[PATCH] perf/x86/intel/cstate: Add Clearwater Forest support
From: Zide Chen
Date: Tue Mar 04 2025 - 00:20:20 EST
From: Zhenyu Wang <zhenyuw.linux@xxxxxxxxx>
Clearwater Forest is based on Darkmont Atom microarchitecture. From
the C-states residency profiling's perspetive, it supports the same
residency counters as Sierra Forrest: CC1/CC6, PC2/PC6 and MC6.
Cc: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Reviewed-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Signed-off-by: Zhenyu Wang <zhenyuw.linux@xxxxxxxxx>
Signed-off-by: Zide Chen <zide.chen@xxxxxxxxx>
---
arch/x86/events/intel/cstate.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index ae4ec16156bb..028557210e23 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -627,6 +627,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_MATCH_VFM(INTEL_ATOM_GRACEMONT, &adl_cstates),
X86_MATCH_VFM(INTEL_ATOM_CRESTMONT_X, &srf_cstates),
X86_MATCH_VFM(INTEL_ATOM_CRESTMONT, &grr_cstates),
+ X86_MATCH_VFM(INTEL_ATOM_DARKMONT_X, &srf_cstates),
X86_MATCH_VFM(INTEL_ICELAKE_L, &icl_cstates),
X86_MATCH_VFM(INTEL_ICELAKE, &icl_cstates),
--
2.34.1