Re: [patch 3/6] sched: use rq->avg_event to resurrect nohzratelimiting

[Mike Galbraith]

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@xxxxxx>
> 
> 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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