linux-kernel - Re: [PATCH 5/5] ftrace: add cpu annotation for function graph tracer

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Message-Id: <20081125215528.eff18969.akpm@linux-foundation.org>
Date:	Tue, 25 Nov 2008 21:55:28 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	containers@...ts.osdl.org,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	"Serge E. Hallyn" <serue@...ibm.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [PATCH 5/5] ftrace: add cpu annotation for function graph
 tracer

On Wed, 26 Nov 2008 06:47:28 +0100 Ingo Molnar <mingo@...e.hu> wrote:

> 
> * Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> > On Wed, 26 Nov 2008 00:16:27 -0500 Steven Rostedt <rostedt@...dmis.org> wrote:
> > 
> > > This patch adds the annotation of 'CPU[###]' where ### is a three 
> > > digit number
> > 
> > Is this a plot to get yourself sent a 1024-way test box?
> 
> So you are suggesting to change it to 4 digit printout?

Not really.  I somehow doubt that it's economic to do your software tuning
on the 1024-way ;)

> (Is this a plot to get yourself snt a 16384-way test box? ;-)

I'd settle for 1.6384 testers.
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