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] [13.6% done] [ 17108/  5076 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [18.2% done] [ 14435/  7374 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [22.7% done] [ 14728/  4795 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [27.3% done] [ 13056/  6979 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [30.4% done] [  7752/ 10258 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [34.8% done] [ 18446/     0 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [39.1% done] [ 16733/   894 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [41.7% done] [ 11934/  4746 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [45.8% done] [  5678/  9505 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [48.0% done] [  6034/  7293 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [52.0% done] [ 12576/  2395 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [53.8% done] [  8069/  4307 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [57.7% done] [  9192/  2501 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [59.3% done] [  6024/  4742 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [60.7% done] [  4470/  5385 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [62.1% done] [  5897/  3339 kb/s] [eta 00m:11s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [mmm] [63.3% done] [  4567/  3388 kb/s] [eta 00m:11s]
fio: pid=7720, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=7719, 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] [  5559/  2748 kb/s] [eta 00m:10s]
fio: pid=7721, got signal=6

fio: (groupid=0): err= 0: pid=7719
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.2%, 4=6.3%, 8=93.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.1%, 20=3.6%, 50=6.2%, 100=42.3%
     lat (msec): 250=46.8%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=7720
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=4.9%, 8=94.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.0%, 20=1.0%, 50=7.3%, 100=50.6%
     lat (msec): 250=40.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=7721
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=4.3%, 8=95.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.0%, 20=0.2%, 50=8.9%, 100=46.0%
     lat (msec): 250=43.6%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):

Disk stats (read/write):
  cciss!c0d0: ios=3755/2039, merge=762/126, ticks=45976/28036, in_queue=74008, util=96.32%
0.21user 0.57system 0:21.05elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
421320inputs+192944outputs (0major+2454minor)pagefaults 0swaps