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From: Tejun Heo <tj@kernel.org>
To: Ingo Molnar <mingo@redhat.com>, Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Mike Galbraith <efault@gmx.de>, Paul Turner <pjt@google.com>,
	Chris Mason <clm@fb.com>,
	kernel-team@fb.com
Subject: [RFC PATCHSET v2] sched/fair: fix load balancer behavior when cgroup is in use
Date: Thu, 4 May 2017 16:28:38 -0400	[thread overview]
Message-ID: <20170504202838.GA2647@htj.duckdns.org> (raw)

Hello,

v1 posting can be found at

  http://lkml.kernel.org/r/20170424201344.GA14169@wtj.duckdns.org

The patchset is still RFC and based on v4.11.  I used Peter's updated
calc_cfs_shares() instead of scaling manually and updated so that
runnable_load_avg is propagated independently from load_avg.  Due to
the way sched_entity and cfs_rq loads are calculated, this requires an
extra runnable_load_avg calculation for group sched_entities, but the
end result is cleaner and actually makes sense.

Vincent, can you please verify whether the regression that you see is
gone with this version?

Thanks.

-- 
tejun

             reply	other threads:[~2017-05-04 20:28 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-04 20:28 Tejun Heo [this message]
2017-05-04 20:29 ` [PATCH 1/3] sched/fair: Peter's shares_type patch Tejun Heo
2017-05-05 10:40   ` Vincent Guittot
2017-05-05 15:30     ` Tejun Heo
2017-05-10 15:09       ` Tejun Heo
2017-05-10 16:07         ` Vincent Guittot
2017-05-11  6:59           ` Peter Zijlstra
2017-05-05 15:41     ` Peter Zijlstra
2017-05-04 20:29 ` [PATCH 2/3] sched/fair: Add load_weight->runnable_load_{sum|avg} Tejun Heo
2017-05-05 13:22   ` Dietmar Eggemann
2017-05-05 13:26     ` Tejun Heo
2017-05-05 13:37       ` Dietmar Eggemann
2017-05-04 20:30 ` [PATCH 3/3] sched/fair: Propagate runnable_load_avg independently from load_avg Tejun Heo
2017-05-05 10:42   ` Vincent Guittot
2017-05-05 12:18     ` Vincent Guittot
2017-05-05 13:26       ` Tejun Heo
2017-05-05 16:51   ` Vincent Guittot
2017-05-05  8:46 ` [RFC PATCHSET v2] sched/fair: fix load balancer behavior when cgroup is in use Vincent Guittot
2017-05-05 13:28   ` Tejun Heo
2017-05-05 13:32     ` Vincent Guittot

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