Re: [GIT PULL] perf changes for v3.8
[Posted December 19, 2012 by jake]
From: |
| Linus Torvalds <torvalds-AT-linux-foundation.org> |
To: |
| David Ahern <dsahern-AT-gmail.com> |
Subject: |
| Re: [GIT PULL] perf changes for v3.8 |
Date: |
| Wed, 12 Dec 2012 19:34:26 -0800 |
Message-ID: |
| <CA+55aFxpLJ=gVUSiu04sTzDDrR75B89pzE35MyEyj3pVi5UbiQ@mail.gmail.com> |
Cc: |
| Ingo Molnar <mingo-AT-kernel.org>,
Linux Kernel Mailing List <linux-kernel-AT-vger.kernel.org>,
Arnaldo Carvalho de Melo <acme-AT-infradead.org>,
Peter Zijlstra <a.p.zijlstra-AT-chello.nl>,
Thomas Gleixner <tglx-AT-linutronix.de>,
Andrew Morton <akpm-AT-linux-foundation.org> |
Archive‑link: | |
Article |
On Wed, Dec 12, 2012 at 7:25 PM, David Ahern <dsahern@gmail.com> wrote:
>
> Are you running an older perf binary on the 3.8 kernel?
I am.. I don't tend to rebuild 'perf'..
> Does this work: perf record -e cycles:ppH ...
Yes it does. What is 'H' and why should anybody care? Especially since
I'm not running virtualized.
That whole "exclude_guest" test is insane when there isn't any
virtualization going on. Very annoying.
Linus