linux-kernel - Re: [PATCH] perf report: Add a simple GTK2-based 'perf report' browser

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Date:	Thu, 23 Feb 2012 14:47:39 -0200
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Pekka Enberg <penberg@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] perf report: Add a simple GTK2-based 'perf report'
 browser

Em Thu, Feb 23, 2012 at 06:45:04PM +0200, Pekka Enberg escreveu:
> On Thu, 2012-02-23 at 14:39 -0200, Arnaldo Carvalho de Melo wrote:
> > > Dunno, probably. Does that matter, though? It's pretty damn fast as-is.
> > 
> > Well, what kinds of perf.data file are you feeding it?
> 
> It's a real-world case where I'm profiling JRuby startup under Jato with
> perf:
> 
> penberg@...uar:~/src/jato$ ls -lh perf.data 
> -rw------- 1 penberg penberg 453K 2012-02-23 18:06 perf.data
> 
> On Thu, 2012-02-23 at 14:39 -0200, Arnaldo Carvalho de Melo wrote:
> > I'm testing it now with large ones, lets see.
> 
> How big files are we talking about here?

5 MB ones, say.

But the way you did it is pretty minimalistic, which is good, its just
that I don't really like the idea of having two mirror data structures
representing the report lines.

- Arnaldo
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