linux-kernel - Re: [PATCH V6 1/3] perf tool: Add sort key symoff for perf diff

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Date:	Mon, 1 Dec 2014 21:18:13 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	"Liang, Kan" <kan.liang@...el.com>
Cc:	"acme@...nel.org" <acme@...nel.org>,
	"namhyung@...nel.org" <namhyung@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>
Subject: Re: [PATCH V6 1/3] perf tool: Add sort key symoff for perf diff

On Mon, Dec 01, 2014 at 08:05:48PM +0000, Liang, Kan wrote:

SNIP

> >      0.05%           main+0x14c
> >      1.40%   -0.26%  main+0x155
> >      0.07%           main+0x158
> >      0.74%   -0.03%  main+0x15b
> >      1.06%   -0.17%  main+0x160
> >      0.31%   +0.30%  main+0x1a8
> >      1.82%   -0.51%  main+0x1af
> >      0.09%   +0.07%  main+0x1b1
> >      0.05%           main+0x1b4
> > 
> > could we add something like '-s symstr' to do only symbol string
> > comparison, so the previous output would gather in single line like:
> > 
> >      5.09%   +2.07%  main
> 
> Yes, we have a patch to do that.
> https://lkml.org/lkml/2014/11/21/367
> The default sort key "symbol" do symbols names comparison.
> 
> The symoff here is an extension in case anyone want to do deeper analysis.

cool, I just acked it

thanks,
jirka
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