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perf/x86/intel/cstate: Add Diamond Rapids support
authorZide Chen <zide.chen@intel.com>
Mon, 15 Dec 2025 18:25:20 +0000 (10:25 -0800)
committerIngo Molnar <mingo@kernel.org>
Tue, 16 Dec 2025 13:35:59 +0000 (14:35 +0100)
commit7ac422cf7b16ec524bcd8e017459e328a4103f63
tree08b440cbdb8c5015e5ffb3f390054613d4a64322tree
parent7e760ac4617b63628edd55a96be2fc85b7eaa435commit | diff
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
arch/x86/events/intel/cstate.c diff | blob | blame | history
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