linux-kernel - Re: Horrendous Audio Stutter

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Date:	Fri, 2 May 2008 18:51:17 +0530
From:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
To:	Parag Warudkar <parag.warudkar@...il.com>
Cc:	Frans Pop <elendil@...net.nl>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Horrendous Audio Stutter - current git

On Fri, May 02, 2008 at 08:22:04AM -0400, Parag Warudkar wrote:
> On Fri, May 2, 2008 at 8:06 AM, Frans Pop <elendil@...net.nl> wrote:
> >  Note (mostly for Parag) that I had GROUP_SCHED disabled for these tests, but
> >  for me that did make not any difference with my 2.6.25-rc tests for this
> >  issue, nor with my tests using sched-devel earlier in the .26 merge window.
> >
> 
> Strange - without the _enqueue patch from Peter, stutter is reduced to
> an almost acceptable level for me if I just disable GROUP_SCHED.
> With Peter's patch - I have tested multiple times and the stutter is
> completely eliminated. So +1 for Peter's patch.
> 

Not really, we can do better. I still see stutters and noticable delays
in keypresses making it to the console even with Peter's patches.

/me tries to fix this one :-/

Peter, any more patches to try out?

thanks,
-- 
regards,
Dhaval
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