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authorIngo Molnar <mingo@kernel.org>2019-09-03 09:23:41 +0200
committerIngo Molnar <mingo@kernel.org>2019-09-03 09:23:41 +0200
commitae1ad26388228048db6a5f1056bd569ed2bbc4ec (patch)
tree223f50677aa00eb6f2a6529099a1005c7e43c071 /arch/x86/events
parentc84b82dd3e593db217f23c60f7edae02c76a3c4c (diff)
parent089cf7f6ecb266b6a4164919a2e69bd2f938374a (diff)
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Merge tag 'v5.3-rc7' into x86/mm, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/events')
-rw-r--r--arch/x86/events/amd/ibs.c13
-rw-r--r--arch/x86/events/core.c2
-rw-r--r--arch/x86/events/intel/core.c15
-rw-r--r--arch/x86/events/intel/ds.c2
4 files changed, 23 insertions, 9 deletions
diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c
index 62f317c9113a..5b35b7ea5d72 100644
--- a/arch/x86/events/amd/ibs.c
+++ b/arch/x86/events/amd/ibs.c
@@ -661,10 +661,17 @@ fail:
throttle = perf_event_overflow(event, &data, &regs);
out:
- if (throttle)
+ if (throttle) {
perf_ibs_stop(event, 0);
- else
- perf_ibs_enable_event(perf_ibs, hwc, period >> 4);
+ } else {
+ period >>= 4;
+
+ if ((ibs_caps & IBS_CAPS_RDWROPCNT) &&
+ (*config & IBS_OP_CNT_CTL))
+ period |= *config & IBS_OP_CUR_CNT_RAND;
+
+ perf_ibs_enable_event(perf_ibs, hwc, period);
+ }
perf_event_update_userpage(event);
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index cfe256ca76df..4886fc66fd88 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -1236,7 +1236,7 @@ void x86_pmu_enable_event(struct perf_event *event)
* Add a single event to the PMU.
*
* The event is added to the group of enabled events
- * but only if it can be scehduled with existing events.
+ * but only if it can be scheduled with existing events.
*/
static int x86_pmu_add(struct perf_event *event, int flags)
{
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 9e911a96972b..e4c2cb65ea50 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -20,7 +20,6 @@
#include <asm/intel-family.h>
#include <asm/apic.h>
#include <asm/cpu_device_id.h>
-#include <asm/hypervisor.h>
#include "../perf_event.h"
@@ -263,8 +262,8 @@ static struct event_constraint intel_icl_event_constraints[] = {
};
static struct extra_reg intel_icl_extra_regs[] __read_mostly = {
- INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff9fffull, RSP_0),
- INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff9fffull, RSP_1),
+ INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffffbfffull, RSP_0),
+ INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffffbfffull, RSP_1),
INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
EVENT_EXTRA_END
@@ -3573,6 +3572,11 @@ static u64 bdw_limit_period(struct perf_event *event, u64 left)
return left;
}
+static u64 nhm_limit_period(struct perf_event *event, u64 left)
+{
+ return max(left, 32ULL);
+}
+
PMU_FORMAT_ATTR(event, "config:0-7" );
PMU_FORMAT_ATTR(umask, "config:8-15" );
PMU_FORMAT_ATTR(edge, "config:18" );
@@ -4053,7 +4057,7 @@ static bool check_msr(unsigned long msr, u64 mask)
* Disable the check for real HW, so we don't
* mess with potentionaly enabled registers:
*/
- if (hypervisor_is_type(X86_HYPER_NATIVE))
+ if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
return true;
/*
@@ -4607,6 +4611,7 @@ __init int intel_pmu_init(void)
x86_pmu.pebs_constraints = intel_nehalem_pebs_event_constraints;
x86_pmu.enable_all = intel_pmu_nhm_enable_all;
x86_pmu.extra_regs = intel_nehalem_extra_regs;
+ x86_pmu.limit_period = nhm_limit_period;
mem_attr = nhm_mem_events_attrs;
@@ -4955,6 +4960,7 @@ __init int intel_pmu_init(void)
case INTEL_FAM6_SKYLAKE_X:
pmem = true;
+ /* fall through */
case INTEL_FAM6_SKYLAKE_MOBILE:
case INTEL_FAM6_SKYLAKE_DESKTOP:
case INTEL_FAM6_KABYLAKE_MOBILE:
@@ -5004,6 +5010,7 @@ __init int intel_pmu_init(void)
case INTEL_FAM6_ICELAKE_X:
case INTEL_FAM6_ICELAKE_XEON_D:
pmem = true;
+ /* fall through */
case INTEL_FAM6_ICELAKE_MOBILE:
case INTEL_FAM6_ICELAKE_DESKTOP:
x86_pmu.late_ack = true;
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 2c8db2c19328..f1269e804e9b 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -851,7 +851,7 @@ struct event_constraint intel_skl_pebs_event_constraints[] = {
struct event_constraint intel_icl_pebs_event_constraints[] = {
INTEL_FLAGS_UEVENT_CONSTRAINT(0x1c0, 0x100000000ULL), /* INST_RETIRED.PREC_DIST */
- INTEL_FLAGS_UEVENT_CONSTRAINT(0x0400, 0x400000000ULL), /* SLOTS */
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x0400, 0x800000000ULL), /* SLOTS */
INTEL_PLD_CONSTRAINT(0x1cd, 0xff), /* MEM_TRANS_RETIRED.LOAD_LATENCY */
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_LD(0x1d0, 0xf), /* MEM_INST_RETIRED.LOAD */