From: Paolo Ornati <ornati@fastwebnet.it>
To: Mike Galbraith <efault@gmx.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Con Kolivas <kernel@kolivas.org>, Ingo Molnar <mingo@elte.hu>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Peter Williams <pwil3058@bigpond.net.au>
Subject: Re: [SCHED] wrong priority calc - SIMPLE test case
Date: Sat, 31 Dec 2005 18:24:40 +0100 [thread overview]
Message-ID: <20051231182440.56863dd3@localhost> (raw)
In-Reply-To: <5.2.1.1.2.20051231162352.00bda610@pop.gmx.net>
On Sat, 31 Dec 2005 17:37:11 +0100
Mike Galbraith <efault@gmx.de> wrote:
> >"./a.out 200 & ./a.out 333"
> >
> > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> > 5607 paolo 15 0 2396 320 252 R 56.1 0.1 0:06.79 a.out
> > 5606 paolo 15 0 2396 324 252 R 38.7 0.1 0:04.55 a.out
> > 1 root 16 0 2556 552 468 S 0.0 0.1 0:00.28 init
>
> Strange. Using the exact same arguments, I do see some odd bouncing up to
> high priorities, but they spend the vast majority of their time down at 25.
You shouldn't use "the same exact numbers", you should try different
args and see if you can reproduce the problem. Or maybe preemption
make some difference... I'll try with PREEMPT enabled and see.
--
Paolo Ornati
Linux 2.6.15-rc7-plugsched on x86_64
next prev parent reply other threads:[~2005-12-31 17:24 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-27 18:09 [SCHED] Totally WRONG prority calculation with specific test-case (since 2.6.10-bk12) Paolo Ornati
2005-12-27 21:48 ` Paolo Ornati
2005-12-27 23:26 ` Con Kolivas
2005-12-28 11:01 ` Paolo Ornati
2005-12-28 11:19 ` Con Kolivas
2005-12-28 11:35 ` Paolo Ornati
2005-12-28 17:23 ` Paolo Ornati
2005-12-28 17:39 ` Paolo Ornati
2005-12-30 13:52 ` [SCHED] wrong priority calc - SIMPLE test case Paolo Ornati
2005-12-31 2:06 ` Peter Williams
2005-12-31 10:34 ` Paolo Ornati
2005-12-31 10:52 ` Paolo Ornati
2005-12-31 11:12 ` Con Kolivas
2005-12-31 13:44 ` Peter Williams
2005-12-31 16:31 ` Paolo Ornati
2005-12-31 22:04 ` Peter Williams
2005-12-31 8:13 ` Mike Galbraith
2005-12-31 11:00 ` Paolo Ornati
2005-12-31 15:11 ` Paolo Ornati
2005-12-31 16:37 ` Mike Galbraith
2005-12-31 17:24 ` Paolo Ornati [this message]
2005-12-31 17:42 ` Paolo Ornati
2006-01-01 11:39 ` Paolo Ornati
2006-01-02 9:15 ` Mike Galbraith
2006-01-02 9:50 ` Paolo Ornati
2006-01-09 11:11 ` Mike Galbraith
2006-01-09 15:52 ` Mike Galbraith
2006-01-09 16:08 ` Con Kolivas
2006-01-09 18:14 ` Mike Galbraith
2006-01-09 20:00 ` Paolo Ornati
2006-01-09 20:23 ` Paolo Ornati
2006-01-10 7:08 ` Mike Galbraith
2006-01-10 12:07 ` Mike Galbraith
2006-01-10 12:56 ` Paolo Ornati
2006-01-10 13:01 ` Mike Galbraith
2006-01-10 13:53 ` Paolo Ornati
2006-01-10 15:18 ` Mike Galbraith
2006-01-13 1:13 ` Con Kolivas
2006-01-13 1:32 ` Con Kolivas
2006-01-13 10:46 ` Paolo Ornati
2006-01-13 10:51 ` Con Kolivas
2006-01-13 13:01 ` Mike Galbraith
2006-01-13 14:34 ` Con Kolivas
2006-01-13 16:15 ` Mike Galbraith
2006-01-14 2:05 ` Con Kolivas
2006-01-14 2:56 ` Mike Galbraith
2005-12-27 23:59 ` [SCHED] Totally WRONG prority calculation with specific test-case (since 2.6.10-bk12) Peter Williams
2005-12-28 10:20 ` Paolo Ornati
2005-12-28 13:38 ` Peter Williams
2005-12-28 19:45 ` Paolo Ornati
2005-12-29 3:13 ` Nick Piggin
2005-12-29 3:35 ` Peter Williams
2005-12-29 8:11 ` Nick Piggin
-- strict thread matches above, loose matches on Subject: below --
2006-01-27 16:57 [SCHED] wrong priority calc - SIMPLE test case Con Kolivas
2006-01-27 20:06 ` MIke Galbraith
2006-01-27 23:18 ` Con Kolivas
2006-01-28 0:01 ` Peter Williams
2006-01-28 3:43 ` MIke Galbraith
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