linux-kernel - Re: perf-stat per thread results

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 13 May 2011 17:45:30 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Wim Heirman <wim@...rman.net>
Cc:	Ingo Molnar <mingo@...e.hu>, David Ahern <dsahern@...il.com>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Brice Goglin <Brice.Goglin@...ia.fr>
Subject: Re: perf-stat per thread results

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@...rman.net>

So that I can add when sending them to Ingo.

Thanks,

- Arnaldo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/