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| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2025-02-08 13:53:19 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2025-02-20 01:03:34 -0500 |
| commit | ed625c61b85c2333324dca43146c4ebabf8b236f (patch) | |
| tree | 77e94ae52d3c5b1e9585e344c5140bbbce43011e /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | 5132681dcd96b2a8c357b6e5d93e9876924bb80b (diff) | |
| download | linux-stable-ed625c61b85c2333324dca43146c4ebabf8b236f.tar.gz linux-stable-ed625c61b85c2333324dca43146c4ebabf8b236f.tar.bz2 linux-stable-ed625c61b85c2333324dca43146c4ebabf8b236f.zip | |
tools/power turbostat: Add idle governor statistics reporting
The idle governor provides the following per-idle state sysfs files:
* above - Indicates overshoots, where a more shallow state should have
been requested (if avaliale and enabled).
* below - Indicates undershoots, where a deeper state should have been
requested (if available and enabled).
These files offer valuable insights into how effectively the Linux kernel
idle governor selects idle states for a given workload. This commit adds
support for these files in turbostat.
Expose the contents of these files with the following naming convention:
* C1: The number of times the C1 state was requested (existing counter).
* C1+: The number of times the idle governor selected C1, but a deeper
idle state should have been selected instead.
* C1-: The number of times the idle governor selected C1, but a shallower
idle state should have been selected instead.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions