linux-kernel - Re: [PATCHSET 00/21] perf tools: Add support to accumulate hist periods (v9)

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Message-ID: <20140519151120.GE24333@sdfg.com.ar>
Date:	Mon, 19 May 2014 16:11:20 +0100
From:	Rodrigo Campos <rodrigo@...g.com.ar>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Olsa <jolsa@...hat.com>, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Andi Kleen <andi@...stfloor.org>, Arun Sharma <asharma@...com>
Subject: Re: [PATCHSET 00/21] perf tools: Add support to accumulate hist
 periods (v9)

On Thu, Mar 20, 2014 at 02:36:25PM +0900, Namhyung Kim wrote:
> Hello,
> 
> This is a new attempt to implement cumulative hist period report.
> This work begins from Arun's SORT_INCLUSIVE patch [1] but I completely
> rewrote it from scratch.
> 
> This version depends on my previous percentage patchset [2] and output
> field patchset[3].  So please test this again although there's not
> much change in the series itself.
> 
> This patchset basically adds period in a sample to every node in the
> callchain.  A hist_entry now has an additional fields to keep the
> cumulative period if --children option is given on perf report.
> 
> I changed the option as a separate --children and added a new
> "Children" column (and renamed the default "Overhead" column into
> "Self").  The output will be sorted by children (cumulative) overhead
> for now.  It also adds 'overhead_children' field to -F/--fields option
> to be selected by user and it'll show you "N/A" if the cumulation is
> not supported (due to missing callchain).


Is there something I can help to have this merged ? As far as I tested, this
works fine here. Or is this ok, just waiting on the "perf report: Add -F option for
specifying output fields" patchset ?






Thanks a lot,

Rodrigo
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