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| author | Sandipan Das <[email protected]> | 2022-04-21 11:16:56 +0530 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2022-05-04 11:18:26 +0200 |
| commit | 56e026a7ca3f92b8e44359e1f705febd1833f701 (patch) | |
| tree | cd1ae6fe5665a3a3ca8114eb1aff6b458274a641 /lib/mpi/mpi-sub-ui.c | |
| parent | 21d59e3e2c403c83ba196a5857d517054124168e (diff) | |
perf/x86/amd/core: Detect available counters
If AMD Performance Monitoring Version 2 (PerfMonV2) is
supported, use CPUID leaf 0x80000022 EBX to detect the
number of Core PMCs. This offers more flexibility if the
counts change in later processor families.
Signed-off-by: Sandipan Das <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://lkml.kernel.org/r/68a6d9688df189267db26530378870edd34f7b06.1650515382.git.sandipan.das@amd.com
Diffstat (limited to 'lib/mpi/mpi-sub-ui.c')
0 files changed, 0 insertions, 0 deletions