Messages in this thread | | | Subject | Re: perf top broken on ppc64 | From | Alexander Graf <> | Date | Wed, 21 Apr 2010 11:29:44 +0200 |
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On 21.04.2010, at 07:29, Ian Munsie wrote:
> 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?
I'm using kvm.git which is pretty close to tip. The version says something 2.6.34-rc3'ish. Has anything significantly changed since then?
Either way - I'll give it a try.
Alex
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