linux-kernel - Re: perf.data file format specification draft

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Message-ID: <20150514131129.GE23588@kernel.org>
Date:	Thu, 14 May 2015 10:11:29 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	eranian@...gle.com, jolsa@...nel.org, namhyung@...nel.org,
	rostedt@...dmis.org, adrian.hunter@...el.com,
	mathieu.desnoyers@...icios.com, linux-kernel@...r.kernel.org,
	peterz@...radead.org, vincent.weaver@...ne.edu
Subject: Re: perf.data file format specification draft

Em Thu, May 14, 2015 at 02:25:17PM +0200, Andi Kleen escreveu:
> Hi,
> 
> Since there are more and more consumers I started a description of the
> on-disk perf.data format. This does not replace the kernel perf event
> description or the manpage, but describes the parts that perf record
> adds.
> 
> So far it is still has some gaps and needs review. Eventually this should
> become part of the perf documentation.
> 
> Steven, would be good if you could fill in some details on how trace
> data works. 

I guess that would be Frédéric, and also I think this is a good
opportunity to remove some stuff that seem to be collected but unused,
namely a kallsyms copy and maybe something else.

> Adrian, would be good if you could fill in the missing bits for
> auxtrace/itrace.
> Everyone else, please review and add missing information.

Thanks for doing this work!

IIRC there is a presentation written by Jiri where parts of this is
documented, lemme try to find it...

- Arnaldo
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