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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-12-29 00:21:49 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-12-30 21:10:02 +0300 |
| commit | c02d5feb6e2f60affc6ba8606d8d614c071e2ba6 (patch) | |
| tree | e2dc2f1e6bee6764053b1c5263757818fcba0aea /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | fbf757e55afbd8b4d36f4808a6ae9107afeb79f3 (diff) | |
| download | linux-c02d5feb6e2f60affc6ba8606d8d614c071e2ba6.tar.xz | |
ACPI: processor: perflib: Use the "no limit" frequency QoS
When _PPC returns 0, it means that the CPU frequency is not limited by
the platform firmware, so make acpi_processor_get_platform_limit()
update the frequency QoS request used by it to "no limit" in that case.
This addresses a problem with limiting CPU frequency artificially on
some systems after CPU offline/online to the frequency that corresponds
to the first entry in the _PSS return package.
Reported-by: Pratyush Yadav <ptyadav@amazon.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Pratyush Yadav <ptyadav@amazon.de>
Tested-by: Pratyush Yadav <ptyadav@amazon.de>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
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