stresser: (g=0): rw=write, bs=16K-64K/16K-64K, ioengine=sync, iodepth=1
stresser: (g=1): rw=randrw, bs=16K-64K/16K-64K, ioengine=sync, iodepth=4
...
stresser: (g=1): rw=randrw, bs=16K-64K/16K-64K, ioengine=sync, iodepth=4
Starting 5 processes
stresser: Laying out IO file(s) (1 file(s) / 4096MiB)
stresser: Laying out IO file(s) (1 file(s) / 4096MiB)

stresser: (groupid=0, jobs=1): err= 0: pid=6360
  read : io=4,096MiB, bw=89,973KiB/s, iops=2,241, runt= 46617msec
    clat (usec): min=6, max=350K, avg=302.19, stdev=1647.66
    bw (KiB/s) : min=    0, max=114016, per=102.18%, avg=91940.58, stdev=15194.17
  write: io=4,096MiB, bw=63,589KiB/s, iops=1,584, runt= 65959msec
    clat (usec): min=21, max=5,248K, avg=387.67, stdev=34010.80
    bw (KiB/s) : min=    0, max=134400, per=154.84%, avg=98458.18, stdev=46124.39
  cpu          : usr=27.95%, sys=8.96%, ctx=19361, majf=0, minf=2872
  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=104494/104494, short=0/0
     lat (usec): 10=9.25%, 20=14.46%, 50=38.75%, 100=26.84%, 250=2.70%
     lat (usec): 500=0.24%, 750=0.22%, 1000=0.52%
     lat (msec): 2=5.06%, 4=1.83%, 10=0.09%, 20=0.01%, 50=0.01%
     lat (msec): 100=0.01%, 250=0.02%, 500=0.01%, 750=0.01%, >=2000=0.01%
stresser: (groupid=1, jobs=1): err= 0: pid=6498
  read : io=3,072MiB, bw=3,120KiB/s, iops=78, runt=1008198msec
    clat (usec): min=7, max=4,182K, avg=12700.21, stdev=103156.33
    bw (KiB/s) : min=   10, max=137344, per=35.32%, avg=4378.73, stdev=9038.92
  write: io=1,024MiB, bw=1,040KiB/s, iops=26, runt=1008207msec
    clat (usec): min=15, max=611K, avg=79.87, stdev=3786.54
    bw (KiB/s) : min=    0, max=48409, per=40.55%, avg=1680.73, stdev=3274.66
  cpu          : usr=0.04%, sys=0.63%, ctx=130158, majf=0, minf=1682
  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=78667/26265, short=0/0
     lat (usec): 10=7.16%, 20=20.03%, 50=40.00%, 100=12.93%, 250=0.95%
     lat (usec): 500=0.01%, 750=0.07%, 1000=0.19%
     lat (msec): 2=0.39%, 4=1.54%, 10=3.98%, 20=6.27%, 50=4.81%
     lat (msec): 100=0.72%, 250=0.30%, 500=0.18%, 750=0.14%, 1000=0.11%
     lat (msec): 2000=0.18%, >=2000=0.04%
stresser: (groupid=1, jobs=1): err= 0: pid=6499
  read : io=3,072MiB, bw=3,099KiB/s, iops=77, runt=1015011msec
    clat (usec): min=7, max=5,760K, avg=12800.14, stdev=103549.94
    bw (KiB/s) : min=    6, max=100015, per=34.80%, avg=4313.99, stdev=7862.87
  write: io=1,024MiB, bw=1,036KiB/s, iops=25, runt=1011698msec
    clat (usec): min=15, max=61,548, avg=56.88, stdev=391.20
    bw (KiB/s) : min=    0, max=30764, per=39.90%, avg=1653.81, stdev=2857.67
  cpu          : usr=0.04%, sys=0.62%, ctx=130477, majf=0, minf=1712
  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=78661/26168, short=0/0
     lat (usec): 10=7.29%, 20=19.53%, 50=40.11%, 100=12.85%, 250=0.92%
     lat (usec): 500=0.01%, 750=0.09%, 1000=0.19%
     lat (msec): 2=0.41%, 4=1.57%, 10=4.06%, 20=6.47%, 50=4.92%
     lat (msec): 100=0.64%, 250=0.28%, 500=0.20%, 750=0.16%, 1000=0.10%
     lat (msec): 2000=0.17%, >=2000=0.04%
stresser: (groupid=1, jobs=1): err= 0: pid=6500
  read : io=3,072MiB, bw=3,131KiB/s, iops=78, runt=1004514msec
    clat (usec): min=7, max=5,496K, avg=12634.37, stdev=106885.17
    bw (KiB/s) : min=    5, max=166323, per=35.92%, avg=4452.72, stdev=8945.99
  write: io=1,024MiB, bw=1,049KiB/s, iops=26, runt=998952msec
    clat (usec): min=14, max=173K, avg=66.82, stdev=1340.08
    bw (KiB/s) : min=    0, max=58283, per=41.36%, avg=1714.41, stdev=3397.19
  cpu          : usr=0.04%, sys=0.63%, ctx=128728, majf=0, minf=1665
  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=78799/26228, short=0/0
     lat (usec): 10=7.14%, 20=20.08%, 50=39.89%, 100=12.73%, 250=0.94%
     lat (usec): 500=0.02%, 750=0.09%, 1000=0.17%
     lat (msec): 2=0.43%, 4=1.59%, 10=4.11%, 20=6.38%, 50=4.80%
     lat (msec): 100=0.67%, 250=0.34%, 500=0.18%, 750=0.13%, 1000=0.10%
     lat (msec): 2000=0.16%, >=2000=0.04%
stresser: (groupid=1, jobs=1): err= 0: pid=6501
  read : io=3,072MiB, bw=3,136KiB/s, iops=78, runt=1002855msec
    clat (usec): min=5, max=4,396K, avg=12605.64, stdev=104875.83
    bw (KiB/s) : min=    7, max=89362, per=35.39%, avg=4386.96, stdev=7699.22
  write: io=1,024MiB, bw=1,045KiB/s, iops=26, runt=1002854msec
    clat (usec): min=14, max=4,862K, avg=323.25, stdev=31057.30
    bw (KiB/s) : min=    0, max=30343, per=40.14%, avg=1663.67, stdev=2764.14
  cpu          : usr=0.04%, sys=0.63%, ctx=130043, majf=0, minf=1687
  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=78752/26130, short=0/0
     lat (usec): 10=7.32%, 20=19.93%, 50=39.87%, 100=12.88%, 250=0.86%
     lat (usec): 500=0.01%, 750=0.09%, 1000=0.18%
     lat (msec): 2=0.39%, 4=1.61%, 10=4.01%, 20=6.43%, 50=4.81%
     lat (msec): 100=0.69%, 250=0.30%, 500=0.16%, 750=0.14%, 1000=0.10%
     lat (msec): 2000=0.16%, >=2000=0.05%

Run status group 0 (all jobs):
   READ: io=4,096MiB, aggrb=89,975KiB/s, minb=89,975KiB/s, maxb=89,975KiB/s, mint=46617msec, maxt=46617msec
  WRITE: io=4,096MiB, aggrb=63,589KiB/s, minb=63,589KiB/s, maxb=63,589KiB/s, mint=65959msec, maxt=65959msec

Run status group 1 (all jobs):
   READ: io=12,288MiB, aggrb=12,396KiB/s, minb=3,099KiB/s, maxb=3,136KiB/s, mint=1002855msec, maxt=1015011msec
  WRITE: io=4,096MiB, aggrb=4,145KiB/s, minb=1,036KiB/s, maxb=1,049KiB/s, mint=998952msec, maxt=1011698msec

Disk stats (read/write):
  sda: ios=535135/121790, merge=0/3019064, ticks=4055394/38046040, in_queue=42101410, util=99.19%
40.45user 54.60system 20:51.67elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k
12530144inputs+25161224outputs (27major+16527minor)pagefaults 0swaps