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SubjectRe: [patch 3/6] sched: use rq->avg_event to resurrect nohz ratelimiting
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On Fri, 2011-11-18 at 16:36 +0100, Peter Zijlstra wrote:
> On Fri, 2011-11-18 at 16:19 +0100, Mike Galbraith wrote:
> > Entering nohz at high frequency eats cycles, ratelimit it
> > just as we do idle_balance(), and for the same reason.
> >
> > Signed-off-by: Mike Galbraith <efault@gmx.de>
>
> Arjan, can we do something smart with the idle governor which already
> guestimates the idle duration for us?

That would be great. Won't help my Intel Q6600 though, the intel_idle
governor doesn't support it. Other idle_governor gizmos really need to
get smarter too.

-Mike



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