>On Tue, Mar 19, 2002 at 10:52:40AM +1100, Paul Mackerras wrote:
> > The G4 has 4 performance monitor counters that you can set up to
> > measure things like ITLB misses, DTLB misses, cycles spent doing
> > tablewalks for ITLB misses and DTLB misses, etc.
> > What I need to do now is
> > to put some better infrastructure for using those counters in place
> > and try your program using those counters instead of the timebase.
> Sounds like a good candidate for the first non-x86 port of oprofile.
> Write the kernel part, and all the nice userspace tools come for free.
> There are also a few other perfctr abstraction projects, which are
> linked off the oprofile pages somewhere iirc.
Maybe this is why drepper doesn't like threaded profiling... he wants us
all to use oprofile.
/me ducks and runs....
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