Ivy Bridge -EP server PMU (Performance Monitoring Unit) support

Solution Verified - Updated -

Issue

  • Few of the Hardware cache event are 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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