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authorKan Liang <kan.liang@linux.intel.com>2021-04-12 17:31:04 +0300
committerPeter Zijlstra <peterz@infradead.org>2021-04-19 21:03:29 +0300
commitd0ca946bcf84e1f9847571923bb1e6bd1264f424 (patch)
treeeb03db27fb53efc02ad494f5070d62472ac49b8a /arch/x86
parent19d3a81fd92dc9b73950564955164ecfd0dfbea1 (diff)
downloadlinux-d0ca946bcf84e1f9847571923bb1e6bd1264f424.tar.xz
perf/x86/cstate: Add Alder Lake CPU support
Compared with the Rocket Lake, the CORE C1 Residency Counter is added for Alder Lake, but the CORE C3 Residency Counter is removed. Other counters are the same. Create a new adl_cstates for Alder Lake. Update the comments accordingly. The External Design Specification (EDS) is not published yet. It comes from an authoritative internal source. The patch has been tested on real hardware. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Andi Kleen <ak@linux.intel.com> Link: https://lkml.kernel.org/r/1618237865-33448-25-git-send-email-kan.liang@linux.intel.com
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/events/intel/cstate.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 407eee5f6f95..433399069e27 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -40,7 +40,7 @@
* Model specific counters:
* MSR_CORE_C1_RES: CORE C1 Residency Counter
* perf code: 0x00
- * Available model: SLM,AMT,GLM,CNL,TNT
+ * Available model: SLM,AMT,GLM,CNL,TNT,ADL
* Scope: Core (each processor core has a MSR)
* MSR_CORE_C3_RESIDENCY: CORE C3 Residency Counter
* perf code: 0x01
@@ -51,46 +51,49 @@
* perf code: 0x02
* Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW,
* SKL,KNL,GLM,CNL,KBL,CML,ICL,TGL,
- * TNT,RKL
+ * TNT,RKL,ADL
* 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
+ * ICL,TGL,RKL,ADL
* 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,TGL,TNT,RKL
+ * KBL,CML,ICL,TGL,TNT,RKL,ADL
* 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
+ * GLM,CNL,KBL,CML,ICL,TGL,TNT,RKL,
+ * ADL
* 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,TGL,
- * TNT,RKL
+ * TNT,RKL,ADL
* Scope: Package (physical package)
* MSR_PKG_C7_RESIDENCY: Package C7 Residency Counter.
* perf code: 0x03
* Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,CNL,
- * KBL,CML,ICL,TGL,RKL
+ * KBL,CML,ICL,TGL,RKL,ADL
* Scope: Package (physical package)
* MSR_PKG_C8_RESIDENCY: Package C8 Residency Counter.
* perf code: 0x04
- * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL
+ * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL,
+ * ADL
* Scope: Package (physical package)
* MSR_PKG_C9_RESIDENCY: Package C9 Residency Counter.
* perf code: 0x05
- * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL
+ * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL,
+ * ADL
* Scope: Package (physical package)
* MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter.
* perf code: 0x06
* Available model: HSW ULT,KBL,GLM,CNL,CML,ICL,TGL,
- * TNT,RKL
+ * TNT,RKL,ADL
* Scope: Package (physical package)
*
*/
@@ -563,6 +566,20 @@ static const struct cstate_model icl_cstates __initconst = {
BIT(PERF_CSTATE_PKG_C10_RES),
};
+static const struct cstate_model adl_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_C7_RES) |
+ BIT(PERF_CSTATE_PKG_C8_RES) |
+ BIT(PERF_CSTATE_PKG_C9_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),
@@ -650,6 +667,8 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, &icl_cstates),
X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, &icl_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ROCKETLAKE, &icl_cstates),
+ X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &adl_cstates),
+ X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &adl_cstates),
{ },
};
MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match);