Date: Mon, 10 Mar 2008 10:46:28 -0700
From: Randy Dunlap <randy.dunlap@oracle.com>
To: Rik van Riel <riel@redhat.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
       lwoodman@redhat.com
Subject: Re: [PATCH] sysrq show-all-cpus
Message-Id: <20080310104628.b70af419.randy.dunlap@oracle.com>
In-Reply-To: <20080310133242.0ab69084@bree.surriel.com>
References: <20080310133242.0ab69084@bree.surriel.com>
Organization: Oracle Linux Eng.
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On Mon, 10 Mar 2008 13:32:42 -0400 Rik van Riel wrote:

> SysRQ-P is not always useful on SMP systems, since it usually ends up showing the
> backtrace of a CPU that is doing just fine, instead of the backtrace of the CPU
> that is having problems.
> 
> This patch adds SysRQ show-all-cpus(L), which shows the backtrace of every active
> CPU in the system.  It skips idle CPUs because some SMP systems are just too large
> and we already know what the backtrace of the idle task looks like.
> 
> Signed-off-by: Rik van Riel <riel@redhat.com>

Hi,
Please update Documentation/sysrq.txt also.

---
~Randy
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