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Diffstat (limited to 'arch/x86/kernel/cpu/perf_event_intel_ds.c')
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_ds.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index e83148ffe392..ed3e5533ce33 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -107,6 +107,19 @@ static u64 precise_store_data(u64 status)
return val;
}
+static u64 precise_store_data_hsw(u64 status)
+{
+ union perf_mem_data_src dse;
+
+ dse.val = 0;
+ dse.mem_op = PERF_MEM_OP_STORE;
+ dse.mem_lvl = PERF_MEM_LVL_NA;
+ if (status & 1)
+ dse.mem_lvl = PERF_MEM_LVL_L1;
+ /* Nothing else supported. Sorry. */
+ return dse.val;
+}
+
static u64 load_latency_data(u64 status)
{
union intel_x86_pebs_dse dse;
@@ -566,13 +579,13 @@ struct event_constraint intel_ivb_pebs_event_constraints[] = {
struct event_constraint intel_hsw_pebs_event_constraints[] = {
INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PRECDIST */
- INTEL_UEVENT_CONSTRAINT(0x01c2, 0xf), /* UOPS_RETIRED.ALL */
+ INTEL_PST_HSW_CONSTRAINT(0x01c2, 0xf), /* UOPS_RETIRED.ALL */
INTEL_UEVENT_CONSTRAINT(0x02c2, 0xf), /* UOPS_RETIRED.RETIRE_SLOTS */
INTEL_EVENT_CONSTRAINT(0xc4, 0xf), /* BR_INST_RETIRED.* */
INTEL_UEVENT_CONSTRAINT(0x01c5, 0xf), /* BR_MISP_RETIRED.CONDITIONAL */
INTEL_UEVENT_CONSTRAINT(0x04c5, 0xf), /* BR_MISP_RETIRED.ALL_BRANCHES */
INTEL_UEVENT_CONSTRAINT(0x20c5, 0xf), /* BR_MISP_RETIRED.NEAR_TAKEN */
- INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.* */
+ INTEL_PLD_CONSTRAINT(0x01cd, 0x8), /* MEM_TRANS_RETIRED.* */
/* MEM_UOPS_RETIRED.STLB_MISS_LOADS */
INTEL_UEVENT_CONSTRAINT(0x11d0, 0xf),
/* MEM_UOPS_RETIRED.STLB_MISS_STORES */
@@ -582,7 +595,7 @@ struct event_constraint intel_hsw_pebs_event_constraints[] = {
/* MEM_UOPS_RETIRED.SPLIT_STORES */
INTEL_UEVENT_CONSTRAINT(0x42d0, 0xf),
INTEL_UEVENT_CONSTRAINT(0x81d0, 0xf), /* MEM_UOPS_RETIRED.ALL_LOADS */
- INTEL_UEVENT_CONSTRAINT(0x82d0, 0xf), /* MEM_UOPS_RETIRED.ALL_STORES */
+ INTEL_PST_HSW_CONSTRAINT(0x82d0, 0xf), /* MEM_UOPS_RETIRED.ALL_STORES */
INTEL_UEVENT_CONSTRAINT(0x01d1, 0xf), /* MEM_LOAD_UOPS_RETIRED.L1_HIT */
INTEL_UEVENT_CONSTRAINT(0x02d1, 0xf), /* MEM_LOAD_UOPS_RETIRED.L2_HIT */
INTEL_UEVENT_CONSTRAINT(0x04d1, 0xf), /* MEM_LOAD_UOPS_RETIRED.L3_HIT */
@@ -759,7 +772,8 @@ static void __intel_pmu_pebs_event(struct perf_event *event,
return;
fll = event->hw.flags & PERF_X86_EVENT_PEBS_LDLAT;
- fst = event->hw.flags & PERF_X86_EVENT_PEBS_ST;
+ fst = event->hw.flags & (PERF_X86_EVENT_PEBS_ST |
+ PERF_X86_EVENT_PEBS_ST_HSW);
perf_sample_data_init(&data, 0, event->hw.last_period);
@@ -770,9 +784,6 @@ static void __intel_pmu_pebs_event(struct perf_event *event,
* if PEBS-LL or PreciseStore
*/
if (fll || fst) {
- if (sample_type & PERF_SAMPLE_ADDR)
- data.addr = pebs->dla;
-
/*
* Use latency for weight (only avail with PEBS-LL)
*/
@@ -785,6 +796,9 @@ static void __intel_pmu_pebs_event(struct perf_event *event,
if (sample_type & PERF_SAMPLE_DATA_SRC) {
if (fll)
data.data_src.val = load_latency_data(pebs->dse);
+ else if (event->hw.flags & PERF_X86_EVENT_PEBS_ST_HSW)
+ data.data_src.val =
+ precise_store_data_hsw(pebs->dse);
else
data.data_src.val = precise_store_data(pebs->dse);
}
@@ -814,6 +828,10 @@ static void __intel_pmu_pebs_event(struct perf_event *event,
else
regs.flags &= ~PERF_EFLAGS_EXACT;
+ if ((event->attr.sample_type & PERF_SAMPLE_ADDR) &&
+ x86_pmu.intel_cap.pebs_format >= 1)
+ data.addr = pebs->dla;
+
if (has_branch_stack(event))
data.br_stack = &cpuc->lbr_stack;
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