diff options
| author | Wyes Karny <[email protected]> | 2023-03-30 14:13:14 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2023-04-11 20:44:25 +0200 |
| commit | 4654e9f9f43993eb9ce383fa7c88d14b052b8cc3 (patch) | |
| tree | ba322ef1b8f12c002515e2bb2a9d6cdef1a9e9ab /tools/perf/scripts/python/futex-contention.py | |
| parent | 09a9639e56c01c7a00d6c0ca63f4c7c41abe075d (diff) | |
amd-pstate: Fix amd_pstate mode switch
amd_pstate mode can be changed by writing the mode name to the `status`
sysfs. But some combinations are not working. Fix this issue by taking
care of the edge cases.
Before the fix the mode change combination test fails:
#./pst_test.sh
Test passed: from: disable, to
Test passed: from: disable, to disable
Test failed: 1, From mode: disable, to mode: passive
Test failed: 1, From mode: disable, to mode: active
Test failed: 1, From mode: passive, to mode: active
Test passed: from: passive, to disable
Test failed: 1, From mode: passive, to mode: passive
Test failed: 1, From mode: passive, to mode: active
Test failed: 1, From mode: active, to mode: active
Test passed: from: active, to disable
Test failed: 1, From mode: active, to mode: passive
Test failed: 1, From mode: active, to mode: active
After the fix test passes:
#./pst_test.sh
Test passed: from: disable, to
Test passed: from: disable, to disable
Test passed: from: disable, to passive
Test passed: from: disable, to active
Test passed: from: passive, to active
Test passed: from: passive, to disable
Test passed: from: passive, to passive
Test passed: from: passive, to active
Test passed: from: active, to active
Test passed: from: active, to disable
Test passed: from: active, to passive
Test passed: from: active, to active
Fixes: abd61c08ef349 ("cpufreq: amd-pstate: add driver working mode switch support")
Acked-by: Huang Rui <[email protected]>
Reviewed-by: Alexey Kardashevskiy <[email protected]>
Signed-off-by: Wyes Karny <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
0 files changed, 0 insertions, 0 deletions