linux-kernel - Re: [GIT PULL] perf fixes

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Date:	Tue, 25 Jan 2011 06:17:01 +1000
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] perf fixes

On Tue, Jan 25, 2011 at 6:07 AM, Ingo Molnar <mingo@...e.hu> wrote:
>>
>>     perf report -agf sleep 10
>
> (that's perf record i guess?)

Eh. Yes,

>> Is it just me?
>
> We used to have such bugs recently so i'm quite sure what you see is real.
>
> The above test is almost the same what i did before sending you the pull request, so
> it's not occuring all the time and on all boxes.

It only happens for me with "g". With "perf record -af sleep 10" it worked.

> The distro version on that box you are using would be helpful, plus the build output
> you get when you build 'tools/perf'. (I.e. which libraries are there. If it comes up
> empty with no complaints you have all the devel libraries.)

It's up-to-date Fedora 14 on x86-32.

And there's no build output at all, except for the trivial:

  [torvalds@...pc perf]$ make
  PERF_VERSION = 2.6.38.rc2.62.gec30f3.dirty
      GEN common-cmds.h
      * new build flags or prefix
      CC perf.o
      CC builtin-annotate.o
      CC builtin-bench.o
      ...

so I have everything installed.

                    Linus
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