linux-kernel - Re: [PATCH][GIT PULL] x86, function-graph: only save return values on x86

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Message-ID: <20090408164118.GC14449@elte.hu>
Date:	Wed, 8 Apr 2009 18:41:18 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux kernel <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Tim Bird <tim.bird@...sony.com>,
	Ingo Molnar <mingo@...hat.com>,
	Abhishek Sagar <sagar.abhishek@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH][GIT PULL] x86, function-graph: only save return values
	on x86_64


* Steven Rostedt <rostedt@...dmis.org> wrote:

> > do we still need this for -tip?
> 
> I've ran it without issues. It will help speed up the function 
> graph tracer since it removes a bunch of copies at every function 
> call. But I would test it in your work suite, since I only tested 
> it on two boxes.

ok, great - i've applied it to tip:tracing/ftrace.

	Ingo
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