Re: Horrendous Audio Stutter - current git

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From: Parag Warudkar <parag.warudkar@...>

To: Frans Pop <elendil@...>

Cc: Peter Zijlstra <peterz@...>, Ingo Molnar <mingo@...>, LKML <linux-kernel@...>

Subject: Re: Horrendous Audio Stutter - current git

Date: Friday, May 2, 2008 - 8:22 am

On Fri, May 2, 2008 at 8:06 AM, Frans Pop <elendil@planet.nl> wrote:
quoted text>  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.

Mike recalls a regression that may be related - so it is possible you
were running w/o the affecting change.

Anyway - all is well in sched-land for now. Rejoice!

Parag
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Messages in current thread:

Horrendous Audio Stutter - current git, Parag Warudkar, (Thu May 1, 8:14 pm)

Re: Horrendous Audio Stutter - current git, Peter Zijlstra, (Fri May 2, 4:34 am)

Re: Horrendous Audio Stutter - current git, Frans Pop, (Wed May 7, 4:26 am)

Re: Horrendous Audio Stutter - current git, Ingo Molnar, (Wed May 7, 4:32 am)

Re: Horrendous Audio Stutter - current git, Parag Warudkar, (Fri May 2, 7:10 am)

Re: Horrendous Audio Stutter - current git, Mike Galbraith, (Fri May 2, 8:09 am)

Re: Horrendous Audio Stutter - current git, Parag Warudkar, (Fri May 2, 8:21 am)

Re: Horrendous Audio Stutter - current git, Mike Galbraith, (Fri May 2, 8:37 am)

Re: Horrendous Audio Stutter - current git, Frans Pop, (Sat May 3, 3:13 am)

Re: Horrendous Audio Stutter - current git, Mike Galbraith, (Sat May 3, 3:39 am)

Re: Horrendous Audio Stutter - current git, Mike Galbraith, (Fri May 2, 11:02 am)

Re: Horrendous Audio Stutter - current git, Frans Pop, (Fri May 2, 11:49 am)

Re: Horrendous Audio Stutter - current git, Mike Galbraith, (Fri May 2, 3:38 pm)

Re: Horrendous Audio Stutter - current git, Frans Pop, (Fri May 2, 2:53 pm)

Re: Horrendous Audio Stutter - current git, Mike Galbraith, (Fri May 2, 3:27 pm)

'global' rq->clock (was Re: Horrendous Audio Stutter - cu..., Peter Zijlstra, (Fri May 2, 3:56 pm)

Re: 'global' rq->clock (was Re: Horrendous Audio Stutter ..., Mike Galbraith, (Sat May 3, 2:20 am)

Re: 'global' rq->clock, David Miller, (Fri May 2, 5:48 pm)

Re: 'global' rq->clock, Arjan van de Ven, (Fri May 2, 6:09 am)

Re: 'global' rq->clock, Peter Zijlstra, (Sun May 4, 8:12 am)

Re: 'global' rq->clock, Peter Zijlstra, (Fri May 2, 6:07 pm)

Re: 'global' rq->clock, Ingo Molnar, (Sat May 3, 4:28 am)

Re: 'global' rq->clock, David Miller, (Sat May 3, 5:05 am)

Re: 'global' rq->clock, Ingo Molnar, (Sat May 3, 6:10 am)

Re: 'global' rq->clock, David Miller, (Sat May 3, 3:28 pm)

Re: 'global' rq->clock, Ingo Molnar, (Sat May 3, 3:39 pm)

Re: 'global' rq->clock, David Miller, (Sat May 3, 3:27 pm)

Re: 'global' rq->clock, Benjamin Herrenschmidt, (Sat May 3, 6:30 pm)

Re: 'global' rq->clock, Ingo Molnar, (Sat May 3, 6:38 pm)

Re: 'global' rq->clock, Benjamin Herrenschmidt, (Sat May 3, 10:22 pm)

Re: 'global' rq->clock, David Miller, (Sat May 3, 7:04 pm)

Re: 'global' rq->clock, David Miller, (Sat May 3, 7:36 pm)

Re: 'global' rq->clock, Ingo Molnar, (Sat May 3, 7:38 pm)

Re: 'global' rq->clock, David Miller, (Sat May 3, 7:40 pm)

Re: 'global' rq->clock, Ingo Molnar, (Sat May 3, 7:47 pm)

Re: 'global' rq->clock, Ingo Molnar, (Sat May 3, 3:37 pm)

Re: 'global' rq->clock (was Re: Horrendous Audio Stutter ..., Guillaume Chazarain, (Fri May 2, 4:38 pm)

Re: 'global' rq->clock (was Re: Horrendous Audio Stutter ..., Peter Zijlstra, (Fri May 2, 4:46 pm)

Re: 'global' rq->clock, David Miller, (Fri May 2, 6:00 pm)

Re: Horrendous Audio Stutter - current git, Frans Pop, (Fri May 2, 6:32 am)

Re: Horrendous Audio Stutter - current git, Peter Zijlstra, (Fri May 2, 6:35 am)

Re: Horrendous Audio Stutter - current git, Peter Zijlstra, (Fri May 2, 7:08 am)

Re: Horrendous Audio Stutter - current git, Frans Pop, (Fri May 2, 7:37 am)

Re: Horrendous Audio Stutter - current git, Peter Zijlstra, (Fri May 2, 7:39 am)

Re: Horrendous Audio Stutter - current git, Frans Pop, (Fri May 2, 8:06 am)

Re: Horrendous Audio Stutter - current git, Parag Warudkar, (Fri May 2, 8:22 am)

Re: Horrendous Audio Stutter - current git, Dhaval Giani, (Fri May 2, 9:21 am)

Re: Horrendous Audio Stutter - current git, Frans Pop, (Fri May 2, 7:45 am)

Re: Horrendous Audio Stutter - current git, Peter Zijlstra, (Fri May 2, 7:51 am)


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Re: Horrendous Audio Stutter - current git

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