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Date: Wed, 12 May 2010 21:59:49 +0200
From: Frederic Weisbecker <fweisbec@gmail.com>
To: Taras Glek <tglek@mozilla.com>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: How to use perf to log page faults
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On Wed, May 12, 2010 at 12:38:30PM -0700, Taras Glek wrote:
> Hi,
> From the docs it seems that perf may be useful for logging page faults.  
> I tried
> perf record -g -d -f -e page-faults <mycommand>
> but all I got were PERF_RECORD_MMAP events.
>
> I'm using 2.6.32. Ideally I'd like to collect fault addresses and  
> userspace stacks that caused them. Isn't this what the page-fault event  
> is for?
>
> Taras


Could you try with -c 1 ?

Otherwise, does that work on the latest kernel?

Thanks.