Hi,
During the tuning of my system, I was using pmc(3) to get various
counters. Most important was the number of retired instructions, which
helped me to discover some bottlenecks. However, I now need to get L2
cache misses, which I do by running:
sudo pmcstat -S L2_LD -O /tmp/sample.out
and then run my module with its workload.
At the end, I have the output in /tmp/sample.out. However, I don't
know how to get that data to anything useful, as gprof output is not
very meaningful.
Any thoughts, hints, best practices?
Cheers,
Nikola
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