Ivy Bridge -EP server PMU (Performance Monitoring Unit) support
Issue
- Few of the
Hardware cache eventare not supported while running perf command.
/usr/bin/perf stat -a -e cpu-clock,LLC-loads sleep 3
Performance counter stats for 'sleep 3':
143842.779008 cpu-clock
<not supported> LLC-loads <=======
3.001097479 seconds time elapsed
Environment
- Red Hat Enterprise Linux 6.4
- Intel(R) Xeon(R) CPU E5-2695
- Ivy bridge/i7 processor
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