Re: perf-stat per thread results

[Arnaldo Carvalho de Melo <acme@redhat.com>]

Em Fri, May 13, 2011 at 10:32:58PM +0200, Wim Heirman escreveu:
> > It's supposed to do that if --stat is specified, and it used to work - see this
> > commit:

> >  8d51327090ac: perf report: Fix and improve the displaying of per-thread event counters

> > and the output there:
> >
> >     #  PID   TID  cache-misses  cache-references
> >       4658  4659        495581           3238779
> >       4658  4662        498246           3236823
> >       4658  4663        499531           3243162

> > which appears to be roughly what Wim is asking for, AFAICT.

> Thanks, this is exactly what I'm looking for. In 2.6.32 (Ubuntu 10.04)
> it works, although if I use --pid rather than the -- <command> variant
> the first thread seams to be missing. In 2.6.38 (Ubuntu 11.04) the
> first thread is missing in both use cases, and I get one column per
> processor (which in itself is fine).

Can you try after applying the patches in this message:

http://marc.info/?l=linux-kernel&m=130385067430510&w=2

and report your results?

If it fixes the problems you're experiencing, please provide a:

Tested-by: Wim Heirman <wim@heirman.net>

So that I can add when sending them to Ingo.

Thanks,

- Arnaldo