stresser: (g=0): rw=write, bs=16K-16K/16K-16K, 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=16K-16K/16K-16K, 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=16K-16K/16K-16K, ioengine=mmap, iodepth=4
Starting 5 processes
crc32: verify failed at 1339260928/16384
crc32: wanted 95698132, got 196611f9
fio: pid=6772, got signal=7
fio: pid=6774, got signal=7
fio: pid=6775, got signal=7
fio: file hash not empty on exit
stresser: Laying out IO file(s) (1 file(s) / 4096MiB)

stresser: (groupid=0, jobs=1): err= 0: pid=6383
  read : io=4,096MiB, bw=243MiB/s, iops=15,529, runt= 16880msec
    clat (usec): min=10, max=301, avg=12.04, stdev= 2.06
    bw (KiB/s) : min=    0, max=251840, per=97.13%, avg=241358.12, stdev=42883.03
  write: io=4,096MiB, bw=14,391KiB/s, iops=899, runt=291452msec
    clat (usec): min=14, max=1,232K, avg=1015.18, stdev=13843.26
    bw (KiB/s) : min=    0, max=43433, per=109.21%, avg=15716.72, stdev=12678.01
  cpu          : usr=14.07%, sys=1.81%, ctx=18463, majf=0, minf=2102366
  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=262144/262144, short=0/0
     lat (usec): 20=90.87%, 50=5.78%, 100=0.02%, 250=0.01%, 500=0.02%
     lat (usec): 750=0.01%, 1000=0.01%
     lat (msec): 2=0.08%, 4=0.61%, 10=2.30%, 20=0.08%, 50=0.06%
     lat (msec): 100=0.04%, 250=0.09%, 500=0.03%, 750=0.01%, 1000=0.01%
     lat (msec): 2000=0.01%
stresser: (groupid=1, jobs=1): err= 0: pid=6772
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=0
  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=196608/65536, short=0/0
     lat (usec): 4=0.01%, 10=15.03%, 20=22.32%, 50=62.50%, 100=0.06%
     lat (usec): 250=0.02%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 2=0.01%, 4=0.01%, 50=0.01%, 100=0.01%, 250=0.01%
     lat (msec): 500=0.01%, 750=0.01%, 1000=0.01%, 2000=0.01%, >=2000=0.02%
stresser: (groupid=1, jobs=1): err=84 (file:io_u.c:986, func=io_u_sync_complete, error=Invalid or incomplete multibyte or wide character): pid=6773
  read : io=1,057MiB, bw=139MiB/s, iops=8,909, runt=  7590msec
    clat (usec): min=2, max=3,556, avg=17.84, stdev=23.06
    bw (KiB/s) : min=138464, max=146880, per=100.02%, avg=142577.07, stdev=2325.70
  write: io=352MiB, bw=47,498KiB/s, iops=2,968, runt=  7590msec
    clat (usec): min=5, max=3,157, avg=23.14, stdev=29.71
    bw (KiB/s) : min=    0, max=48992, per=93.72%, avg=44518.00, stdev=11916.16
  cpu          : usr=87.14%, sys=12.04%, ctx=94, majf=0, minf=341321
  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=0.1%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued r/w: total=67620/22532, short=0/0
     lat (usec): 4=0.01%, 10=5.48%, 20=54.93%, 50=39.53%, 100=0.04%
     lat (usec): 250=0.02%
     lat (msec): 4=0.01%
stresser: (groupid=1, jobs=1): err= 0: pid=6774
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=0
  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=196608/65536, short=0/0
     lat (usec): 4=0.01%, 10=15.29%, 20=26.10%, 50=58.48%, 100=0.05%
     lat (usec): 250=0.02%, 500=0.01%, 750=0.01%, 1000=0.01%
     lat (msec): 2=0.01%, 4=0.01%, 10=0.01%, 100=0.01%, 250=0.01%
     lat (msec): 500=0.01%, 750=0.01%, 1000=0.01%, 2000=0.01%, >=2000=0.02%
stresser: (groupid=1, jobs=1): err= 0: pid=6775
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=0
  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=196608/65536, short=0/0
     lat (usec): 4=0.01%, 10=16.53%, 20=46.24%, 50=36.96%, 100=0.15%
     lat (usec): 250=0.06%, 500=0.01%, 750=0.01%
     lat (msec): 2=0.01%, 4=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%

Run status group 0 (all jobs):
   READ: io=4,096MiB, aggrb=243MiB/s, minb=243MiB/s, maxb=243MiB/s, mint=16880msec, maxt=16880msec
  WRITE: io=4,096MiB, aggrb=14,391KiB/s, minb=14,391KiB/s, maxb=14,391KiB/s, mint=291452msec, maxt=291452msec

Run status group 1 (all jobs):
   READ: io=1,057MiB, aggrb=139MiB/s, minb=139MiB/s, maxb=139MiB/s, mint=7590msec, maxt=7590msec
  WRITE: io=352MiB, aggrb=47,499KiB/s, minb=47,499KiB/s, maxb=47,499KiB/s, mint=7590msec, maxt=7590msec

Disk stats (read/write):
  sda: ios=17445/106093, merge=0/1630253, ticks=314713/162819061, in_queue=163135722, util=97.31%
Command exited with non-zero status 1
107.88user 36.62system 17:02.41elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k
8388920inputs+22368104outputs (27major+5074320minor)pagefaults 0swaps