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| author | Perry Yuan <perry.yuan@amd.com> | 2024-05-25 18:08:43 +0300 |
|---|---|---|
| committer | Mario Limonciello <mario.limonciello@amd.com> | 2024-06-12 00:12:12 +0300 |
| commit | c7107750b2ffaa4950faa53f84f9c9aa2caac89a (patch) | |
| tree | d861794d844e56f21afa415ef7edee3cf6066040 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py | |
| parent | 83a7eefedc9b56fe7bfeff13b6c7356688ffa670 (diff) | |
| download | linux-c7107750b2ffaa4950faa53f84f9c9aa2caac89a.tar.xz | |
x86/cpufeatures: Add AMD FAST CPPC feature flag
Some AMD Zen 4 processors support a new feature FAST CPPC which
allows for a faster CPPC loop due to internal architectural
enhancements. The goal of this faster loop is higher performance
at the same power consumption.
Reference:
See the page 99 of PPR for AMD Family 19h Model 61h rev.B1, docID 56713
Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Borislav Petkov (AMD) <bp@alien8.de>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py')
0 files changed, 0 insertions, 0 deletions