linux-kernel - Re: [PATCH 3/5] perf diff: Print diff result more precisely

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Message-ID: <20150104164754.GD22707@krava.brq.redhat.com>
Date:	Sun, 4 Jan 2015 17:47:54 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 3/5] perf diff: Print diff result more precisely

On Sat, Dec 27, 2014 at 02:06:31PM +0900, Namhyung Kim wrote:
> Current perf diff result is somewhat confusing since it sometimes hide
> small result and sometimes there's no result.  So do not hide small
> result (less than 0.01%) and print "N/A" if baseline is not
> recorded (for ratio and wdiff only).  Blank means the baseline is
> available but its pairs are not.

I think we should document this, especialy when diff has different
behaviour from the rest of the computation.. :-\

anyway for the change itself:

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka
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