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

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Message-ID: <20240717031609.74513-1-zhenyuw@linux.intel.com>
Date: Wed, 17 Jul 2024 11:16:09 +0800
From: Zhenyu Wang <zhenyuw@...ux.intel.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: kan.liang@...ux.intel.com,
	linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	x86@...nel.org,
	Rui Zhang <rui.zhang@...el.com>,
	Artem Bityutskiy <artem.bityutskiy@...el.com>,
	Wendy Wang <wendy.wang@...el.com>
Subject: [PATCH tip rebase] 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.

Cc: Rui Zhang <rui.zhang@...el.com>
Cc: Artem Bityutskiy <artem.bityutskiy@...el.com>
Cc: Wendy Wang <wendy.wang@...el.com>
Tested-by: Wendy Wang <wendy.wang@...el.com>
Fixes: 3877d55a0db2 ("perf/x86/intel/cstate: Add Sierra Forest support")
Signed-off-by: Zhenyu Wang <zhenyuw@...ux.intel.com>
---

Hi, Peter

This refresh resolved conflicts in comment against current tip tree.
Please help to apply.

Thanks!

 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 be58cfb012dd..9f116dfc4728 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),
 };
-- 
2.45.2