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

From	Mike Galbraith <mgalbraith@suse.de>
Newsgroups	linux.kernel
Subject	Re: [RFC][PATCH 5/7] sched: Rewrite select_idle_siblings()
Date	2016-05-11 09:50 +0200
Message-ID	<rxx46-3Bt-7@gated-at.bofh.it> (permalink)
References	<rwR4S-3QS-9@gated-at.bofh.it> <rwR4S-3QS-7@gated-at.bofh.it> <rxufU-11W-3@gated-at.bofh.it> <rxwro-3gT-17@gated-at.bofh.it> <rxwKJ-3ri-7@gated-at.bofh.it>
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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

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[RFC][PATCH 5/7] sched: Rewrite select_idle_siblings() Peter Zijlstra <peterz@infradead.org> - 2016-05-09 13:00 +0200
  Re: [RFC][PATCH 5/7] sched: Rewrite select_idle_siblings() Yuyang Du <yuyang.du@intel.com> - 2016-05-11 06:50 +0200
    Re: [RFC][PATCH 5/7] sched: Rewrite select_idle_siblings() Peter Zijlstra <peterz@infradead.org> - 2016-05-11 09:10 +0200
      Re: [RFC][PATCH 5/7] sched: Rewrite select_idle_siblings() Yuyang Du <yuyang.du@intel.com> - 2016-05-11 09:30 +0200
        Re: [RFC][PATCH 5/7] sched: Rewrite select_idle_siblings() Mike Galbraith <mgalbraith@suse.de> - 2016-05-11 09:50 +0200

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