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

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Date:	Wed, 8 Apr 2009 12:37:48 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Ingo Molnar <mingo@...e.hu>
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



On Wed, 8 Apr 2009, Ingo Molnar wrote:

> 
> (replying to old mail - working down my awful email backlog)
> 
> 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.

-- Steve

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