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] [12.0% done] [ 18364/  1875 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [16.0% done] [  8972/ 10392 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [20.0% done] [ 10571/  8228 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [24.0% done] [ 15387/  2204 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [28.0% done] [ 15582/  1081 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [32.0% done] [ 13264/  4059 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [34.6% done] [ 10327/  4079 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [38.5% done] [ 12007/  4523 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [40.7% done] [ 11901/  3230 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [44.4% done] [  9139/  5755 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [48.1% done] [  8928/  4433 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [50.0% done] [ 12698/  1663 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [53.6% done] [  9257/  3371 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [55.2% done] [  3978/  6097 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [58.6% done] [  7939/  2725 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [60.0% done] [  6015/  3453 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [61.3% done] [  5279/  3522 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [62.5% done] [  7215/  1037 kb/s] [eta 00m:12s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=12392, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 2: [m_m] [63.6% done] [  6129/  1382 kb/s] [eta 00m:12s]
fio: pid=12393, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 1: [m__] [66.7% done] [  2318/  3022 kb/s] [eta 00m:11s]
fio: pid=12391, got signal=6

fio: (groupid=0): err= 0: pid=12391
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=5.6%, 8=94.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.1%, 20=1.6%, 50=14.1%, 100=35.3%
     lat (msec): 250=47.4%, 500=1.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12392
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=5.7%, 8=94.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.1%, 20=2.1%, 50=8.7%, 100=39.8%
     lat (msec): 250=48.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12393
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.2%, 4=7.5%, 8=92.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.1%, 20=3.2%, 50=6.5%, 100=43.1%
     lat (msec): 250=46.0%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):

Disk stats (read/write):
  cciss!c0d0: ios=4180/1954, merge=656/51, ticks=52944/30584, in_queue=83520, util=97.86%
0.23user 0.41system 0:22.69elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
439848inputs+174016outputs (0major+2455minor)pagefaults 0swaps