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Message-Id: <1188568529.9611.3.camel@Homer.simpson.net>
Date: Fri, 31 Aug 2007 15:55:29 +0200
From: Mike Galbraith <efault@....de>
To: Roman Zippel <zippel@...ux-m68k.org>
Cc: linux-kernel@...r.kernel.org, mingo@...e.hu, peterz@...radead.org
Subject: Re: [ANNOUNCE/RFC] Really Fair Scheduler
On Fri, 2007-08-31 at 15:22 +0200, Roman Zippel wrote:
> Hi,
>
> On Fri, 31 Aug 2007, Mike Galbraith wrote:
>
> > I plunked it into 2.6.23-rc4 to see how it reacts to various sleeper
> > loads, and hit some starvation. If I got it in right (think so) there's
> > a bug lurking somewhere. taskset -c 1 fairtest2 resulted in the below.
> > It starts up running both tasks at about 60/40 for hog/sleeper, then
> > after a short while goes nuts. The hog component eats 100% cpu and
> > starves the sleeper (and events, forever).
>
> Thanks for testing, although your test program does nothing unusual here.
> Can you please send me your .config?
Attached.
> Were there some kernel messages while running it?
I didn't look actually, was in rather a hurry. I'll try it again
tomorrow.
-Mike
View attachment ".config" of type "text/plain" (53728 bytes)
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