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From: Dhaval Giani <dhaval@linux.vnet.ibm.com>
To: Parag Warudkar <parag.warudkar@gmail.com>
Cc: Frans Pop <elendil@planet.nl>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Horrendous Audio Stutter - current git
Date: Fri, 2 May 2008 18:51:17 +0530	[thread overview]
Message-ID: <20080502132117.GA4912@linux.vnet.ibm.com> (raw)
In-Reply-To: <82e4877d0805020522o278ab3f5i21fc820084f85b97@mail.gmail.com>

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@planet.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

  reply	other threads:[~2008-05-02 13:21 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-02  0:14 Horrendous Audio Stutter - current git Parag Warudkar
2008-05-02  8:34 ` Peter Zijlstra
2008-05-02 10:32   ` Frans Pop
2008-05-02 10:35     ` Peter Zijlstra
2008-05-02 11:08       ` Peter Zijlstra
2008-05-02 11:37         ` Frans Pop
2008-05-02 11:39           ` Peter Zijlstra
2008-05-02 11:45             ` Frans Pop
2008-05-02 11:51               ` Peter Zijlstra
2008-05-02 12:06             ` Frans Pop
2008-05-02 12:22               ` Parag Warudkar
2008-05-02 13:21                 ` Dhaval Giani [this message]
2008-05-02 11:10   ` Parag Warudkar
2008-05-02 12:09     ` Mike Galbraith
2008-05-02 12:21       ` Parag Warudkar
2008-05-02 12:37         ` Mike Galbraith
2008-05-02 15:02           ` Mike Galbraith
2008-05-02 15:49             ` Frans Pop
2008-05-02 18:53               ` Frans Pop
2008-05-02 19:27                 ` Mike Galbraith
2008-05-02 19:56                   ` 'global' rq->clock (was Re: Horrendous Audio Stutter - current git) Peter Zijlstra
2008-05-02 20:38                     ` Guillaume Chazarain
2008-05-02 20:46                       ` Peter Zijlstra
2008-05-02 22:00                         ` 'global' rq->clock David Miller
2008-05-02 21:48                     ` David Miller
2008-05-02 10:09                       ` Arjan van de Ven
2008-05-04 12:12                         ` Peter Zijlstra
2008-05-02 22:07                       ` Peter Zijlstra
2008-05-03  8:28                         ` Ingo Molnar
2008-05-03  9:05                           ` David Miller
2008-05-03 10:10                             ` Ingo Molnar
2008-05-03 19:27                               ` David Miller
2008-05-03 19:37                                 ` Ingo Molnar
2008-05-03 22:30                                 ` Benjamin Herrenschmidt
2008-05-03 22:38                                   ` Ingo Molnar
2008-05-03 23:04                                     ` David Miller
2008-05-03 23:36                                       ` David Miller
2008-05-03 23:38                                         ` Ingo Molnar
2008-05-03 23:40                                           ` David Miller
2008-05-03 23:47                                             ` Ingo Molnar
2008-05-04  2:22                                     ` Benjamin Herrenschmidt
2008-05-03 19:28                               ` David Miller
2008-05-03 19:39                                 ` Ingo Molnar
2008-05-03  6:20                     ` 'global' rq->clock (was Re: Horrendous Audio Stutter - current git) Mike Galbraith
2008-05-02 19:38               ` Horrendous Audio Stutter - current git Mike Galbraith
2008-05-03  7:13           ` Frans Pop
2008-05-03  7:39             ` Mike Galbraith
2008-05-07  8:26   ` Frans Pop
2008-05-07  8:32     ` Ingo Molnar

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