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| author | Qais Yousef <qyousef@layalina.io> | 2023-01-12 15:27:08 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-01-13 13:40:21 +0300 |
| commit | da07d2f9c153e457e845d4dcfdd13568d71d18a4 (patch) | |
| tree | d1e735a84b3ab5d88477552881f4ad6d82fe4260 /tools/perf/tests/bpf-script-example.c | |
| parent | e26fd28db82899be71b4b949527373d0a6be1e65 (diff) | |
| download | linux-da07d2f9c153e457e845d4dcfdd13568d71d18a4.tar.xz | |
sched/fair: Fixes for capacity inversion detection
Traversing the Perf Domains requires rcu_read_lock() to be held and is
conditional on sched_energy_enabled(). Ensure right protections applied.
Also skip capacity inversion detection for our own pd; which was an
error.
Fixes: 44c7b80bffc3 ("sched/fair: Detect capacity inversion")
Reported-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Qais Yousef (Google) <qyousef@layalina.io>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230112122708.330667-3-qyousef@layalina.io
Diffstat (limited to 'tools/perf/tests/bpf-script-example.c')
0 files changed, 0 insertions, 0 deletions