[PATCH 10/11] perf/x86/intel: Update event constraints and cache_extra_regs[] for SRF
From: Dapeng Mi
Date: Fri May 15 2026 - 02:19:41 EST
Update perf hard-coded event constraints and cache_extra_regs[] for
Sierra Forest according to the latest SRF perfmon events (V1.17).
SRF has same uarch (crestmont) as MTL E-core and shares same perf
events, so directly apply the crestmont perf events.
SRF perfmon events:
https://github.com/intel/perfmon/blob/main/SRF/events/sierraforest_core.json
Signed-off-by: Dapeng Mi <dapeng1.mi@xxxxxxxxxxxxxxx>
---
arch/x86/events/intel/core.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 587167dbb98f..e1c6fb127f10 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -8101,8 +8101,7 @@ __init int intel_pmu_init(void)
case INTEL_ATOM_CRESTMONT:
case INTEL_ATOM_CRESTMONT_X:
- intel_pmu_init_grt(NULL);
- x86_pmu.extra_regs = intel_cmt_extra_regs;
+ intel_pmu_init_cmt(NULL);
intel_pmu_pebs_data_source_cmt();
x86_pmu.pebs_latency_data = cmt_latency_data;
x86_pmu.get_event_constraints = cmt_get_event_constraints;
--
2.34.1