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From: Ingo Molnar <mingo@elte.hu>
To: Christian Meder <chris@onestepahead.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6 vs 2.4 regression when running gnomemeeting
Date: Sun, 21 Dec 2003 09:57:16 +0100	[thread overview]
Message-ID: <20031221085716.GA21322@elte.hu> (raw)
In-Reply-To: <1071970825.1025.87.camel@localhost>


* Christian Meder <chris@onestepahead.de> wrote:

> I tried to verify your suggestion and found that the P_RTEMS symbol is
> not defined on Linux. It seems to be some other kind of realtime
> operating system. So the code in question already uses usleep. Now I'm
> still digging for other occurances of sched_yield in the pwlib
> sources.

could you try to strace -f gnomemeeting? Maybe there's no sched_yield()
at all. Could you also try to run the non-yielding loop code via:

	nice -19 ./loop &

do a couple of such loops still degrade gnomemeeting?

	Ingo

  reply	other threads:[~2003-12-21  9:14 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-19 20:11 2.6 vs 2.4 regression when running gnomemeeting Christian Meder
2003-12-19 20:32 ` William Lee Irwin III
2003-12-19 23:30   ` Christian Meder
2003-12-20  0:21     ` Nick Piggin
2003-12-20  0:37       ` Christian Meder
2003-12-20  0:48         ` Nick Piggin
2003-12-20  1:11           ` Christian Meder
2003-12-20  1:26             ` Nick Piggin
2003-12-20  1:52               ` Christian Meder
2003-12-20  2:38                 ` Nick Piggin
2003-12-20  2:55                   ` Con Kolivas
2003-12-20  3:32                     ` Christian Meder
2003-12-20  3:50                       ` Nick Piggin
2003-12-20  4:16                         ` Christian Meder
2003-12-20  4:32                           ` Nick Piggin
2003-12-20  5:15                             ` Christian Meder
2003-12-20  8:31                               ` Con Kolivas
2003-12-20 11:19                               ` Ingo Molnar
2003-12-20 16:17                                 ` Christian Meder
2003-12-20 16:49                                 ` Christian Meder
2003-12-20 17:42                                   ` Ingo Molnar
2003-12-21  1:40                                     ` Christian Meder
2003-12-21  8:57                                       ` Ingo Molnar [this message]
2003-12-22  1:19                                         ` Christian Meder
2003-12-22  1:47                                           ` Con Kolivas
2003-12-22  8:48                                           ` Ingo Molnar
2003-12-20 23:29                                   ` Nick Piggin
2003-12-20 22:20                         ` Matthias Andree
2003-12-21 19:23                           ` Jens Axboe
2003-12-22 10:54                       ` Andrew McGregor
2003-12-22 11:15                         ` Con Kolivas
2003-12-22 12:51                         ` Ingo Molnar
2003-12-22 13:25                         ` Nick Piggin
2003-12-20 19:34 ` Marc Schiffbauer
2003-12-21  1:49   ` Christian Meder

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