linux-kernel - Re: [PATCH] x86: add the debugfs interface for the sysprof tool

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Message-Id: <1203531375.6243.52.camel@lappy>
Date:	Wed, 20 Feb 2008 19:16:15 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, sandmann@...hat.com,
	tglx@...x.de, hpa@...or.com
Subject: Re: [PATCH] x86: add the debugfs interface for the sysprof tool


On Tue, 2008-02-19 at 12:37 -0800, Arjan van de Ven wrote:
> From: Soren Sandmann <sandmann@...hat.com>
> Subject: [PATCH] x86: add the debugfs interface for the sysprof tool
> 
> The sysprof tool is a very easy to use GUI tool to find out where
> userspace is spending CPU time. See
> http://www.daimi.au.dk/~sandmann/sysprof/
> for more information and screenshots on this tool.
> 
> Sysprof needs a 200 line kernel module to do it's work, this
> module puts some simple profiling data into debugfs.

What is the added value over oprofile?

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