Re: Network slowdown due to CFS
From: Ingo Molnar
Date: Sun Oct 07 2007 - 03:18:26 EST
* Jarek Poplawski <jarkao2@xxxxx> wrote:
> > [...] The timeslices of tasks (i.e. the time they spend on a CPU
> > without scheduling away) is _not_ maintained directly in CFS as a
> > per-task variable that can be "cleared", it's not the metric that
> > drives scheduling. Yes, of course CFS too "slices up CPU time", but
> > those slices are not the per-task variables of traditional
> > schedulers and cannot be 'cleared'.
>
> It's not about this comment alone, but this comment plus "no notion"
> comment, which appears in sched-design-CFS.txt too.
ok - i've re-read it and it indeed is somewhat confusing without
additional context. I'll improve the wording. (sched-design-CFS.txt
needs an update anyway)
Ingo
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