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] [10.3% done] [ 18259/  1940 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [13.8% done] [ 13849/  3526 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [18.5% done] [ 13475/  5759 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [23.1% done] [ 13117/  5828 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [28.0% done] [ 17099/  1696 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [32.0% done] [ 10978/  5405 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [34.6% done] [ 14344/  1621 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [37.0% done] [  9945/  6508 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [40.7% done] [ 10547/  3819 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [42.9% done] [  9528/  4278 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [46.4% done] [ 10929/  3961 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [50.0% done] [ 10654/  1560 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [51.7% done] [  4197/  6573 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [55.2% done] [  5906/  3929 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [56.7% done] [  7736/  2570 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [60.0% done] [ 10890/  1003 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [61.3% done] [  5194/  3070 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [62.5% done] [  4912/  3055 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [63.6% done] [  5877/  1700 kb/s] [eta 00m:12s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [mmm] [66.7% done] [  5035/  2509 kb/s] [eta 00m:11s]
fio: pid=12871, got signal=6
fio: pid=12872, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=12873, got signal=6

fio: (groupid=0): err= 0: pid=12871
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=0.2%, 4=4.9%, 8=94.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.1%, 10=0.0%, 20=1.0%, 50=8.6%, 100=46.0%
     lat (msec): 250=42.1%, 500=2.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12872
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=4.6%, 8=95.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.0%, 20=0.4%, 50=5.7%, 100=41.7%
     lat (msec): 250=49.3%, 500=2.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12873
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=0.1%, 4=3.9%, 8=95.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.1%, 4=0.0%, 10=0.0%, 20=0.0%, 50=10.7%, 100=36.0%
     lat (msec): 250=49.3%, 500=3.1%, 750=0.3%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):

Disk stats (read/write):
  cciss!c0d0: ios=4154/1630, merge=635/306, ticks=49308/31880, in_queue=81184, util=98.38%
0.27user 0.42system 0:23.18elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
452832inputs+161368outputs (0major+2462minor)pagefaults 0swaps