SHORT Rate of useful instructions EVENTSET PMC0 PM_RUN_SPURR PMC1 PM_INST_DISP PMC3 PM_RUN_PURR PMC4 PM_RUN_INST_CMPL PMC5 PM_RUN_CYC METRICS CPI PMC5/PMC4 Useful instr. rate [%] (PMC4/PMC1)*100.0 Processor Utilization [%] (PMC0/PMC3)*100.0 LONG Formulas: Useful instr. rate [%] = (PM_RUN_INST_CMPL/PM_INST_DISP)*100 Processor Utilization [%] = (PM_RUN_SPURR/PM_RUN_PURR)*100 -- This performance group shows the overhead of speculative execution of instructions and the processor utilization.