From: Andrew Morton <akpm@linux-foundation.org>
To: Ravikiran G Thirumalai <kiran@scalex86.org>
Cc: linux-kernel@vger.kernel.org, shai@scalex86.org
Subject: Re: [patch] Change softlockup trigger limit using a kernel parameter
Date: Wed, 18 Jul 2007 16:08:58 -0700 [thread overview]
Message-ID: <20070718160858.75865461.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070716222650.GA5947@localdomain>
On Mon, 16 Jul 2007 15:26:50 -0700
Ravikiran G Thirumalai <kiran@scalex86.org> wrote:
> Kernel warns of softlockups if the softlockup thread is not able to run
> on a CPU for 10s. It is useful to lower the softlockup warning
> threshold in testing environments to catch potential lockups early.
> Following patch adds a kernel parameter 'softlockup_lim' to control
> the softlockup threshold.
>
Why not make it tunable at runtime?
>
> Control the trigger limit for softlockup warnings. This is useful for
> debugging softlockups, by lowering the softlockup_lim to identify
> possible softlockups earlier.
Please check your patches with scripts/checkpatch.pl.
next prev parent reply other threads:[~2007-07-18 23:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-16 22:26 [patch] Change softlockup trigger limit using a kernel parameter Ravikiran G Thirumalai
2007-07-18 23:08 ` Andrew Morton [this message]
2007-07-19 5:41 ` Ravikiran G Thirumalai
2007-07-19 6:09 ` Andrew Morton
2007-07-19 9:11 ` Ingo Molnar
2007-07-19 18:31 ` Ravikiran G Thirumalai
2007-07-19 18:45 ` Ingo Molnar
2007-07-19 18:51 ` Jeremy Fitzhardinge
2007-07-20 3:12 ` Ravikiran G Thirumalai
2007-07-20 5:27 ` Ravikiran G Thirumalai
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