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From: Paolo Ornati <ornati@fastwebnet.it>
To: Paolo Ornati <ornati@fastwebnet.it>
Cc: Mike Galbraith <efault@gmx.de>,
	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 18:42:28 +0100	[thread overview]
Message-ID: <20051231184228.508ecd7b@localhost> (raw)
In-Reply-To: <20051231182440.56863dd3@localhost>

On Sat, 31 Dec 2005 18:24:40 +0100
Paolo Ornati <ornati@fastwebnet.it> wrote:

> 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.

Ok, just tried with Complete Preemption: I can easly reproduce the
problem.

For example:

"./a.out 1000 & ./a.out 1239"

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 5433 paolo     16   0  2396  324  252 R 50.3  0.1   0:34.67 a.out
 5434 paolo     16   0  2392  320  252 R 47.4  0.1   0:30.76 a.out
  265 root     -48  -5     0    0    0 S  0.6  0.0   0:00.68 IRQ 12
 5261 root      15   0  166m  16m 2844 S  0.6  3.3   0:04.81 X
 5349 paolo     15   0 86640  22m  15m S  0.6  4.5   0:01.36 konsole
 5344 paolo     15   0 98.8m  20m  12m S  0.3  4.1   0:01.64 kicker
 5444 paolo     18   0  4948 1520  412 R  0.3  0.3   0:00.05 dd

-- 
	Paolo Ornati
	Linux 2.6.15-rc7-rt1 on x86_64

  reply	other threads:[~2005-12-31 17:42 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
2005-12-31 17:42               ` Paolo Ornati [this message]
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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