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  1. (venv) neon@neon:~$ time fio -filename=testfio.file -direct=1 -rw=read  -bs=4k -size=10G  -name=seqread  -runtime=60
  2. seqread: (g=0): rw=read, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=1
  3. fio-3.33
  4. Starting 1 process
  5. seqread: Laying out IO file (1 file / 10240MiB)
  6. Jobs: 1 (f=1): [R(1)][100.0%][r=24.7MiB/s][r=6332 IOPS][eta 00m:00s]
  7. seqread: (groupid=0, jobs=1): err= 0: pid=27204: Thu May 25 15:04:18 2023
  8.   read: IOPS=6398, BW=25.0MiB/s (26.2MB/s)(1500MiB/60001msec)
  9.     clat (usec): min=118, max=7154, avg=152.80, stdev=62.46
  10.      lat (usec): min=118, max=7154, avg=153.18, stdev=62.83
  11.     clat percentiles (usec):
  12.      |  1.00th=[  122],  5.00th=[  124], 10.00th=[  125], 20.00th=[  127],
  13.      | 30.00th=[  129], 40.00th=[  133], 50.00th=[  139], 60.00th=[  151],
  14.      | 70.00th=[  161], 80.00th=[  167], 90.00th=[  180], 95.00th=[  206],
  15.      | 99.00th=[  375], 99.50th=[  519], 99.90th=[  848], 99.95th=[ 1012],
  16.      | 99.99th=[ 1876]
  17.    bw (  KiB/s): min=21920, max=27304, per=100.00%, avg=25618.66, stdev=830.35, samples=119
  18.    iops        : min= 5480, max= 6826, avg=6404.66, stdev=207.59, samples=119
  19.   lat (usec)   : 250=97.83%, 500=1.63%, 750=0.39%, 1000=0.10%
  20.   lat (msec)   : 2=0.04%, 4=0.01%, 10=0.01%
  21.   cpu          : usr=3.55%, sys=25.53%, ctx=398314, majf=0, minf=65
  22.   IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
  23.      submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  24.      complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
  25.      issued rwts: total=383901,0,0,0 short=0,0,0,0 dropped=0,0,0,0
  26.      latency   : target=0, window=0, percentile=100.00%, depth=1
  27.  
  28. Run status group 0 (all jobs):
  29.    READ: bw=25.0MiB/s (26.2MB/s), 25.0MiB/s-25.0MiB/s (26.2MB/s-26.2MB/s), io=1500MiB (1572MB), run=60001-60001msec
  30.  
  31. Disk stats (read/write):
  32.   sda: ios=383768/229, merge=0/52, ticks=48839/74, in_queue=48941, util=99.96%
  33.  
  34. real    1m42.346s
  35. user    0m7.971s
  36. sys     0m50.224s
  37.