diff options
Diffstat (limited to 'arch/powerpc/perf/power9-pmu.c')
| -rw-r--r-- | arch/powerpc/perf/power9-pmu.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c index bb28e1a41257..f17435e4a489 100644 --- a/arch/powerpc/perf/power9-pmu.c +++ b/arch/powerpc/perf/power9-pmu.c @@ -231,7 +231,7 @@ static int power9_generic_events_dd1[] = { [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = PM_ICT_NOSLOT_CYC, [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = PM_CMPLU_STALL, [PERF_COUNT_HW_INSTRUCTIONS] = PM_INST_DISP, - [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = PM_BRU_CMPL, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = PM_BR_CMPL_ALT, [PERF_COUNT_HW_BRANCH_MISSES] = PM_BR_MPRED_CMPL, [PERF_COUNT_HW_CACHE_REFERENCES] = PM_LD_REF_L1, [PERF_COUNT_HW_CACHE_MISSES] = PM_LD_MISS_L1_FIN, @@ -453,6 +453,12 @@ static int __init init_power9_pmu(void) * sampling scenarios in power9 DD1, instead use PM_INST_DISP. */ EVENT_VAR(PM_INST_CMPL, _g).id = PM_INST_DISP; + /* + * Power9 DD1 should use PM_BR_CMPL_ALT event code for + * "branches" to provide correct counter value. + */ + EVENT_VAR(PM_BRU_CMPL, _g).id = PM_BR_CMPL_ALT; + EVENT_VAR(PM_BRU_CMPL, _c).id = PM_BR_CMPL_ALT; rc = register_power_pmu(&power9_isa207_pmu); } else { rc = register_power_pmu(&power9_pmu); |