Re: [Gems-users] counting number of hits and misses

[Mike Marty <mikem@xxxxxxxxxxx>]

> I thought the per processor L2 misses are already printed, at least for the
> protocols that I am using.
> "misses_per_thousand_instructions: " has a total number, as well as, per
> processor number.
>

For MSI_MOSI_CMP_directory, that is correct!

--Mike



> Here is the part from MSI_MOSI_CMP_directory-L2cache.sm that is profiling.
> It passes processor number as the node id.
> ------------------
>       profile_L2Cache_miss(convertToGenericType(in_msg.Type),
> in_msg.AccessMode, MessageSizeTypeToInt(in_msg.MessageSize), i\
> n_msg.Prefetch, L1CacheMachIDToProcessorNum(in_msg.RequestorMachId));
> ------------------
>
> Please correct me if I am missing something.
>
> Thanks.
> --
> Nauman
>
>
> Quoting "Min Xu (Hsu)" <xu@xxxxxxxxxxx>:
>
> > Yes, Mike is right, thanks for correcting me. :-)
> >
> > On Sun, 12 Mar 2006 Mike Marty wrote :
> > > > I think it is in the CacheMemory.h, but not 100%
> > > > Try search the string that is printed when you call ruby0.dumpstats
> > > > (or it could be ruby0.dump_stats).
> > > >
> > >
> > > To profile L2 misses in a CMP protocol, the Slicc controller makes calls
> > > to the profiler (ruby/profiler/Profiler.C).
> > >
> > > For example, in the MSI_MOSI_CMP_directory-L2cache.sm file, the
> > > uu_profileMiss action is called on every L2 miss.  This in turn will
> > > invoke an indirection through
> > > ruby/slicc_interface/RubySlicc_Profiler_interface.C to call the
> > > Profiler::addSecondaryStatSample() function.  Here you can add the
> > > requestor ID.
> > >
> > > I don't believe the other CMP protocols currently call these functions on
> > > a miss, but it would be straightforward to add (and should have been there
> > > in the first place if missing).
> > >
> > > --Mike
> > >
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