Messages in this thread | | | Date | Tue, 23 Mar 2010 11:10:08 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH] Enhance perf to collect KVM guest os statistics from host side |
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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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