[PATCH 1/3] perf/x86/intel/cstate: Fix Alderlake/Raptorlake/Meteorlake

From: Zhang Rui
Date: Fri Apr 19 2024 - 03:10:41 EST


The spec changes after the patch submitted and PC7/PC9 are removed from
Alderlake and later client platforms.

Remove PC7/PC9 support in cstate PMU.

Fixes: d0ca946bcf84 ("perf/x86/cstate: Add Alder Lake CPU support")
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
---
arch/x86/events/intel/cstate.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 326c8cd5aa2d..b304430ba64a 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -81,7 +81,7 @@
* 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,ADL,RPL,MTL
+ * KBL,CML,ICL,TGL,RKL
* Scope: Package (physical package)
* MSR_PKG_C8_RESIDENCY: Package C8 Residency Counter.
* perf code: 0x04
@@ -90,8 +90,7 @@
* 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,
- * ADL,RPL,MTL
+ * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,RKL
* Scope: Package (physical package)
* MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter.
* perf code: 0x06
@@ -642,9 +641,7 @@ static const struct cstate_model adl_cstates __initconst = {
.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),
};

--
2.34.1