From: Zhenyu Wang <zhenyuw@linux.intel.com>
To: peterz@infradead.org
Cc: kan.liang@linux.intel.com, linux-kernel@vger.kernel.org,
linux-perf-users@vger.kernel.org, Rui Zhang <rui.zhang@intel.com>,
Artem Bityutskiy <artem.bityutskiy@intel.com>,
Wendy Wang <wendy.wang@intel.com>
Subject: [PATCH] perf/x86/intel/cstate: Add pkg C2 residency counter for Sierra Forest
Date: Mon, 6 May 2024 16:48:06 +0800 [thread overview]
Message-ID: <20240506084806.495816-1-zhenyuw@linux.intel.com> (raw)
Package C2 residency counter is also available on Sierra Forest.
So add it support in srf_cstates.
Cc: Rui Zhang <rui.zhang@intel.com>
Cc: Artem Bityutskiy <artem.bityutskiy@intel.com>
Cc: Wendy Wang <wendy.wang@intel.com>
Fixes: 3877d55a0db2 ("perf/x86/intel/cstate: Add Sierra Forest support")
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
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
next reply other threads:[~2024-05-06 8:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-06 8:48 Zhenyu Wang [this message]
2024-05-15 3:21 ` [PATCH RESEND] perf/x86/intel/cstate: Add pkg C2 residency counter for Sierra Forest Zhenyu Wang
2024-05-15 13:01 ` Wang, Wendy
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