Messages in this thread | | | Date | Fri, 22 Dec 2017 08:56:43 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH 2/5] sched: Add NOHZ_STATS_KICK |
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On Thu, Dec 21, 2017 at 05:23:27PM +0100, Vincent Guittot wrote: > Hi Peter, > > I think that part of the proposal is missing. > > One goal of the patchset was to kick an update of the stats of idle > cpu when a task wake up on a cpu but the statistic has not been > updated for a while. > > That's why there where a call to nohz_kick_needed in the proposal to > kick ilb but only for updating blocked load and not a full idle load > balance > > I can't find this call any more in your patchset
Yeah, I took it out because it didn't make sense to me. If you're waking to a stale CPU, you're too late.
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