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| author |   Kan Liang <kan.liang@linux.intel.com> | 2023-01-04 12:13:45 -0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2023-01-09 12:22:08 +0100 |
| commit | eb467aaac21e133a3d01c48c0a6bf43756b06e78 (patch) | |
| tree | 607cf74d86120fda94328468aa427a7234393460 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | x86/cpufeatures: Add Architectural PerfMon Extension bit (diff) | |
| download | wireguard-linux-eb467aaac21e133a3d01c48c0a6bf43756b06e78.tar.xz wireguard-linux-eb467aaac21e133a3d01c48c0a6bf43756b06e78.zip | |
perf/x86/intel: Support Architectural PerfMon Extension leaf
The new CPUID leaf 0x23 reports the "true view" of PMU resources.
The sub-leaf 1 reports the available general-purpose counters and fixed
counters. Update the number of counters and fixed counters when the
sub-leaf is detected.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230104201349.1451191-5-kan.liang@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
0 files changed, 0 insertions, 0 deletions