linux-kernel - Re: [git] CFS-devel, group scheduler, fixes

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Message-Id: <1190183324.9737.7.camel@Homer.simpson.net>
Date:	Wed, 19 Sep 2007 08:28:44 +0200
From:	Mike Galbraith <efault@....de>
To:	Tong Li <tong.n.li@...el.com>
Cc:	Ingo Molnar <mingo@...e.hu>, dimm <dmitry.adamushko@...il.com>,
	linux-kernel@...r.kernel.org,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [git] CFS-devel, group scheduler, fixes

Greetings,

On Tue, 2007-09-18 at 23:03 -0700, Tong Li wrote:
> This patch attempts to improve CFS's SMP global fairness based on the new 
> virtual time design.
> 
> Removed vruntime adjustment in set_task_cpu() as it skews global fairness.

Since I'm (still) encountering Xorg latency issues (which go away if
load is hefty instead of light) even with that migration adjustment and
synchronization, and am having difficulty nailing it down to a specific
event, I'll test this immediately.

	-Mike

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