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SubjectRe: [patch 6/7] sched: use rq->avg_event to resurrect nohz ratelimiting
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On Tue, 2011-11-22 at 15:24 +0100, Mike Galbraith wrote:
> Entering nohz at high frequency eats cycles, ratelimit it
> just as we do idle_balance(), and for the same reason.

ideally we should have some per-arch information on how costly it
actually is to enter/leave nohz.

Also, can you confirm, or otherwise run this by whoemever reported that
power-usage regression the last time we tried this?



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