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#403
nanasi
Participant

I think event BR_RETIRED is not implemented.
Resister PMCEID1_EL0 is always zero.
AArch64 Performance Monitors registers

$ perf stat -e task-clock,cycles,instructions,branch-misses,armv8_cortex_a72/inst_retired/,armv8_cortex_a72/br_retired/,armv8_cortex_a72/br_mis_pred/ -- sleep 0

 Performance counter stats for 'sleep 0':

          7.109840      task-clock (msec)         #    0.652 CPUs utilized
            699200      cycles                    #    0.098 GHz
            491727      instructions              #    0.70  insns per cycle
              8059      branch-misses             #    1.133 M/sec
            491727      armv8_cortex_a72/inst_retired/ #   69.161 M/sec
                 0      armv8_cortex_a72/br_retired/ #    0.000 K/sec
              8059      armv8_cortex_a72/br_mis_pred/ #    1.133 M/sec

       0.010912797 seconds time elapsed

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