Re: [PATCH] sched: wake up task on prev_cpu if not in SD_WAKE_AFFINE domain with cpu

From: Mike Galbraith
Date: Fri May 09 2014 - 23:56:59 EST


On Fri, 2014-05-09 at 14:16 -0400, Rik van Riel wrote:

> That leaves the big question: do we want to fall back to
> prev_cpu if it is not idle, and it has an idle sibling,
> or would it be better to find an idle sibling of prev_cpu
> when we wake up a task?

Yes. If there was A correct answer, this stuff would be a lot easier.

-Mike

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