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SubjectRe: [patch] CFS scheduler, -v18

* Antonino Ingargiola <> wrote:

> Anyway, I've discovered with great pleasure that CFS has also the
> SCHED_ISO priority. I may have missed something, but I don't remember
> to have read this in any of the CFS release notes :). For me this is a
> really useful feature. Thanks.

well, it's only a hack and emulated: SCHED_ISO in CFS is recognized as a
policy but it falls back to SCHED_NORMAL. Could you check how well this
(i.e. SCHED_NORMAL) works for your workload, compared to SD's SCHED_ISO?
If you'd like to increase the priority of a task, i'd suggest to use
negative nice levels. (use the 'nice' option in
/etc/security/limits.conf with a newer version of PAM to allow
unprivileged users to use negative nice levels.)

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