stresser: (g=0): rw=write, bs=16K-64K/16K-64K, 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-64K/16K-64K, 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-64K/16K-64K, ioengine=mmap, iodepth=4
Starting 5 processes
crc32: verify failed at 49152/49152
crc32: wanted 488f6b70, got cdcc5518
crc32: verify failed at 98304/49152
crc32: wanted 244c2ebe, got 19826197
Bad verify header 727fdece
Bad verify header 60c46a83

stresser: (groupid=0, jobs=1): err= 0: pid=6270
  read : io=1,024MiB, bw=249MiB/s, iops=6,350, runt=  4115msec
    clat (usec): min=10, max=229, avg=28.01, stdev=12.68
    bw (KiB/s) : min=    0, max=255424, per=88.91%, avg=226599.11, stdev=84975.37
  write: io=1,024MiB, bw=22,418KiB/s, iops=558, runt= 46773msec
    clat (usec): min=14, max=1,543K, avg=1552.20, stdev=22099.70
    bw (KiB/s) : min=    0, max=46592, per=114.32%, avg=25628.36, stdev=20605.35
  cpu          : usr=20.54%, sys=2.42%, ctx=4843, majf=0, minf=524861
  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=26131/26131, short=0/0
     lat (usec): 20=23.75%, 50=56.38%, 100=11.51%, 250=0.52%, 500=0.01%
     lat (usec): 750=0.01%, 1000=0.02%
     lat (msec): 2=0.38%, 4=4.14%, 10=3.06%, 20=0.04%, 50=0.03%
     lat (msec): 100=0.03%, 250=0.07%, 500=0.05%, 750=0.01%, 1000=0.01%
     lat (msec): 2000=0.01%
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=6317
  read : io=80KiB, bw=40,000KiB/s, iops=1,000, runt=     2msec
    clat (usec): min=41, max=68, avg=54.50, stdev=19.09
  write: io=48KiB, bw=24,000KiB/s, iops=500, runt=     2msec
    clat (usec): min=92, max=92, avg=92.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=    0, per=0.00%, avg= 0.00, stdev= 0.00
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=97
  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=25.0%, 4=75.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued r/w: total=2/1, short=0/0
     lat (usec): 50=33.33%, 100=66.67%

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=6318
  read : io=64KiB, bw=64,000KiB/s, iops=2,000, runt=     1msec
    clat (usec): min=16, max=98, avg=57.00, stdev=57.98
  cpu          : usr=0.00%, sys=0.00%, ctx=1, majf=0, minf=81
  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=33.3%, 4=66.7%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued r/w: total=2/0, short=0/0
     lat (usec): 20=50.00%, 100=50.00%

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=6319
  read : io=16KiB, bw=16,000KiB/s, iops=1,000, runt=     1msec
    clat (usec): min=14, max=14, avg=14.00, stdev= 0.00
  write: io=32KiB, bw=32,000KiB/s, iops=1,000, runt=     1msec
    clat (usec): min=59, max=59, avg=59.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=    0, per=0.00%, avg= 0.00, stdev= 0.00
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=74
  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=33.3%, 4=66.7%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued r/w: total=1/1, short=0/0
     lat (usec): 20=50.00%, 100=50.00%

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=6320
  read : io=96KiB, bw=96,000KiB/s, iops=2,000, runt=     1msec
    clat (usec): min=33, max=133, avg=83.00, stdev=70.71
  write: io=16KiB, bw=16,000KiB/s, iops=1,000, runt=     1msec
    clat (usec): min=22, max=22, avg=22.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=    0, per=0.00%, avg= 0.00, stdev= 0.00
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=98
  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=25.0%, 4=75.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued r/w: total=2/1, short=0/0
     lat (usec): 50=66.67%, 250=33.33%


Run status group 0 (all jobs):
   READ: io=1,024MiB, aggrb=249MiB/s, minb=249MiB/s, maxb=249MiB/s, mint=4115msec, maxt=4115msec
  WRITE: io=1,024MiB, aggrb=22,418KiB/s, minb=22,418KiB/s, maxb=22,418KiB/s, mint=46773msec, maxt=46773msec

Run status group 1 (all jobs):
   READ: io=256KiB, aggrb=128MiB/s, minb=16,384KiB/s, maxb=98,304KiB/s, mint=1msec, maxt=2msec
  WRITE: io=96KiB, aggrb=49,152KiB/s, minb=16,384KiB/s, maxb=32,768KiB/s, mint=1msec, maxt=2msec

Disk stats (read/write):
  sda: ios=4450/4284, merge=255/257922, ticks=44574/1193379, in_queue=1237951, util=91.03%
Command exited with non-zero status 4
10.69user 1.34system 0:52.48elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
2099240inputs+2099792outputs (27major+527282minor)pagefaults 0swaps