nvme0: (g=0): rw=randread, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=io_uring, iodepth=32
...
fio-3.25
Starting 16 processes

nvme0: (groupid=0, jobs=16): err= 0: pid=15898: Sat Mar 25 21:17:02 2023
  read: IOPS=42.7k, BW=167MiB/s (175MB/s)(5008MiB/30014msec)
    slat (usec): min=7, max=395, avg=30.62, stdev=13.25
    clat (usec): min=170, max=27446, avg=11952.06, stdev=2938.27
     lat (usec): min=200, max=27462, avg=11983.34, stdev=2937.03
    clat percentiles (usec):
     |  1.00th=[ 2311],  5.00th=[ 6194], 10.00th=[ 7635], 20.00th=[10028],
     | 30.00th=[11469], 40.00th=[12387], 50.00th=[12911], 60.00th=[13304],
     | 70.00th=[13304], 80.00th=[13304], 90.00th=[14222], 95.00th=[15926],
     | 99.00th=[18744], 99.50th=[19530], 99.90th=[21890], 99.95th=[22938],
     | 99.99th=[25297]
   bw (  KiB/s): min=149937, max=201662, per=100.00%, avg=170916.13, stdev=605.68, samples=960
   iops        : min=37484, max=50414, avg=42728.37, stdev=151.41, samples=960
  lat (usec)   : 250=0.01%, 500=0.01%, 750=0.02%, 1000=0.05%
  lat (msec)   : 2=0.73%, 4=1.25%, 10=17.50%, 20=80.14%, 50=0.35%
  cpu          : usr=2.90%, sys=11.16%, ctx=632800, majf=0, minf=931
  IO depths    : 1=0.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=100.0%, >=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=0.1%, 64=0.0%, >=64=0.0%
     issued rwts: total=1281560,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=32

Run status group 0 (all jobs):
   READ: bw=167MiB/s (175MB/s), 167MiB/s-167MiB/s (175MB/s-175MB/s), io=5008MiB (5251MB), run=30014-30014msec

Disk stats (read/write):
  nvme0n1: ios=1495933/0, merge=0/0, ticks=17792295/0, in_queue=17792295, util=99.91%