Re: [RFC][PATCH 5/7] sched: Rewrite select_idle_siblings()

[Mike Galbraith]

On Wed, 2016-05-11 at 07:42 +0800, Yuyang Du wrote:

> Do you have any suggestion about doing other part of
> select_task_rq_fair?

Conjure up a decent metric for placing tasks in tasty hot L2?  That
would be really lovely to have (/me pondering page faults..).

We used to have an avg_overlap heuristic, which would let us stack high
speed ping-pong like things such that they could really smoke.  It was
too fragile though, so had to go away.

	-Mike