diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2025-11-07 14:50:16 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-07 15:08:23 +0100 |
| commit | 02da693f6658b9f73b97fce3695358ef3f13d0d1 (patch) | |
| tree | 1858361688ec77691eee2467559849eb684513c7 | |
| parent | bd24f9beed591422f45fa6d8d0d3bd3a755b8a48 (diff) | |
perf/x86/intel: Check PEBS dyn_constraints
Handle the interaction between ("perf/x86/intel: Update dyn_constraint
base on PEBS event precise level") and ("perf/x86/intel: Add a check
for dynamic constraints").
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
| -rw-r--r-- | arch/x86/events/intel/core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 93780affeec8..a421595fdd76 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -5425,6 +5425,8 @@ enum dyn_constr_type { DYN_CONSTR_BR_CNTR, DYN_CONSTR_ACR_CNTR, DYN_CONSTR_ACR_CAUSE, + DYN_CONSTR_PEBS, + DYN_CONSTR_PDIST, DYN_CONSTR_MAX, }; @@ -5434,6 +5436,8 @@ static const char * const dyn_constr_type_name[] = { [DYN_CONSTR_BR_CNTR] = "a branch counter logging event", [DYN_CONSTR_ACR_CNTR] = "an auto-counter reload event", [DYN_CONSTR_ACR_CAUSE] = "an auto-counter reload cause event", + [DYN_CONSTR_PEBS] = "a PEBS event", + [DYN_CONSTR_PDIST] = "a PEBS PDIST event", }; static void __intel_pmu_check_dyn_constr(struct event_constraint *constr, @@ -5538,6 +5542,14 @@ static void intel_pmu_check_dyn_constr(struct pmu *pmu, continue; mask = hybrid(pmu, acr_cause_mask64) & GENMASK_ULL(INTEL_PMC_MAX_GENERIC - 1, 0); break; + case DYN_CONSTR_PEBS: + if (x86_pmu.arch_pebs) + mask = hybrid(pmu, arch_pebs_cap).counters; + break; + case DYN_CONSTR_PDIST: + if (x86_pmu.arch_pebs) + mask = hybrid(pmu, arch_pebs_cap).pdists; + break; default: pr_warn("Unsupported dynamic constraint type %d\n", i); } |