linux-kernel - Re: [PATCH 3/3] ftrace: add debugfs entry 'failures'

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Message-ID: <20080610095835.GH27706@elte.hu>
Date:	Tue, 10 Jun 2008 11:58:35 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Abhishek Sagar <sagar.abhishek@...il.com>
Cc:	rostedt@...dmis.org, Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] ftrace: add debugfs entry 'failures'


* Abhishek Sagar <sagar.abhishek@...il.com> wrote:

> Identify functions which had their mcount call-site updates failed. 
> This can help us track functions which ftrace shouldn't fiddle with, 
> and are thus not being traced. If there is no race with any external 
> agent which is modifying the mcount call-site, then this file displays 
> no entries (normal case).

applied to tip/tracing/ftrace, thanks.

	Ingo
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