tsteine@san:/SAN$ fio --max-jobs=1 --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=1 --size=4G --readwrite=randread
test: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=1
fio-3.16
Starting 1 process
Jobs: 1 (f=1): [r(1)][100.0%][r=874MiB/s][r=224k IOPS][eta 00m:00s]
test: (groupid=0, jobs=1): err= 0: pid=2144248: Wed May 20 18:37:58 2020
read: IOPS=226k, BW=884MiB/s (927MB/s)(4096MiB/4631msec)
bw ( KiB/s): min=888502, max=929584, per=99.74%, avg=903370.22, stdev=13424.85, samples=9
iops : min=222125, max=232396, avg=225842.44, stdev=3356.17, samples=9
cpu : usr=15.44%, sys=84.54%, ctx=8, majf=0, minf=9
IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
issued rwts: total=1048576,0,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=1
Run status group 0 (all jobs):
READ: bw=884MiB/s (927MB/s), 884MiB/s-884MiB/s (927MB/s-927MB/s), io=4096MiB (4295MB), run=4631-4631msec