From: Ian Munsie <imunsie@au1.ibm.com>
To: Alexander Graf <agraf@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>,
LKML Mailing List <linux-kernel@vger.kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>,
ppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: perf top broken on ppc64
Date: Wed, 21 Apr 2010 15:29:19 +1000 [thread overview]
Message-ID: <1271827490-sup-48@au1.ibm.com> (raw)
In-Reply-To: <594EC076-62C6-473D-9AF2-47AEE4B57ED3@suse.de>
Excerpts from Alexander Graf's message of Wed Apr 21 09:21:36 +1000 2010:
> Hi,
>
> While trying to find out performance bottlenecks in KVM for PowerPC I
> figured I'd try and use "perf top" to see what's going on in the
> system. This works great on my G4, but doesn't on the Powerstation
> (970MP).
>
> The only weird thing I can imagine about this setup is that I'm
> running 32 bit userland on a 64 bit kernel. So I went ahead and
> compiled perf for ppc64 - without any change:
I'm using 32 bit userland and 64 bit kernel on a PowerPC box and it's working for me.
Are you building perf from the tip tree?
Cheers,
-Ian
next prev parent reply other threads:[~2010-04-21 5:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-20 23:21 perf top broken on ppc64 Alexander Graf
2010-04-21 5:29 ` Ian Munsie [this message]
2010-04-21 9:29 ` Alexander Graf
2010-04-27 1:30 ` Ian Munsie
2010-04-27 7:39 ` Alexander Graf
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