Messages in this thread | | | Date | Thu, 14 May 2015 10:13:21 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: perf.data file format specification draft |
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Em Thu, May 14, 2015 at 10:11:29AM -0300, Arnaldo Carvalho de Melo escreveu: > 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...
http://tracingsummit.org/w/images/9/98/TracingSummit2014-Perf-CTF.pdf
Look from page 16 on.
- Arnaldo
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