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] [ 17380/  2285 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [16.7% done] [ 14622/  5011 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [20.8% done] [ 10691/  8984 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [25.0% done] [ 12902/  7337 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [29.2% done] [ 10595/  6166 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [33.3% done] [ 14925/  5262 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [37.5% done] [ 11889/  4942 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [40.0% done] [ 11991/  3929 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [44.0% done] [ 10406/  5038 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [48.0% done] [  8448/  5226 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [50.0% done] [  9614/  4929 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [53.8% done] [  7675/  4425 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [55.6% done] [  4079/  6935 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [57.1% done] [  6951/  3823 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [60.7% done] [  8781/  2125 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [62.1% done] [   954/  8045 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [63.3% done] [  3315/  4628 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [64.5% done] [  4815/  3380 kb/s] [eta 00m:11s]
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] [65.6% done] [  4807/  2066 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [66.7% done] [    10/  1899 kb/s] [eta 00m:11s]
fio: pid=20530, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=20532, got signal=6
Threads: 1: [_m_] [67.6% done] [     0/     0 kb/s] [eta 00m:11s]
fio: pid=20531, got signal=6

fio: (groupid=0): err= 0: pid=20530
  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=0.3%, 20=0.9%, 50=7.3%, 100=44.3%
     lat (msec): 250=46.4%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=20531
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=3.6%, 8=96.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.0%, 20=0.1%, 50=7.8%, 100=44.7%
     lat (msec): 250=45.7%, 500=1.1%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=20532
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.1%, 4=5.4%, 8=94.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.0%, 20=1.6%, 50=8.5%, 100=45.1%
     lat (msec): 250=43.5%, 500=0.8%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):

Disk stats (read/write):
  cciss!c0d0: ios=3457/2649, merge=714/66, ticks=45016/38164, in_queue=83180, util=90.05%
0.42user 0.33system 0:24.45elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
379672inputs+234568outputs (0major+2474minor)pagefaults 0swaps