linux-kernel - ksoftirqd accounting broken in 2.6.27-rc9

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Message-ID: <20081008173757.GA24560@one.firstfloor.org>
Date:	Wed, 8 Oct 2008 19:37:57 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	linux-kernel@...r.kernel.org
Subject: ksoftirqd accounting broken in 2.6.27-rc9

On one test box running 2.6.27rc9 for a few hours I got:

  PID TTY      STAT   TIME COMMAND
    1 ?        Ss     0:01 init [3]  
    2 ?        S<     0:00 [kthreadd]
    3 ?        S<     0:00 [migration/0]
    4 ?        S<     0:00 [ksoftirqd/0]
    5 ?        S<     0:00 [watchdog/0]
    6 ?        S<     0:00 [migration/1]
    7 ?        S<     0:00 [ksoftirqd/1]
    8 ?        S<     0:00 [watchdog/1]
    9 ?        S<     0:00 [migration/2]
   10 ?        S<   21133795:38 [ksoftirqd/2]
...
   19 ?        S<   21133795:38 [ksoftirqd/5]
...
   25 ?        S<   21133795:38 [ksoftirqd/7]

The other kernel threads seem to have correct accounting.

-Andi


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ak@...ux.intel.com
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