retry_copy_page(int ufd, struct uffdio_copy *uffdio_copy, } } -static int copy_page(int ufd, unsigned long offset) +static int __copy_page(int ufd, unsigned long offset, bool retry) { struct uffdio_copy uffdio_copy; @@ -418,7 +418,7 @@ static int copy_page(int ufd, unsigned long offset) fprintf(stderr, "UFFDIO_COPY unexpected copy %Ld\n", uffdio_copy.copy), exit(1); } else { - if (test_uffdio_copy_eexist) { + if (test_uffdio_copy_eexist && retry) { test_uffdio_copy_eexist = false; retry_copy_page(ufd, &uffdio_copy, offset); } @@ -427,6 +427,16 @@ static int copy_page(int ufd, unsigned long offset) return 0; } +static int copy_page_retry(int ufd, unsigned long offset) +{ + return __copy_page(ufd, offset, true); +} + +static int copy_page(int ufd, unsigned long offset) +{ + return __copy_page(ufd, offset, false); +} + static void *uffd_poll_thread(void *arg) { unsigned long cpu = (unsigned long) arg; @@ -544,7 +554,7 @@ static void *background_thread(void *arg) for (page_nr = cpu * nr_pages_per_cpu; page_nr < (cpu+1) * nr_pages_per_cpu; page_nr++) - copy_page(uffd, page_nr * page_size); + copy_page_retry(uffd, page_nr * page_size); return NULL; } @@ -779,7 +789,7 @@ static void retry_uffdio_zeropage(int ufd, } } -static int uffdio_zeropage(int ufd, unsigned long offset) +static int __uffdio_zeropage(int ufd, unsigned long offset, bool retry) { struct uffdio_zeropage uffdio_zeropage; int ret; @@ -814,7 +824,7 @@ static int uffdio_zeropage(int ufd, unsigned long offset) fprintf(stderr, "UFFDIO_ZEROPAGE unexpected %Ld\n", uffdio_zeropage.zeropage), exit(1); } else { - if (test_uffdio_zeropage_eexist) { + if (test_uffdio_zeropage_eexist && retry) { test_uffdio_zeropage_eexist = false; retry_uffdio_zeropage(ufd, &uffdio_zeropage, offset); @@ -830,6 +840,11 @@ static int uffdio_zeropage(int ufd, unsigned long offset) return 0; } +static int uffdio_zeropage(int ufd, unsigned long offset) +{ + return __uffdio_zeropage(ufd, offset, false); +} + /* exercise UFFDIO_ZEROPAGE */ static int userfaultfd_zeropage_test(void) { diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile index 97f187e2663f..0a74a20ca32b 100644 --- a/tools/testing/selftests/x86/Makefile +++ b/tools/testing/selftests/x86/Makefile @@ -20,7 +20,7 @@ BINARIES_64 := $(TARGETS_C_64BIT_ALL:%=%_64) BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32)) BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64)) -CFLAGS := -O2 -g -std=gnu99 -pthread -Wall +CFLAGS := -O2 -g -std=gnu99 -pthread -Wall -no-pie UNAME_M := $(shell uname -m) CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32) |