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 0/49152
crc32: wanted 237ec827, got 1016e6c3
crc32: verify failed at 49152/32768
crc32: wanted 1c208bf0, got 9a44ae31
Bad verify header 27fa86c6
Bad verify header 17c25d74
stresser: Laying out IO file(s) (1 file(s) / 4096MiB)

stresser: (groupid=0, jobs=1): err= 0: pid=6187
  read : io=4,096MiB, bw=246MiB/s, iops=6,288, runt= 16654msec
    clat (usec): min=10, max=185, avg=29.96, stdev=13.57
    bw (KiB/s) : min=    0, max=255168, per=97.10%, avg=244558.12, stdev=43384.65
  write: io=4,096MiB, bw=25,357KiB/s, iops=633, runt=165405msec
    clat (usec): min=14, max=5,457K, avg=1340.60, stdev=34107.48
    bw (KiB/s) : min=    0, max=82400, per=123.31%, avg=31266.79, stdev=29032.78
  cpu          : usr=21.79%, sys=2.87%, ctx=16728, majf=1, minf=2099250
  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=104722/104722, short=0/0
     lat (usec): 20=22.78%, 50=49.78%, 100=19.23%, 250=0.57%, 500=0.35%
     lat (usec): 750=0.55%, 1000=0.77%
     lat (msec): 2=3.19%, 4=1.72%, 10=0.43%, 20=0.16%, 50=0.22%
     lat (msec): 100=0.17%, 250=0.03%, 500=0.03%, 750=0.01%, 1000=0.01%
     lat (msec): 2000=0.01%, >=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=6358
  read : io=16KiB, bw=16,000KiB/s, iops=1,000, runt=     1msec
    clat (usec): min=42, max=42, avg=42.00, stdev= 0.00
  cpu          : usr=0.00%, sys=0.00%, ctx=1, majf=0, minf=66
  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=50.0%, 4=50.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued r/w: total=1/0, short=0/0
     lat (usec): 50=100.00%

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=6359
  read : io=64KiB, bw=64,000KiB/s, iops=2,000, runt=     1msec
    clat (usec): min=16, max=105, avg=60.50, stdev=62.93
  cpu          : usr=0.00%, sys=0.00%, ctx=1, majf=0, minf=79
  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%, 250=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=6360
  read : io=128KiB, bw=125MiB/s, iops=2,000, runt=     1msec
    clat (usec): min=59, max=128, avg=93.50, stdev=48.79
  cpu          : usr=0.00%, sys=0.00%, ctx=0, majf=0, minf=99
  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): 100=50.00%, 250=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=6361
  read : io=288KiB, bw=141MiB/s, iops=2,500, runt=     2msec
    clat (usec): min=45, max=101, avg=64.80, stdev=23.24
  write: io=128KiB, bw=64,000KiB/s, iops=1,000, runt=     2msec
    clat (usec): min=62, max=94, avg=78.00, stdev=22.63
    bw (KiB/s) : min=    0, max=    0, per=0.00%, avg= 0.00, stdev= 0.00
  cpu          : usr=100.00%, sys=0.00%, ctx=0, majf=0, minf=171
  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=12.5%, 4=87.5%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued r/w: total=5/2, short=0/0
     lat (usec): 50=14.29%, 100=71.43%, 250=14.29%


Run status group 0 (all jobs):
   READ: io=4,096MiB, aggrb=246MiB/s, minb=246MiB/s, maxb=246MiB/s, mint=16654msec, maxt=16654msec
  WRITE: io=4,096MiB, aggrb=25,357KiB/s, minb=25,357KiB/s, maxb=25,357KiB/s, mint=165405msec, maxt=165405msec

Run status group 1 (all jobs):
   READ: io=496KiB, aggrb=248MiB/s, minb=16,384KiB/s, maxb=144MiB/s, mint=1msec, maxt=2msec
  WRITE: io=128KiB, aggrb=65,536KiB/s, minb=65,536KiB/s, maxb=65,536KiB/s, mint=2msec, maxt=2msec

Disk stats (read/write):
  sda: ios=17440/19498, merge=0/1030277, ticks=271680/8066864, in_queue=8338510, util=90.46%
Command exited with non-zero status 4
42.89user 23.46system 4:58.45elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
8388920inputs+16780080outputs (2major+2102384minor)pagefaults 0swaps