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=29839
  read : io=4,096MiB, bw=216MiB/s, iops=55,412, runt= 18923msec
    clat (usec): min=3, max=190, avg= 3.68, stdev= 1.08
    bw (KiB/s) : min=    0, max=223544, per=97.44%, avg=215968.42, stdev=36087.38
  write: io=4,096MiB, bw=20,754KiB/s, iops=5,188, runt=202093msec
    clat (usec): min=4, max=538K, avg=166.09, stdev=3377.64
    bw (KiB/s) : min=    0, max=66624, per=102.61%, avg=21295.85, stdev=20853.65
  cpu          : usr=20.72%, sys=2.80%, ctx=18340, majf=0, minf=2117682
  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=19.42%, 10=79.44%, 20=0.29%, 50=0.01%, 100=0.01%
     lat (usec): 250=0.03%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 2=0.38%, 4=0.24%, 10=0.04%, 20=0.03%, 50=0.04%
     lat (msec): 100=0.04%, 250=0.01%, 500=0.01%, 750=0.01%
stresser: (groupid=1, jobs=1): err= 0: pid=30049
  read : io=4,038MiB, bw=3,651KiB/s, iops=912, runt=1132299msec
    clat (usec): min=1, max=309K, avg= 5.59, stdev=304.00
    bw (KiB/s) : min=    0, max=206504, per=133.48%, avg=19246.85, stdev=48377.91
  write: io=1,024MiB, bw=926KiB/s, iops=231, runt=1131791msec
    clat (usec): min=1, max=27,014K, avg=4228.04, stdev=180499.62
    bw (KiB/s) : min=    0, max=42616, per=110.75%, avg=4066.86, stdev=11112.41
  cpu          : usr=1.29%, sys=0.21%, ctx=14568, majf=0, minf=1135232
  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=1033696/262144, short=0/0
     lat (usec): 2=0.14%, 4=13.19%, 10=86.01%, 20=0.61%, 50=0.01%
     lat (usec): 100=0.01%, 250=0.01%, 500=0.01%, 750=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=30050
  read : io=4,038MiB, bw=3,604KiB/s, iops=901, runt=1146904msec
    clat (usec): min=0, max=3,673, avg= 5.12, stdev= 4.80
    bw (KiB/s) : min=    0, max=204416, per=125.22%, avg=18055.98, stdev=46711.11
  write: io=1,024MiB, bw=918KiB/s, iops=229, runt=1141950msec
    clat (usec): min=1, max=38,628K, avg=4267.72, stdev=181934.58
    bw (KiB/s) : min=    0, max=42792, per=105.88%, avg=3888.01, stdev=10892.17
  cpu          : usr=1.29%, sys=0.25%, ctx=14738, majf=0, minf=1135305
  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=0.15%, 4=13.36%, 10=85.86%, 20=0.57%, 50=0.03%
     lat (usec): 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%
     lat (msec): 2=0.01%, 4=0.01%, 100=0.01%, 250=0.01%, 500=0.01%
     lat (msec): 750=0.01%, 1000=0.01%, 2000=0.01%, >=2000=0.01%
stresser: (groupid=1, jobs=1): err= 0: pid=30051
  read : io=4,038MiB, bw=3,636KiB/s, iops=909, runt=1136789msec
    clat (usec): min=1, max=86,580, avg= 5.01, stdev=85.35
    bw (KiB/s) : min=    0, max=209392, per=127.56%, avg=18392.40, stdev=47655.64
  write: io=1,024MiB, bw=926KiB/s, iops=231, runt=1131841msec
    clat (usec): min=1, max=29,436K, avg=4229.93, stdev=178556.51
    bw (KiB/s) : min=    0, max=43520, per=106.89%, avg=3925.00, stdev=10840.63
  cpu          : usr=1.27%, sys=0.25%, ctx=13862, majf=0, minf=1134059
  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=1033600/262144, short=0/0
     lat (usec): 2=0.15%, 4=13.42%, 10=85.76%, 20=0.58%, 50=0.05%
     lat (usec): 100=0.02%, 250=0.01%, 500=0.01%, 750=0.01%
     lat (msec): 2=0.01%, 4=0.01%, 100=0.01%, 250=0.01%, 500=0.01%
     lat (msec): 750=0.01%, 1000=0.01%, 2000=0.01%, >=2000=0.01%
stresser: (groupid=1, jobs=1): err= 0: pid=30052
  read : io=4,037MiB, bw=3,637KiB/s, iops=909, runt=1136575msec
    clat (usec): min=1, max=60,388, avg= 5.18, stdev=59.51
    bw (KiB/s) : min=    0, max=208768, per=119.94%, avg=17294.33, stdev=45929.98
  write: io=1,024MiB, bw=926KiB/s, iops=231, runt=1131795msec
    clat (usec): min=1, max=21,247K, avg=4228.57, stdev=174951.92
    bw (KiB/s) : min=    0, max=42040, per=100.10%, avg=3675.69, stdev=10252.62
  cpu          : usr=1.29%, sys=0.25%, ctx=15632, majf=0, minf=1135071
  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=1033516/262144, short=0/0
     lat (usec): 2=0.13%, 4=13.28%, 10=85.90%, 20=0.62%, 50=0.04%
     lat (usec): 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%
     lat (msec): 4=0.01%, 100=0.01%, 250=0.01%, 500=0.01%, 750=0.01%
     lat (msec): 1000=0.01%, 2000=0.01%, >=2000=0.01%

Run status group 0 (all jobs):
   READ: io=4,096MiB, aggrb=216MiB/s, minb=216MiB/s, maxb=216MiB/s, mint=18923msec, maxt=18923msec
  WRITE: io=4,096MiB, aggrb=20,754KiB/s, minb=20,754KiB/s, maxb=20,754KiB/s, mint=202093msec, maxt=202093msec

Run status group 1 (all jobs):
   READ: io=16,150MiB, aggrb=14,419KiB/s, minb=3,604KiB/s, maxb=3,651KiB/s, mint=1132299msec, maxt=1146904msec
  WRITE: io=4,096MiB, aggrb=3,672KiB/s, minb=918KiB/s, maxb=926KiB/s, mint=1131791msec, maxt=1141950msec

Disk stats (read/write):
  sda: ios=17445/406711, merge=0/1446533, ticks=218215/414721576, in_queue=414939722, util=98.41%
154.01user 48.43system 39:41.72elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k
8390816inputs+23581256outputs (36major+6668449minor)pagefaults 0swaps