root@disk-test-0:/# fio –section=test2 jobs.fio test2: (g=0): rw=write, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=1 fio-3.12 Starting 1 thread Jobs: 1 (f=1): [W(1)][100.0%][w=121MiB/s][w=31.0k IOPS][eta 00m:00s] test2: (groupid=0, jobs=1): err= 0: pid=1292: Wed Feb 27 17:09:56 2019 write: IOPS=49.0k, BW=191MiB/s (201MB/s)(10.0GiB/53488msec); 0 zone resets slat (nsec): min=1900, max=2093.3M, avg=17262.35, stdev=1349544.91 clat (nsec): min=600, max=2069.0k, avg=809.02, stdev=2566.21 lat (usec): min=3, max=2093.3k, avg=18.50, stdev=1349.60 clat percentiles (nsec): | 1.00th=[ 604], 5.00th=[ 604], 10.00th=[ 700], 20.00th=[ 700], | 30.00th=[ 700], 40.00th=[ 700], 50.00th=[ 700], 60.00th=[ 700], | 70.00th=[ 804], 80.00th=[ 804], 90.00th=[ 804], 95.00th=[ 804], | 99.00th=[ 1304], 99.50th=[ 2008], 99.90th=[15552], 99.95th=[28288], | 99.99th=[58624] bw ( KiB/s): min=26912, max=716872, per=100.00%, avg=208516.96, stdev=180253.06, samples=100 iops : min= 6728, max=179218, avg=52129.25, stdev=45063.25, samples=100 lat (nsec) : 750=60.68%, 1000=37.83% lat (usec) : 2=0.97%, 4=0.17%, 10=0.04%, 20=0.23%, 50=0.07% lat (usec) : 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01% lat (msec) : 4=0.01% cpu : usr=6.47%, sys=25.22%, ctx=3357, majf=0, minf=1 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=0,2621440,0,0 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): WRITE: bw=191MiB/s (201MB/s), 191MiB/s-191MiB/s (201MB/s-201MB/s), io=10.0GiB (10.7GB), run=53488-53488msec

Disk stats (read/write): sdc: ios=0/11720, merge=0/1, ticks=0/47240504, in_queue=49423376, util=90.07%