[PATCH V2 5/7] powerpc/perf: Fix to update generic event codes for power10
Athira Rajeev
atrajeev at linux.vnet.ibm.com
Fri Nov 27 03:54:42 AEDT 2020
Fix the event code for events: branch-instructions (to PM_BR_FIN),
branch-misses (to PM_MPRED_BR_FIN) and cache-misses (to
PM_LD_DEMAND_MISS_L1_FIN) for power10 PMU. Update the
list of generic events with this modified event code.
Signed-off-by: Athira Rajeev <atrajeev at linux.vnet.ibm.com>
---
arch/powerpc/perf/power10-events-list.h | 3 +++
arch/powerpc/perf/power10-pmu.c | 15 +++++++++------
2 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/perf/power10-events-list.h b/arch/powerpc/perf/power10-events-list.h
index 60c1b81..abd778f 100644
--- a/arch/powerpc/perf/power10-events-list.h
+++ b/arch/powerpc/perf/power10-events-list.h
@@ -15,6 +15,9 @@
EVENT(PM_RUN_INST_CMPL, 0x500fa);
EVENT(PM_BR_CMPL, 0x4d05e);
EVENT(PM_BR_MPRED_CMPL, 0x400f6);
+EVENT(PM_BR_FIN, 0x2f04a);
+EVENT(PM_MPRED_BR_FIN, 0x3e098);
+EVENT(PM_LD_DEMAND_MISS_L1_FIN, 0x400f0);
/* All L1 D cache load references counted at finish, gated by reject */
EVENT(PM_LD_REF_L1, 0x100fc);
diff --git a/arch/powerpc/perf/power10-pmu.c b/arch/powerpc/perf/power10-pmu.c
index bc3d4dd..a02da69 100644
--- a/arch/powerpc/perf/power10-pmu.c
+++ b/arch/powerpc/perf/power10-pmu.c
@@ -114,6 +114,9 @@ static int power10_get_alternatives(u64 event, unsigned int flags, u64 alt[])
GENERIC_EVENT_ATTR(cache-misses, PM_LD_MISS_L1);
GENERIC_EVENT_ATTR(mem-loads, MEM_LOADS);
GENERIC_EVENT_ATTR(mem-stores, MEM_STORES);
+GENERIC_EVENT_ATTR(branch-instructions, PM_BR_FIN);
+GENERIC_EVENT_ATTR(branch-misses, PM_MPRED_BR_FIN);
+GENERIC_EVENT_ATTR(cache-misses, PM_LD_DEMAND_MISS_L1_FIN);
CACHE_EVENT_ATTR(L1-dcache-load-misses, PM_LD_MISS_L1);
CACHE_EVENT_ATTR(L1-dcache-loads, PM_LD_REF_L1);
@@ -157,10 +160,10 @@ static int power10_get_alternatives(u64 event, unsigned int flags, u64 alt[])
static struct attribute *power10_events_attr[] = {
GENERIC_EVENT_PTR(PM_RUN_CYC),
GENERIC_EVENT_PTR(PM_RUN_INST_CMPL),
- GENERIC_EVENT_PTR(PM_BR_CMPL),
- GENERIC_EVENT_PTR(PM_BR_MPRED_CMPL),
+ GENERIC_EVENT_PTR(PM_BR_FIN),
+ GENERIC_EVENT_PTR(PM_MPRED_BR_FIN),
GENERIC_EVENT_PTR(PM_LD_REF_L1),
- GENERIC_EVENT_PTR(PM_LD_MISS_L1),
+ GENERIC_EVENT_PTR(PM_LD_DEMAND_MISS_L1_FIN),
GENERIC_EVENT_PTR(MEM_LOADS),
GENERIC_EVENT_PTR(MEM_STORES),
CACHE_EVENT_PTR(PM_LD_MISS_L1),
@@ -259,10 +262,10 @@ static int power10_get_alternatives(u64 event, unsigned int flags, u64 alt[])
static int power10_generic_events[] = {
[PERF_COUNT_HW_CPU_CYCLES] = PM_RUN_CYC,
[PERF_COUNT_HW_INSTRUCTIONS] = PM_RUN_INST_CMPL,
- [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = PM_BR_CMPL,
- [PERF_COUNT_HW_BRANCH_MISSES] = PM_BR_MPRED_CMPL,
+ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = PM_BR_FIN,
+ [PERF_COUNT_HW_BRANCH_MISSES] = PM_MPRED_BR_FIN,
[PERF_COUNT_HW_CACHE_REFERENCES] = PM_LD_REF_L1,
- [PERF_COUNT_HW_CACHE_MISSES] = PM_LD_MISS_L1,
+ [PERF_COUNT_HW_CACHE_MISSES] = PM_LD_DEMAND_MISS_L1_FIN,
};
static u64 power10_bhrb_filter_map(u64 branch_sample_type)
--
1.8.3.1
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