Hi,
I am interested in measuring per-core remote read memory bandwidth on an
Intel Nehalem machine using libpfm4.
I think the only way to do it is using the OFFCORE_RESPONSE_0 event. Looking
at the source code of libpfm4: intel_nhm_events.h, the event is commented
out. The encoder for the function pfm_nhm_offcore_encode in file
./pfmlib_intel_nhm.c has also been commented out. Seems it is not supported
yet.
Is this a limitation of libpfm4 or perf_events?
Is anyone working on adding support for OFFCORE_RESPONSE_0 to libpfm4?
Ankush
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