linux-kernel - Re: State of "perf: Add a new sort order: SORT

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Message-ID: <877gcx92yd.fsf@sejong.aot.lge.com>
Date:	Mon, 28 Oct 2013 18:09:30 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Rodrigo Campos <rodrigo@...g.com.ar>
Cc:	namhyung.kim@....com, linux-kernel@...r.kernel.org,
	acme@...stprotocols.net, asharma@...com, fweisbec@...il.com
Subject: Re: State of "perf: Add a new sort order: SORT_INCLUSIVE"

On Mon, 28 Oct 2013 08:42:44 +0000, Rodrigo Campos wrote:
> On Mon, Oct 28, 2013 at 02:09:49PM +0900, Namhyung Kim wrote:
>> Anyway, You can find the series and discussion on the link below:
>> 
>>   https://lkml.org/lkml/2012/9/13/81
>
> I've read the cover letter for that series and probably because I don't know
> about perf internals I have a question: How will "--culumate" interact with
> "--sort=dso" for example ?
>
> I mean, is it possible for that to show more than 100% ? (if you add all the
> 93.35% in your example in the cover letter, or something similar). Or
> "--culumate --sort=dso" will just group together all entries that have a dso in
> the call chain ?

Hmm.. I think --cumulate option is only meaningful when sort order
includes symbol.  Maybe I can add support for --sort=dso case as well
but not sure it's worth.  Do you think it's really needed?

>
> Sorry if the question was too obvious if I knew about perf internals :S

No need to sorry about it. :)

Thanks,
Namhyung
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