diff options
| author |   Sandipan Das <sandipan.das@amd.com> | 2022-04-21 11:16:56 +0530 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2022-05-04 11:18:26 +0200 |
| commit | 56e026a7ca3f92b8e44359e1f705febd1833f701 (patch) | |
| tree | cd1ae6fe5665a3a3ca8114eb1aff6b458274a641 /scripts/gdb/linux/utils.py | |
| parent | perf/x86/amd/core: Detect PerfMonV2 support (diff) | |
| download | linux-dev-56e026a7ca3f92b8e44359e1f705febd1833f701.tar.xz linux-dev-56e026a7ca3f92b8e44359e1f705febd1833f701.zip | |
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 <sandipan.das@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/68a6d9688df189267db26530378870edd34f7b06.1650515382.git.sandipan.das@amd.com
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions