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] [  4649/ 15273 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [18.2% done] [ 16733/  4771 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [22.7% done] [ 10768/  9683 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [27.3% done] [ 12759/  5879 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [30.4% done] [  8960/ 10335 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [34.8% done] [  5389/ 11864 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [37.5% done] [ 10490/  5450 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [41.7% done] [ 13406/  2778 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [44.0% done] [ 10374/  4644 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [48.0% done] [  7036/  6512 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [50.0% done] [  8863/  4356 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [53.8% done] [  4356/  7931 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [55.6% done] [  8443/  3807 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [57.1% done] [  9290/  1252 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [60.7% done] [  4144/  4360 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [62.1% done] [  6225/  2775 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [63.3% done] [  6662/  1683 kb/s] [eta 00m:11s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=24461, got signal=6
Threads: 2: [m_m] [64.5% done] [  9443/     0 kb/s] [eta 00m:11s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=24462, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 1: [m__] [67.7% done] [  5076/  1187 kb/s] [eta 00m:10s]
Threads: 1: [m__] [66.7% done] [     0/     0 kb/s] [eta 00m:11s]
Threads: 1: [m__] [67.6% done] [     0/     0 kb/s] [eta 00m:11s]
Threads: 1: [m__] [66.7% done] [     0/     0 kb/s] [eta 00m:12s]
Threads: 1: [m__] [67.6% done] [     0/     0 kb/s] [eta 00m:12s]
fio: pid=24460, got signal=6

fio: (groupid=0): err= 0: pid=24460
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.3%, 4=5.6%, 8=94.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.2%, 20=1.4%, 50=10.2%, 100=41.2%
     lat (msec): 250=45.4%, 500=0.9%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=24461
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=7.1%, 8=92.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.2%, 20=2.6%, 50=9.3%, 100=44.9%
     lat (msec): 250=42.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=24462
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=0.4%, 4=5.3%, 8=94.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.4%, 10=0.5%, 20=1.8%, 50=10.4%, 100=36.4%
     lat (msec): 250=49.5%, 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=3772/2282, merge=560/190, ticks=43932/34188, in_queue=78112, util=81.79%
0.24user 0.30system 0:26.16elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
382448inputs+231848outputs (0major+2469minor)pagefaults 0swaps