[PATCH] perf/x86/intel/cstate: Add pkg C2 residency counter for Sierra Forest

From: Zhenyu Wang
Date: Mon May 06 2024 - 04:40:34 EST


Package C2 residency counter is also available on Sierra Forest.
So add it support in srf_cstates.

Cc: Rui Zhang <rui.zhang@xxxxxxxxx>
Cc: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxx>
Cc: Wendy Wang <wendy.wang@xxxxxxxxx>
Fixes: 3877d55a0db2 ("perf/x86/intel/cstate: Add Sierra Forest support")
Signed-off-by: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx>
---
arch/x86/events/intel/cstate.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 08bba679678c..cdf44500783e 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -64,7 +64,7 @@
* perf code: 0x00
* Available model: SNB,IVB,HSW,BDW,SKL,KNL,GLM,CNL,
* KBL,CML,ICL,ICX,TGL,TNT,RKL,ADL,
- * RPL,SPR,MTL
+ * RPL,SPR,MTL,SRF
* Scope: Package (physical package)
* MSR_PKG_C3_RESIDENCY: Package C3 Residency Counter.
* perf code: 0x01
@@ -689,7 +689,8 @@ static const struct cstate_model srf_cstates __initconst = {
.core_events = BIT(PERF_CSTATE_CORE_C1_RES) |
BIT(PERF_CSTATE_CORE_C6_RES),

- .pkg_events = BIT(PERF_CSTATE_PKG_C6_RES),
+ .pkg_events = BIT(PERF_CSTATE_PKG_C2_RES) |
+ BIT(PERF_CSTATE_PKG_C6_RES),

.module_events = BIT(PERF_CSTATE_MODULE_C6_RES),
};
--
2.43.0