[global] ioengine=spdk_bdev spdk_json_conf=/config spdk_single_seg=1 spdk_mem=1024 thread=1 direct=1 rw=randread ramp_time=0 norandommap=1 time_based=1 bs=4k numjobs=1 runtime=10 [filename0] filename=VirtioBlk0 iodepth=128