From bbb968696d0f3442ab823598def3b756cf4735c6 Mon Sep 17 00:00:00 2001
From: Kan Liang <kan.liang@linux.intel.com>
Date: Thu, 16 Nov 2023 06:22:45 -0800
Subject: perf/x86/intel/cstate: Add Grand Ridge support
The same as the Sierra Forest, the Grand Ridge supports core C1/C6 and
module C6. But it doesn't support pkg C6 residency counter.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231116142245.1233485-4-kan.liang@linux.intel.com
---
arch/x86/events/intel/cstate.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
(limited to 'arch/x86/events')
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 4a46ef315284..4b50a3a9818a 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
+ * MTL,SRF,GRR
* Scope: Core (each processor core has a MSR)
* MSR_CORE_C3_RESIDENCY: CORE C3 Residency Counter
* perf code: 0x01
@@ -52,7 +52,8 @@
* 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
+ * TGL,TNT,RKL,ADL,RPL,SPR,MTL,SRF,
+ * GRR
* Scope: Core
* MSR_CORE_C7_RESIDENCY: CORE C7 Residency Counter
* perf code: 0x03
@@ -99,7 +100,7 @@
* Scope: Package (physical package)
* MSR_MODULE_C6_RES_MS: Module C6 Residency Counter.
* perf code: 0x00
- * Available model: SRF
+ * Available model: SRF,GRR
* Scope: A cluster of cores shared L2 cache
*
*/
@@ -677,6 +678,13 @@ static const struct cstate_model glm_cstates __initconst = {
BIT(PERF_CSTATE_PKG_C10_RES),
};
+static const struct cstate_model grr_cstates __initconst = {
+ .core_events = BIT(PERF_CSTATE_CORE_C1_RES) |
+ BIT(PERF_CSTATE_CORE_C6_RES),
+
+ .module_events = BIT(PERF_CSTATE_MODULE_C6_RES),
+};
+
static const struct cstate_model srf_cstates __initconst = {
.core_events = BIT(PERF_CSTATE_CORE_C1_RES) |
BIT(PERF_CSTATE_CORE_C6_RES),
@@ -739,6 +747,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, &glm_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GRACEMONT, &adl_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT_X, &srf_cstates),
+ X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT, &grr_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L, &icl_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE, &icl_cstates),
--
cgit