Messages in this thread | | | Date | Thu, 4 May 2023 08:21:05 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2 2/6] sched/cpuset: Bring back cpuset_mutex |
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On Wed, May 03, 2023 at 09:22:24AM +0200, Juri Lelli wrote: > Turns out percpu_cpuset_rwsem - commit 1243dc518c9d ("cgroup/cpuset: > Convert cpuset_mutex to percpu_rwsem") - wasn't such a brilliant idea, > as it has been reported to cause slowdowns in workloads that need to > change cpuset configuration frequently and it is also not implementing > priority inheritance (which causes troubles with realtime workloads).
What were they doing ? Dynamically adjusting the DL parameters?
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