fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=7507, got signal=6
Threads: 2: [mm_] [27.3% done] [ 14506/123790 kb/s] [eta 00m:08s]
Threads: 2: [Fm_] [44.4% done] [  3241/ 22420 kb/s] [eta 00m:05s]
Threads: 2: [Fm_] [45.5% done] [  2432/   557 kb/s] [eta 00m:06s]
Threads: 2: [Fm_] [46.2% done] [  2387/     0 kb/s] [eta 00m:07s]
Threads: 2: [Fm_] [70.0% done] [   825/ 33313 kb/s] [eta 00m:03s]
Threads: 2: [FF_] [100.0% done] [     0/  1749 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [76.5% done] [ 23531/     0 kb/s] [eta 00m:04s]
Threads: 2: [VV_] [93.3% done] [ 59180/     0 kb/s] [eta 00m:01s]
Threads: 2: [VV_] [100.0% done] [ 57791/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=7505
  read : io=100MiB, bw=6,773KiB/s, runt= 15480msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  257, avg=20.44, stdev=41.75
    bw (KiB/s) : min=    8, max=36717, per=136.16%, avg=19037.80, stdev=13987.31
  write: io=86,272KiB, bw=6,973KiB/s, runt= 12668msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   81, avg= 0.63, stdev= 3.85
    bw (KiB/s) : min=    0, max=61235, per=151.83%, avg=30617.50, stdev=43299.68
  cpu          : usr=8.94%, sys=4.44%, ctx=5978
  IO depths    : 1=1.0%, 2=59.5%, 4=28.4%, 8=11.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.6%, 4=15.6%, 10=20.9%, 20=3.4%, 50=0.6%, 100=2.3%
     lat (msec): 250=5.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=7506
  read : io=100MiB, bw=6,804KiB/s, runt= 15394msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  398, avg=40.93, stdev=66.97
    bw (KiB/s) : min=   32, max=28647, per=78.23%, avg=10938.22, stdev=10233.62
  write: io=67,532KiB, bw=5,459KiB/s, runt= 12667msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  322, avg= 3.47, stdev=23.13
    bw (KiB/s) : min=    0, max=60646, per=89.80%, avg=18109.00, stdev=28500.00
  cpu          : usr=9.17%, sys=3.51%, ctx=5966
  IO depths    : 1=0.9%, 2=51.5%, 4=28.6%, 8=18.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=39.0%, 4=12.6%, 10=22.8%, 20=6.8%, 50=2.5%, 100=6.6%
     lat (msec): 250=7.9%, 500=1.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=7507
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=92.5%, 4=3.8%, 8=3.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=77.6%, 4=15.9%, 10=2.3%, 20=0.0%, 50=0.2%, 100=0.5%
     lat (msec): 250=3.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=206MiB, aggrb=13,982KiB/s, minb=0KiB/s, maxb=6,804KiB/s, mint=0msec, maxt=15480msec
  WRITE: io=244MiB, aggrb=20,166KiB/s, minb=0KiB/s, maxb=6,973KiB/s, mint=0msec, maxt=15480msec

Disk stats (read/write):
  cciss!c0d0: ios=4454/3157, merge=874/59121, ticks=39196/1403080, in_queue=1443300, util=98.25%
4.45user 1.58system 0:15.75elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
550640inputs+498984outputs (0major+2449minor)pagefaults 0swaps