linux-kernel - Re: [PATCH] ftrace: fix "notrace" filtering priority

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Message-ID: <20080614063302.GB24188@elte.hu>
Date:	Sat, 14 Jun 2008 08:33:02 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Abhishek Sagar <sagar.abhishek@...il.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ftrace: fix "notrace" filtering priority


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

> Hi Steven,
> 
> This is a fix to give notrace filter rules priority over 
> "set_ftrace_filter" rules. This way functions set to be filtered and 
> also in the notrace list will not get traced.
> 
> This fix ensures that functions which are set to be filetered and are 
> concurrently marked as "notrace" don't get recorded. As of now, if a 
> record is marked as FTRACE_FL_FILTER and is enabled, then the notrace 
> flag is not checked. Tested on x86-32.

applied to tip/tracing/ftrace - thanks Abhishek.

	Ingo
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