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    SubjectRe: [PATCH] Enhance perf to collect KVM guest os statistics from host side
    Em Tue, Mar 23, 2010 at 02:49:01PM +0100, Andi Kleen escreveu:
    > Soeren Sandmann <sandmann@daimi.au.dk> writes:
    > > To fix that problem, it seems like we need some way to have python
    > > export what is going on. Maybe the same mechanism could be used to
    > > both access what is going on in qemu and python.
    >
    > oprofile already has an interface to let JITs export
    > information about the JITed code. C Python is not a JIT,
    > but presumably one of the python JITs could do it.
    >
    > http://oprofile.sourceforge.net/doc/devel/index.html
    >
    > I know it's not envogue anymore and you won't be a approved
    > cool kid if you do, but you could just use oprofile?

    perf also has supports for this and Pekka Enberg's jato uses it:

    http://penberg.blogspot.com/2009/06/jato-has-profiler.html

    - Arnaldo


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