linux-kernel - Re: [RFC/PATCHSET 00/18] perf report: Add support to accumulate hist periods (v3)

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Message-ID: <52B7FF61.2090908@fb.com>
Date:	Mon, 23 Dec 2013 14:46:17 +0530
From:	Arun Sharma <asharma@...com>
To:	Namhyung Kim <namhyung@...nel.org>
CC:	Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Rodrigo Campos <rodrigo@...g.com.ar>
Subject: Re: [RFC/PATCHSET 00/18] perf report: Add support to accumulate hist
 periods (v3)

On 12/18/13 8:09 PM, Namhyung Kim wrote:
> Hi Arun,
>
> 2013-12-18 (수), 16:08 +0530, Arun Sharma:
>> On 12/18/13 3:16 PM, Ingo Molnar wrote:
>>
>>> My main complaint that any variation of 'cumulative' or 'cumulate' is
>>> a tongue-twister to users. I certainly won't be able to remember it
>>> and will have to call up the manpage every time I use it - which will
>>> be very annoying. I'd probably not use the feature much.
>>
>> I can remember it, mainly because it's such an unusual word :)
>> Agree that we could use something simpler/easier to remember.
>>
>> My other user space projects have been keeping me busy. But still very
>> interested in this feature. Will test this patch series over the holidays.
>
> Thanks in advance for your test and feedback! :)

Looks great! One of the features I'm missing compared to my earlier 
--sort inclusive series of patches is that, in the --children mode, I'd 
still like to see callchains (at least in --tui). Looks like --children 
and -G -s pid can't be used together in this implementation.

  -Arun

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