linux-kernel - [tip: perf/core] perf/x86/intel/cstate: Add pkg C2 residency counter for Sierra Forest

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Message-ID: <172224868941.2215.15632178560218109190.tip-bot2@tip-bot2>
Date: Mon, 29 Jul 2024 10:24:49 -0000
From: "tip-bot2 for Zhenyu Wang" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Zhenyu Wang <zhenyuw@...ux.intel.com>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>,
 Kan Liang <kan.liang@...ux.intel.com>, Wendy Wang <wendy.wang@...el.com>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: perf/core] perf/x86/intel/cstate: Add pkg C2 residency counter
 for Sierra Forest

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     b1d0e15c8725d21a73c22c099418a63940261041
Gitweb:        https://git.kernel.org/tip/b1d0e15c8725d21a73c22c099418a63940261041
Author:        Zhenyu Wang <zhenyuw@...ux.intel.com>
AuthorDate:    Wed, 17 Jul 2024 11:16:09 +08:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Mon, 29 Jul 2024 12:16:22 +02:00

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

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

Fixes: 3877d55a0db2 ("perf/x86/intel/cstate: Add Sierra Forest support")
Signed-off-by: Zhenyu Wang <zhenyuw@...ux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Kan Liang <kan.liang@...ux.intel.com>
Tested-by: Wendy Wang <wendy.wang@...el.com>
Link: https://lore.kernel.org/r/20240717031609.74513-1-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 be58cfb..9f116df 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,ARL,LNL
+ *						RPL,SPR,MTL,ARL,LNL,SRF
  *			       Scope: Package (physical package)
  *	MSR_PKG_C3_RESIDENCY:  Package C3 Residency Counter.
  *			       perf code: 0x01
@@ -693,7 +693,8 @@ 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),
 };