[fedora-java] Re: Oprofiling Eclipse CVS checkout
Andrew Haley
aph at redhat.com
Thu May 19 09:58:18 UTC 2005
Tom Tromey writes:
> Andrew> Thanks for everyone's suggestions. I've been running into the
> Andrew> CVS slowdown issue while preparing our talks for GUADEC so I
> Andrew> spent a bit more time profiling this afternoon. I've got two
> Andrew> reports (from two independent runs of checking out gnu-crypto)
> Andrew> that are pretty similar. I've attached bzipped versions of
> Andrew> them.
>
> These look a bit weird, e.g.:
>
> 5384 7.8072 libgcj.so.6.0.0 java::lang::Compiler::Compiler()
> 5358 7.7695 libgcj.so.6.0.0 __do_global_ctors_aux
>
> But Compiler's constructor is private and, afaik, never called.
> And __do_global_ctors_aux should barely show up, I think.
>
>
> Anthony ran into some problem where oprofile was finding the wrong
> symbols. He upgraded and this was fixed. I don't know what versions
> are affected.
OK, so I'm not going to investigate this further.
FWIW, my oprofile results have been accurate AFAICS. Oh, and Will
Cohen is extremely helpful -- we should use him if we have oprofile
problems.
Andrew.
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