stresser: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=mmap, iodepth=1
fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file
stresser: (g=1): rw=randrw, bs=4K-4K/4K-4K, ioengine=mmap, iodepth=4
fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file
fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file
...
fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file
stresser: (g=1): rw=randrw, bs=4K-4K/4K-4K, ioengine=mmap, iodepth=4
Starting 5 processes
stresser: Laying out IO file(s) (1 file(s) / 4096MiB)

stresser: (groupid=0, jobs=1): err= 0: pid=6184
  read : io=4,096MiB, bw=217MiB/s, iops=55,612, runt= 18855msec
    clat (usec): min=3, max=113, avg= 3.71, stdev= 0.76
    bw (KiB/s) : min=    0, max=224504, per=97.43%, avg=216731.16, stdev=36228.35
  write: io=4,096MiB, bw=25,609KiB/s, iops=6,402, runt=163779msec
    clat (usec): min=3, max=5,381K, avg=130.04, stdev=11539.36
    bw (KiB/s) : min=    0, max=82864, per=126.65%, avg=32433.26, stdev=29956.11
  cpu          : usr=24.46%, sys=2.85%, ctx=16672, majf=1, minf=2117670
  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 r/w: total=1048576/1048576, short=0/0
     lat (usec): 4=18.13%, 10=80.77%, 20=0.26%, 50=0.01%, 100=0.08%
     lat (usec): 250=0.04%, 500=0.07%, 750=0.09%, 1000=0.10%
     lat (msec): 2=0.29%, 4=0.06%, 10=0.05%, 20=0.02%, 50=0.02%
     lat (msec): 100=0.02%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 2000=0.01%, >=2000=0.01%
stresser: (groupid=1, jobs=1): err= 0: pid=6352
  read : io=4,037MiB, bw=3,410KiB/s, iops=852, runt=1212294msec
    clat (usec): min=1, max=135K, avg= 4.21, stdev=137.14
    bw (KiB/s) : min=    0, max=224072, per=127.45%, avg=17119.72, stdev=47583.44
  write: io=1,024MiB, bw=862KiB/s, iops=215, runt=1215273msec
    clat (usec): min=1, max=28,777K, avg=4549.21, stdev=192034.65
    bw (KiB/s) : min=    0, max=44640, per=106.14%, avg=3629.03, stdev=10686.87
  cpu          : usr=1.23%, sys=0.14%, ctx=18630, majf=0, minf=1147117
  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 r/w: total=1033597/262144, short=0/0
     lat (usec): 2=0.17%, 4=23.39%, 10=76.11%, 20=0.28%, 50=0.02%
     lat (usec): 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%
     lat (msec): 2=0.01%, 4=0.01%, 10=0.01%, 20=0.01%, 50=0.01%
     lat (msec): 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 2000=0.01%, >=2000=0.01%
stresser: (groupid=1, jobs=1): err= 0: pid=6353
  read : io=4,038MiB, bw=3,357KiB/s, iops=839, runt=1231240msec
    clat (usec): min=1, max=1,907, avg= 3.97, stdev= 5.07
    bw (KiB/s) : min=    0, max=223392, per=139.25%, avg=18704.18, stdev=49383.66
  write: io=1,024MiB, bw=854KiB/s, iops=213, runt=1226671msec
    clat (usec): min=1, max=45,323K, avg=4593.07, stdev=212743.72
    bw (KiB/s) : min=    0, max=44936, per=115.59%, avg=3951.90, stdev=11240.89
  cpu          : usr=1.23%, sys=0.17%, ctx=20568, majf=0, minf=1151665
  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 r/w: total=1033619/262144, short=0/0
     lat (usec): 2=0.21%, 4=20.74%, 10=78.73%, 20=0.23%, 50=0.04%
     lat (usec): 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 2=0.01%, 4=0.01%, 10=0.01%, 20=0.01%, 50=0.01%
     lat (msec): 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 2000=0.01%, >=2000=0.01%
stresser: (groupid=1, jobs=1): err= 0: pid=6354
  read : io=4,038MiB, bw=3,451KiB/s, iops=862, runt=1198172msec
    clat (usec): min=0, max=9,836, avg= 4.12, stdev=10.10
    bw (KiB/s) : min=    0, max=219240, per=103.15%, avg=13855.07, stdev=42271.50
  write: io=1,024MiB, bw=878KiB/s, iops=219, runt=1193580msec
    clat (usec): min=1, max=17,205K, avg=4467.15, stdev=162827.03
    bw (KiB/s) : min=    0, max=44592, per=80.27%, avg=2744.37, stdev=8672.56
  cpu          : usr=1.24%, sys=0.16%, ctx=18270, majf=0, minf=1148823
  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 r/w: total=1033778/262144, short=0/0
     lat (usec): 2=0.17%, 4=17.26%, 10=82.22%, 20=0.28%, 50=0.02%
     lat (usec): 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 4=0.01%, 10=0.01%, 20=0.01%, 50=0.01%, 100=0.01%
     lat (msec): 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%, 2000=0.01%
     lat (msec): >=2000=0.02%
stresser: (groupid=1, jobs=1): err= 0: pid=6355
  read : io=4,038MiB, bw=3,410KiB/s, iops=852, runt=1212211msec
    clat (usec): min=1, max=38,751, avg= 3.86, stdev=40.07
    bw (KiB/s) : min=    0, max=224688, per=123.21%, avg=16549.30, stdev=47079.25
  write: io=1,024MiB, bw=868KiB/s, iops=217, runt=1207763msec
    clat (usec): min=1, max=30,750K, avg=4521.74, stdev=186695.71
    bw (KiB/s) : min=    0, max=45536, per=101.02%, avg=3453.78, stdev=10374.02
  cpu          : usr=1.23%, sys=0.16%, ctx=20925, majf=0, minf=1147704
  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 r/w: total=1033645/262144, short=0/0
     lat (usec): 2=0.18%, 4=27.64%, 10=71.90%, 20=0.20%, 50=0.03%
     lat (usec): 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 2=0.01%, 4=0.01%, 10=0.01%, 20=0.01%, 50=0.01%
     lat (msec): 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 2000=0.01%, >=2000=0.01%

Run status group 0 (all jobs):
   READ: io=4,096MiB, aggrb=217MiB/s, minb=217MiB/s, maxb=217MiB/s, mint=18855msec, maxt=18855msec
  WRITE: io=4,096MiB, aggrb=25,609KiB/s, minb=25,609KiB/s, maxb=25,609KiB/s, mint=163779msec, maxt=163779msec

Run status group 1 (all jobs):
   READ: io=16,151MiB, aggrb=13,432KiB/s, minb=3,357KiB/s, maxb=3,451KiB/s, mint=1198172msec, maxt=1231240msec
  WRITE: io=4,096MiB, aggrb=3,419KiB/s, minb=854KiB/s, maxb=878KiB/s, mint=1193580msec, maxt=1226671msec

Disk stats (read/write):
  sda: ios=17441/422736, merge=0/1440754, ticks=256760/417335683, in_queue=417594265, util=98.67%
153.04user 39.94system 40:24.63elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k
8388912inputs+24091440outputs (2major+6724252minor)pagefaults 0swaps