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] [ 14037/  7122 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [14.8% done] [  2676/ 15562 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [19.2% done] [ 12942/  8147 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [23.1% done] [ 15314/  2729 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [26.9% done] [ 15733/  3827 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [30.8% done] [ 11043/  7232 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [33.3% done] [  5133/  9790 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [37.0% done] [  6532/ 10079 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [40.7% done] [  8041/  7280 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [44.4% done] [  9400/  5560 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [46.4% done] [  7496/  5881 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [50.0% done] [  6508/  6174 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [53.6% done] [  9493/  2729 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [55.2% done] [ 11157/   732 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [58.6% done] [  6015/  4283 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [60.0% done] [  1793/  6939 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [61.3% done] [  5930/  3449 kb/s] [eta 00m:12s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [mmm] [62.5% done] [  8375/   484 kb/s] [eta 00m:12s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=470, got signal=6
fio: pid=469, got signal=6
Threads: 1: [m__] [65.6% done] [  4782/  2276 kb/s] [eta 00m:11s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 1: [m__] [66.7% done] [     0/  3624 kb/s] [eta 00m:11s]
fio: pid=468, got signal=6

fio: (groupid=0): err= 0: pid=468
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.2%, 4=5.6%, 8=94.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.0%, 20=1.5%, 50=13.9%, 100=36.1%
     lat (msec): 250=45.7%, 500=2.2%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=469
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=4.3%, 8=95.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.0%, 20=0.7%, 50=9.3%, 100=41.5%
     lat (msec): 250=46.4%, 500=1.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=470
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.2%, 4=7.9%, 8=91.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=0.0%, 10=0.5%, 20=2.0%, 50=8.5%, 100=50.4%
     lat (msec): 250=36.4%, 500=1.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):

Disk stats (read/write):
  cciss!c0d0: ios=3547/2521, merge=555/185, ticks=45104/35676, in_queue=80776, util=96.41%
0.49user 0.34system 0:22.83elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
378080inputs+236216outputs (0major+2464minor)pagefaults 0swaps