linux-kernel - Re: [PATCH 3/3] perf report: Add --show-time-info option

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Message-ID: <20131202193850.GC17149@ghostprotocols.net>
Date:	Mon, 2 Dec 2013 16:38:50 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	David Ahern <dsahern@...il.com>
Cc:	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <andi@...stfloor.org>,
	Pekka Enberg <penberg@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 3/3] perf report: Add --show-time-info option

Em Mon, Dec 02, 2013 at 12:25:26PM -0700, David Ahern escreveu:
> On 12/2/13, 12:23 PM, Arnaldo Carvalho de Melo wrote:
> >Em Mon, Dec 02, 2013 at 11:38:20PM +0900, Namhyung Kim escreveu:
> >>2013-12-02 (월), 09:33 -0300, Arnaldo Carvalho de Melo:
> >>>Em Mon, Dec 02, 2013 at 03:53:19PM +0900, Namhyung Kim escreveu:
> >>>>From: Namhyung Kim <namhyung.kim@....com>

> >>>>The --show-time-info option is for displaying elapsed sampling time

> >>>Isn't that too long? Can't we use just --time/-t?

> >>Hmm.. interesting.  Your previous feedback was to use longer and clearer
> >>option name. :)

> >>https://lkml.org/lkml/2013/11/18/198

> >Hey, longer and more descriptive names _when required_, in that case I
> >thought that even being longer --show-task-events would be better, but
> >here using --show-time-info the 'info' part looks superfluous, at least
> >to me, hence my suggestion/question :-)

> I thought -t/--time is going to be used to specify a time interval?
> Collect data for N-seconds, analyze some middle M-seconds.

Can you suggest a better name for the option being discussed?

Perhaps one of:

--show-event-time
--event-time

?

As a policy I think we should go on adding just long options and only
after there is a really strong case we should use a short option for
really, really popular options.

- Arnaldo
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