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
Threads: 3: [mmm] [37.5% done] [ 16908/ 25474 kb/s] [eta 00m:05s]
Threads: 3: [mmF] [40.0% done] [ 14289/ 15757 kb/s] [eta 00m:06s]
Threads: 3: [mmF] [41.7% done] [  3856/ 14502 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [42.9% done] [  2092/ 17676 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [53.8% done] [  3384/ 18434 kb/s] [eta 00m:06s]
Threads: 3: [mmF] [61.5% done] [  2027/ 13194 kb/s] [eta 00m:05s]
Threads: 3: [mmF] [69.2% done] [  3210/  7395 kb/s] [eta 00m:04s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=5383, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=5382, got signal=6
Threads: 1: [__F] [100.0% done] [  2352/  1052 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 50498/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5382
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=14.8%, 2=52.6%, 4=4.9%, 8=27.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=62.9%, 4=3.8%, 10=0.3%, 20=0.4%, 50=2.8%, 100=17.0%
     lat (msec): 250=7.7%, 500=4.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5383
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=16.2%, 2=46.4%, 4=5.4%, 8=32.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=55.1%, 4=6.5%, 10=1.2%, 20=1.8%, 50=9.0%, 100=12.7%
     lat (msec): 250=8.3%, 500=4.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5384
  read : io=100MiB, bw=6,642KiB/s, runt= 15785msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  263, avg=13.10, stdev=29.31
    bw (KiB/s) : min=    2, max=66616, per=141.43%, avg=16968.33, stdev=27890.45
  write: io=91,396KiB, bw=6,524KiB/s, runt= 14344msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  235, avg= 1.63, stdev=11.96
    bw (KiB/s) : min=    0, max=61635, per=155.04%, avg=23617.00, stdev=27235.19
  cpu          : usr=12.72%, sys=4.31%, ctx=5422
  IO depths    : 1=4.1%, 2=59.5%, 4=25.0%, 8=11.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.5%, 4=26.8%, 10=14.2%, 20=2.2%, 50=0.9%, 100=4.9%
     lat (msec): 250=1.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=181MiB, aggrb=11,998KiB/s, minb=0KiB/s, maxb=6,642KiB/s, mint=15785msec, maxt=15785msec
  WRITE: io=208MiB, aggrb=15,233KiB/s, minb=0KiB/s, maxb=6,524KiB/s, mint=15785msec, maxt=15785msec

Disk stats (read/write):
  cciss!c0d0: ios=1758/3423, merge=4476/49763, ticks=40376/1466368, in_queue=1509624, util=97.18%
4.20user 1.40system 0:16.09elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k
392488inputs+426872outputs (0major+2454minor)pagefaults 0swaps