1; Randomly read/write a block device file at queue depth 16. 2; 40 % of read IOs are 64kB and 60% are 1MB. 100% of writes are 1MB. 3; 100% of the 64kB reads are executed at the highest priority and 4; all other IOs executed without a priority set. 5[global] 6filename=/dev/sda 7direct=1 8write_lat_log=prio-run.log 9log_prio=1 10 11[randrw] 12rw=randrw 13bssplit=64k/40:1024k/60,1024k/100 14ioengine=libaio 15iodepth=16 16cmdprio_bssplit=64k/100:1024k/0,1024k/0 17cmdprio_class=1 18