mytest: (g=0): rw=read, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=libaio, iodepth=1 fio-3.35 Starting 1 process mytest: (groupid=0, jobs=1): err= 0: pid=4161: Thu Sep 7 10:11:54 2023 read: IOPS=70.3k, BW=1099MiB/s (1152MB/s)(21.5GiB/20017msec) slat (nsec): min=1711, max=4743.3k, avg=11843.63, stdev=51772.47 clat (nsec): min=520, max=11605, avg=587.77, stdev=245.67 lat (usec): min=2, max=4746, avg=12.43, stdev=51.81 clat percentiles (nsec): | 1.00th=[ 532], 5.00th=[ 540], 10.00th=[ 540], 20.00th=[ 540], | 30.00th=[ 540], 40.00th=[ 548], 50.00th=[ 548], 60.00th=[ 548], | 70.00th=[ 548], 80.00th=[ 564], 90.00th=[ 652], 95.00th=[ 780], | 99.00th=[ 964], 99.50th=[ 1288], 99.90th=[ 4640], 99.95th=[ 5792], | 99.99th=[ 7520] bw ( MiB/s): min= 917, max= 1162, per=100.00%, avg=1100.00, stdev=48.82, samples=40 iops : min=58748, max=74400, avg=70400.00, stdev=3124.63, samples=40 lat (nsec) : 750=92.78%, 1000=6.25% lat (usec) : 2=0.51%, 4=0.35%, 10=0.11%, 20=0.01% cpu : usr=4.79%, sys=49.26%, ctx=48564, majf=0, minf=14 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=1408001,0,0,0 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=1099MiB/s (1152MB/s), 1099MiB/s-1099MiB/s (1152MB/s-1152MB/s), io=21.5GiB (23.1GB), run=20017-20017msec