[global] ioengine=cpuio time_based runtime=15 # The following example load 2 cores at 50% with the noop (default) mode [burn_2x50_noop] cpuload=50 numjobs=2 cpumode=noop # Once burn_2x50_noop is over, # fio load 2 cores at 50% with the qsort mode which drains much more power [burn_2x50%_qsort] stonewall cpuload=50 numjobs=2 cpumode=qsort