linux-kernel - Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

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Message-Id: <1173615642.6927.38.camel@Homer.simpson.net>
Date:	Sun, 11 Mar 2007 13:20:42 +0100
From:	Mike Galbraith <efault@....de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Con Kolivas <kernel@...ivas.org>,
	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	ck list <ck@....kolivas.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

On Sun, 2007-03-11 at 13:10 +0100, Ingo Molnar wrote:
> * Mike Galbraith <efault@....de> wrote:
> 
> > > Full patch for 2.6.21-rc3-mm2: 
> > > http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-mm2-rsdl-0.29.patch
> > 
> > I'm seeing a cpu distribution problem running this on my P4 box.
> 
> > With 2.6.21-rc3, X/Gforce maintain their ~50% cpu (remain smooth), and 
> > the encoders (100%cpu bound) get whats left when Amarok isn't eating 
> > it.
> > 
> > I plunked the above patch into plain 2.6.21-rc3 and retested to 
> > eliminate other mm tree differences, and it's repeatable.  The nice 5 
> > cpu hogs always receive considerably more that the nice 0 sleepers.
> 
> hm. Do you get the same same problem on UP too? (i.e. lets eliminate any 
> SMP/HT artifacts)

I'll boot up nosmp and report back (but now it's time to take Opa to the
Gasthaus for his Sunday afternoon brewskies;)

	-Mike

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