[ { "ArchStdEvent": "CPU_CYCLES", "PublicDescription": "Counts CPU clock cycles (not timer cycles). The clock measured by this event is defined as the physical clock driving the CPU logic." }, { "ArchStdEvent": "CNT_CYCLES", "PublicDescription": "Increments at a constant frequency equal to the rate of increment of the System Counter, CNTPCT_EL0." } ]