diff options
| author | Dapeng Mi <dapeng1.mi@linux.intel.com> | 2026-05-15 14:11:35 +0800 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2026-05-19 13:49:03 +0200 |
| commit | 070bd45e1dba684bfa4e7fdaa8ef8efa99b4572e (patch) | |
| tree | 7291c2783e371af78e5d657fb04553596079f9fa | |
| parent | 30d82ddee085b4b0f9a1b5bded53acaca68d9a52 (diff) | |
perf/x86/intel: Update event constraints for DMR
Add missed event constraint for 0x0200 event and add comments to show
the event names in pnc_hw_cache_extra_regs[].
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260515061143.338553-4-dapeng1.mi@linux.intel.com
| -rw-r--r-- | arch/x86/events/intel/core.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 932f612a99f3..da2ade0bb6c4 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -466,11 +466,12 @@ static struct extra_reg intel_lnc_extra_regs[] __read_mostly = { static struct event_constraint intel_pnc_event_constraints[] = { FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x0100, 0), /* INST_RETIRED.PREC_DIST */ + FIXED_EVENT_CONSTRAINT(0x0100, 0), /* pseudo INST_RETIRED.ANY */ FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ + FIXED_EVENT_CONSTRAINT(0x0200, 1), /* pseudo CPU_CLK_UNHALTED.THREAD */ + FIXED_EVENT_CONSTRAINT(0x0300, 2), /* pseudo CPU_CLK_UNHALTED.REF_TSC */ FIXED_EVENT_CONSTRAINT(0x013c, 2), /* CPU_CLK_UNHALTED.REF_TSC_P */ - FIXED_EVENT_CONSTRAINT(0x0400, 3), /* SLOTS */ + FIXED_EVENT_CONSTRAINT(0x0400, 3), /* pseudo TOPDOWN.SLOTS */ METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_RETIRING, 0), METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_BAD_SPEC, 1), METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_FE_BOUND, 2), @@ -821,12 +822,12 @@ static __initconst const u64 pnc_hw_cache_extra_regs { [ C(LL ) ] = { [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x4000000000000001, - [ C(RESULT_MISS) ] = 0xFFFFF000000001, + [ C(RESULT_ACCESS) ] = 0x4000000000000001, /* OMR.DEMAND_DATA_RD.ANY_RESPONSE */ + [ C(RESULT_MISS) ] = 0xFFFFF000000001, /* OMR.DEMAND_DATA_RD.L3_MISS */ }, [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x4000000000000002, - [ C(RESULT_MISS) ] = 0xFFFFF000000002, + [ C(RESULT_ACCESS) ] = 0x4000000000000002, /* OMR.DEMAND_RFO.ANY_RESPONSE */ + [ C(RESULT_MISS) ] = 0xFFFFF000000002, /* OMR.DEMAND_RFO.L3_MISS */ }, }, }; |