linux-kernel - Re: [BUG] perf timechart segfault

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Message-ID: <20131002161239.GM2920@ghostprotocols.net>
Date:	Wed, 2 Oct 2013 13:12:39 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Ramkumar Ramachandra <artagnon@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [BUG] perf timechart segfault

Em Wed, Oct 02, 2013 at 01:59:36PM +0200, Jiri Olsa escreveu:
> On Wed, Oct 02, 2013 at 05:03:48PM +0530, Ramkumar Ramachandra wrote:
> > Jiri Olsa wrote:
> > > what perf version are you running?

> > I'm running off the one in torvalds/linux.git.

> > $ perf --version
> > perf version 3.12.rc3.g34b22d5

> > The log of builtin-timechart.c shows that it was last touched by you
> > three months ago: 5936678 (perf timechart: Remove event types
> > framework only user, 2013-07-11). Are there some patches awaiting
> > merge that I'm missing?

> looks like you're missing this one:
> (git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux perf/core)

> perf tools: Add default handler for mmap2 events
> commit e0e3e2d9a522b2230d395922fde9c6ea928ae7f8
> Author: David Ahern <dsahern@...il.com>
> Date:   Sun Sep 22 19:44:59 2013 -0600
> 
> Not sure if this one plus some other MMAP2 David's fixies

The other is already in -rc:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/tools/perf/builtin-trace.c?id=384c671e33a7ddf905f2c60b433b9883f0e5a605

> are on its way up, but if not I guess Arnaldo's planning
> to push them out eventually ;-)

I thought this one wouldn't be needed for perf/urgent, but it is,
just cherry picked it there, will push.

- Arnaldo
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