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] [12.5% done] [ 11112/  8834 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [17.4% done] [ 20130/  1948 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [21.7% done] [ 14848/  6680 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [26.1% done] [ 15322/  3607 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [30.4% done] [ 13173/  6306 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [33.3% done] [ 18222/     0 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [37.5% done] [ 11329/  6968 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [41.7% done] [ 13516/  1932 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [44.0% done] [  9774/  4173 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [48.0% done] [ 11547/  2290 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [50.0% done] [  6292/  6320 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [51.9% done] [  6320/  6186 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [55.6% done] [  6651/  5477 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [57.1% done] [ 10396/   288 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [60.7% done] [  7260/  2818 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [62.1% done] [  6626/  2774 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [63.3% done] [  9595/     0 kb/s] [eta 00m:11s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [mVm] [66.7% done] [  5975/  1716 kb/s] [eta 00m:10s]
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.
fio: pid=29995, got signal=6
Threads: 3: [mVm] [67.7% done] [  1015/  4125 kb/s] [eta 00m:10s]
fio: pid=29994, got signal=6
fio: pid=29996, got signal=6

fio: (groupid=0): err= 0: pid=29994
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.2%, 4=3.8%, 8=95.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.1%, 20=0.7%, 50=8.6%, 100=45.3%
     lat (msec): 250=44.1%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=29995
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=0.4%, 4=5.9%, 8=93.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=0.0%, 10=0.2%, 20=1.2%, 50=7.9%, 100=51.8%
     lat (msec): 250=38.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=29996
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=4.5%, 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=7.4%, 100=45.8%
     lat (msec): 250=44.2%, 500=1.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):

Disk stats (read/write):
  cciss!c0d0: ios=4147/1810, merge=669/141, ticks=51724/28640, in_queue=80364, util=97.12%
0.26user 0.52system 0:21.69elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
440312inputs+174200outputs (0major+2455minor)pagefaults 0swaps