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authorZide Chen <zide.chen@intel.com>2025-12-15 21:25:20 +0300
committerIngo Molnar <mingo@kernel.org>2025-12-16 16:35:59 +0300
commit7ac422cf7b16ec524bcd8e017459e328a4103f63 (patch)
tree08b440cbdb8c5015e5ffb3f390054613d4a64322
parent7e760ac4617b63628edd55a96be2fc85b7eaa435 (diff)
downloadlinux-7ac422cf7b16ec524bcd8e017459e328a4103f63.tar.xz
perf/x86/intel/cstate: Add Diamond Rapids support
From a C-state residency profiling perspective, Diamond Rapids is similar to SRF and GNR, supporting core C1/C6, module C6, and package C2/C6 residency counters. Similar to CWF, the C1E residency can be accessed via PMT only. Signed-off-by: Zide Chen <zide.chen@intel.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Link: https://patch.msgid.link/20251215182520.115822-3-zide.chen@intel.com
-rw-r--r--arch/x86/events/intel/cstate.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 008f8ea59315..1e2658b60d91 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -652,6 +652,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_MATCH_VFM(INTEL_EMERALDRAPIDS_X, &icx_cstates),
X86_MATCH_VFM(INTEL_GRANITERAPIDS_X, &icx_cstates),
X86_MATCH_VFM(INTEL_GRANITERAPIDS_D, &icx_cstates),
+ X86_MATCH_VFM(INTEL_DIAMONDRAPIDS_X, &srf_cstates),
X86_MATCH_VFM(INTEL_TIGERLAKE_L, &icl_cstates),
X86_MATCH_VFM(INTEL_TIGERLAKE, &icl_cstates),