Messages in this thread | | | Subject | Re: [RFC][PATCH 4/4] sched/fair: Optimize cgroup pick_next_task_fair | From | Peter Zijlstra <> | Date | Thu, 14 Jun 2012 23:19:18 +0200 |
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On Thu, 2012-06-14 at 15:29 +0200, Peter Zijlstra wrote: > Since commit 2f36825b1 ("sched: Next buddy hint on sleep and preempt > path") it is likely we pick a new task from the same cgroup, doing a put > and then set on all intermediate entities is a waste of time, so try to > avoid this.
I just noticed put_prev_entity() also does the bandwidth enforcement stuff, I think I just broke that. Will have a peek at fixing that tomorrow or so.
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