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From: Andrew Morton <akpm@digeo.com>
To: Tom Sightler <ttsig@tuxyturvy.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Strange load issues with 2.5.69/70 in both -mm and -bk trees.
Date: Sat, 31 May 2003 21:45:20 -0700	[thread overview]
Message-ID: <20030531214520.5b7facf4.akpm@digeo.com> (raw)
In-Reply-To: <1054441433.1722.33.camel@iso-8590-lx.zeusinc.com>

Tom Sightler <ttsig@tuxyturvy.com> wrote:
>
> I simply reniced this process to -10 and
>  everything started working fine.  Upon looking a little further it
>  seemed that the kernel was dynamically boosting the priority of the
>  process much higher than it probably should be, in the end, not leaving
>  enough CPU for playing the sounds without skipping.

Yes, it seems that too many real-world applications are accidentally
triggering this problem.

Could you please run an strace of the boosted process, find out what it is
doing to get itself boosted in this manner?  Wait until things are in
steady state and the process is boosted, then run `strace -tt <pid>' so we
see the timing info.


Thanks.

  reply	other threads:[~2003-06-01  4:31 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-06-01  4:23 Strange load issues with 2.5.69/70 in both -mm and -bk trees Tom Sightler
2003-06-01  4:45 ` Andrew Morton [this message]
2003-06-01 17:36   ` Tom Sightler
2003-06-01 20:07     ` Andrew Morton
2003-06-02  1:59       ` Tom Sightler
2003-06-02  7:36   ` Ingo Molnar
2003-06-02 13:36     ` Tom Sightler
2003-06-02 15:14       ` Ingo Molnar
2003-06-02 15:24         ` Arjan van de Ven
2003-06-02 15:25           ` Ingo Molnar
2003-06-02 15:32             ` Tom Sightler
2003-06-02 17:28               ` Ingo Molnar
2003-06-02 19:27                 ` Tom Sightler
2003-06-02 22:49                   ` Rob Landley
2003-06-04  8:14                   ` Mike Galbraith
2003-06-04 15:08                     ` Tom Sightler
2003-06-04 15:12                       ` Ingo Molnar
2003-06-04 16:00                         ` Tom Sightler
2003-06-04 16:05                       ` Mike Galbraith
2003-06-02 20:53     ` Andreas Boman
2003-06-02 23:10       ` Valdis.Kletnieks
     [not found] <5.2.0.9.2.20030601084615.00ce6e30@pop.gmx.net>
2003-06-01 17:43 ` Tom Sightler
2003-06-02  7:39   ` Ingo Molnar
2003-06-02 14:30     ` Tom Sightler
2003-06-02 15:24       ` Tom Sightler
2003-06-02 15:47         ` Tom Sightler
2003-06-02 15:53           ` William Lee Irwin III

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