linux-kernel - [tip: perf/core] perf/x86/intel/cstate: Add Lunarlake support

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Message-ID: <172021360405.2215.11274214034624879815.tip-bot2@tip-bot2>
Date: Fri, 05 Jul 2024 21:06:44 -0000
From: "tip-bot2 for Zhang Rui" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Zhang Rui <rui.zhang@...el.com>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>,
 Kan Liang <kan.liang@...ux.intel.com>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: perf/core] perf/x86/intel/cstate: Add Lunarlake support

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

Commit-ID:     26579860fbd5129e18de9d6fa0751a48420b26b7
Gitweb:        https://git.kernel.org/tip/26579860fbd5129e18de9d6fa0751a48420b26b7
Author:        Zhang Rui <rui.zhang@...el.com>
AuthorDate:    Fri, 28 Jun 2024 11:17:58 +08:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Thu, 04 Jul 2024 16:00:35 +02:00

perf/x86/intel/cstate: Add Lunarlake support

Compared with previous client platforms, PC8 is removed from Lunarlake.
It supports CC1/CC6/CC7 and PC2/PC3/PC6/PC10 residency counters.

Signed-off-by: Zhang Rui <rui.zhang@...el.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Kan Liang <kan.liang@...ux.intel.com>
Link: https://lore.kernel.org/r/20240628031758.43103-4-rui.zhang@intel.com
---
 arch/x86/events/intel/cstate.c | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 9adfdf0..c729f7e 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -41,7 +41,7 @@
  *	MSR_CORE_C1_RES: CORE C1 Residency Counter
  *			 perf code: 0x00
  *			 Available model: SLM,AMT,GLM,CNL,ICX,TNT,ADL,RPL
- *					  MTL,SRF,GRR,ARL
+ *					  MTL,SRF,GRR,ARL,LNL
  *			 Scope: Core (each processor core has a MSR)
  *	MSR_CORE_C3_RESIDENCY: CORE C3 Residency Counter
  *			       perf code: 0x01
@@ -53,31 +53,31 @@
  *			       Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW,
  *						SKL,KNL,GLM,CNL,KBL,CML,ICL,ICX,
  *						TGL,TNT,RKL,ADL,RPL,SPR,MTL,SRF,
- *						GRR,ARL
+ *						GRR,ARL,LNL
  *			       Scope: Core
  *	MSR_CORE_C7_RESIDENCY: CORE C7 Residency Counter
  *			       perf code: 0x03
  *			       Available model: SNB,IVB,HSW,BDW,SKL,CNL,KBL,CML,
- *						ICL,TGL,RKL,ADL,RPL,MTL,ARL
+ *						ICL,TGL,RKL,ADL,RPL,MTL,ARL,LNL
  *			       Scope: Core
  *	MSR_PKG_C2_RESIDENCY:  Package C2 Residency Counter.
  *			       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
+ *						RPL,SPR,MTL,ARL,LNL
  *			       Scope: Package (physical package)
  *	MSR_PKG_C3_RESIDENCY:  Package C3 Residency Counter.
  *			       perf code: 0x01
  *			       Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL,
  *						GLM,CNL,KBL,CML,ICL,TGL,TNT,RKL,
- *						ADL,RPL,MTL,ARL
+ *						ADL,RPL,MTL,ARL,LNL
  *			       Scope: Package (physical package)
  *	MSR_PKG_C6_RESIDENCY:  Package C6 Residency Counter.
  *			       perf code: 0x02
  *			       Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW,
  *						SKL,KNL,GLM,CNL,KBL,CML,ICL,ICX,
  *						TGL,TNT,RKL,ADL,RPL,SPR,MTL,SRF,
- *						ARL
+ *						ARL,LNL
  *			       Scope: Package (physical package)
  *	MSR_PKG_C7_RESIDENCY:  Package C7 Residency Counter.
  *			       perf code: 0x03
@@ -96,7 +96,7 @@
  *	MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter.
  *			       perf code: 0x06
  *			       Available model: HSW ULT,KBL,GLM,CNL,CML,ICL,TGL,
- *						TNT,RKL,ADL,RPL,MTL,ARL
+ *						TNT,RKL,ADL,RPL,MTL,ARL,LNL
  *			       Scope: Package (physical package)
  *	MSR_MODULE_C6_RES_MS:  Module C6 Residency Counter.
  *			       perf code: 0x00
@@ -640,6 +640,17 @@ static const struct cstate_model adl_cstates __initconst = {
 				  BIT(PERF_CSTATE_PKG_C10_RES),
 };
 
+static const struct cstate_model lnl_cstates __initconst = {
+	.core_events		= BIT(PERF_CSTATE_CORE_C1_RES) |
+				  BIT(PERF_CSTATE_CORE_C6_RES) |
+				  BIT(PERF_CSTATE_CORE_C7_RES),
+
+	.pkg_events		= BIT(PERF_CSTATE_PKG_C2_RES) |
+				  BIT(PERF_CSTATE_PKG_C3_RES) |
+				  BIT(PERF_CSTATE_PKG_C6_RES) |
+				  BIT(PERF_CSTATE_PKG_C10_RES),
+};
+
 static const struct cstate_model slm_cstates __initconst = {
 	.core_events		= BIT(PERF_CSTATE_CORE_C1_RES) |
 				  BIT(PERF_CSTATE_CORE_C6_RES),
@@ -763,6 +774,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
 	X86_MATCH_VFM(INTEL_ARROWLAKE,		&adl_cstates),
 	X86_MATCH_VFM(INTEL_ARROWLAKE_H,	&adl_cstates),
 	X86_MATCH_VFM(INTEL_ARROWLAKE_U,	&adl_cstates),
+	X86_MATCH_VFM(INTEL_LUNARLAKE_M,	&lnl_cstates),
 	{ },
 };
 MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match);