linux-kernel - Re: [PATCH 1/2] tracing,mm - add kernel pagefault tracepoint for x86 & x86

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Message-ID: <20101110152001.GA5707@infradead.org>
Date:	Wed, 10 Nov 2010 10:20:02 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Christoph Hellwig <hch@...radead.org>, rostedt@...dmis.org,
	andi@...stfloor.org, lwoodman@...hat.com,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 1/2] tracing,mm - add kernel pagefault tracepoint for x86
 & x86_64

On Wed, Nov 10, 2010 at 04:17:50PM +0100, Jiri Olsa wrote:
> I guess I can take the regs out then.. would that patch be acceptable
> afterwards..?

I really can't make much sense out of this whole trace point.  What
use it the task_struct address for example?

What would be much more interesting is telling us if we had a
major/minor fault, if ->page_mkwrite was called, etc.
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