linux-kernel - [patch] CFS scheduler, -v14

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Message-ID: <20070523120616.GA23407@elte.hu>
Date:	Wed, 23 May 2007 14:06:16 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	linux-kernel@...r.kernel.org
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	pranith-kumar_d@...torg.com
Subject: [patch] CFS scheduler, -v14

i'm pleased to announce release -v14 of the CFS scheduler patchset.

The CFS patch against v2.6.22-rc2, v2.6.21.1 or v2.6.20.10 can be 
downloaded from the usual place:

      http://people.redhat.com/mingo/cfs-scheduler/

In -v14 the biggest user-visible change is increased sleeper fairness 
(done by Mike Galbraith and myself), which results in better 
interactivity under load. In particular 3D apps such as compiz/Beryl or 
games benefit from it and should be less sensitive to other apps running 
in parallel to them - but plain X benefits from it too.

CFS is converging nicely, with no regressions reported against -v13. 
Changes since -v13:

 - increase sleeper-fairness (Mike Galbraith, me)

 - kernel/sched_debug.c printk argument fixes for ia64 (Andrew Morton)

 - CFS documentation fixes (Pranith Kumar D)

 - increased the default rescheduling granularity to 3msecs on UP,
   6 msecs on 2-way systems

 - small update_curr() precision fix

 - added an overview section to Documentation/sched-design-CFS.txt

 - misc cleanups

As usual, any sort of feedback, bugreport, fix and suggestion is more 
than welcome!

	Ingo
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