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.
