linux-kernel - Re: scheduler nice 19 versus 'idle' behavior / static low-priority scheduling

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Message-Id: <1233312042.4495.167.camel@laptop>
Date:	Fri, 30 Jan 2009 11:40:42 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Mike Galbraith <efault@....de>
Cc:	Nathanael Hoyle <nhoyle@...letech.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: scheduler nice 19 versus 'idle' behavior / static low-priority
 scheduling

On Fri, 2009-01-30 at 11:31 +0100, Mike Galbraith wrote:
> On Fri, 2009-01-30 at 05:18 -0500, Nathanael Hoyle wrote:
> 
> > Ok, I'm now running:
> > 
> > Linux nightmare 2.6.28.2-nhoyle #1 SMP Fri Jan 30 04:50:03 EST 2009
> > x86_64 Intel(R) Core(TM)2 Quad CPU Q9450 @ 2.66GHz GenuineIntel
> > GNU/Linux
> > 
> > Initial conclusion is that whatever defects were corrected (non
> > SCHED_IDLE specific defects that is), the newer kernel version does the
> > trick.  Video playback is as smooth as ever when running foldingathome
> > at simple nice 19 priority.
> 
> Good to hear, thanks for testing.
> 
> Peter, since 27 is a long term maintenance kernel, do you think 1af5f73
> and 046e7f7 (at least) are 27.stable candidates?

1af5f730fc1bf7c62ec9fb2d307206e18bf40a69 and
e17036dac189dd034c092a91df56aa740db7146d you mean?

I guess that makes sense.

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