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] [14.3% done] [ 13706/ 10215 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [18.2% done] [  7025/ 14518 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [22.7% done] [ 15433/  5343 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [27.3% done] [ 14145/  6188 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [31.8% done] [ 11454/  7317 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [34.8% done] [ 13015/  4912 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [39.1% done] [ 11906/  3401 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [41.7% done] [ 12283/  4132 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [45.8% done] [ 10792/  5497 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [50.0% done] [  8500/  5420 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [52.0% done] [ 12316/  2755 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [53.8% done] [ 11983/     0 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [57.7% done] [ 10191/  1974 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [59.3% done] [  8508/  1052 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [60.7% done] [  4473/  3933 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [64.3% done] [  3714/  4530 kb/s] [eta 00m:10s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [mmm] [65.5% done] [  6972/   958 kb/s] [eta 00m:10s]
fio: pid=5408, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=5407, got signal=6
Threads: 1: [m__] [66.7% done] [   552/  5957 kb/s] [eta 00m:10s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=5406, got signal=6

fio: (groupid=0): err= 0: pid=5406
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.4%, 4=5.8%, 8=93.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.4%, 20=1.6%, 50=8.0%, 100=49.2%
     lat (msec): 250=39.6%, 500=0.8%, 750=0.3%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5407
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=4.6%, 8=95.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.0%, 20=0.4%, 50=8.9%, 100=43.9%
     lat (msec): 250=45.8%, 500=0.4%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5408
  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=0.1%, 20=0.9%, 50=7.8%, 100=45.1%
     lat (msec): 250=45.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):

Disk stats (read/write):
  cciss!c0d0: ios=3595/1882, merge=721/72, ticks=43548/26088, in_queue=69636, util=98.23%
0.39user 0.44system 0:20.85elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k
411296inputs+203040outputs (0major+2448minor)pagefaults 0swaps