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] [27.3% done] [ 15965/ 31681 kb/s] [eta 00m:08s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=13257, got signal=6
Threads: 2: [m_m] [44.4% done] [ 13036/ 66150 kb/s] [eta 00m:05s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=13256, got signal=6
Threads: 1: [__F] [100.0% done] [  5205/ 34503 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [83.3% done] [ 22889/     0 kb/s] [eta 00m:03s]
fio: (groupid=0): err= 0: pid=13256
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.8%, 2=75.1%, 4=6.9%, 8=17.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=60.6%, 4=12.3%, 10=5.2%, 20=1.6%, 50=3.4%, 100=11.1%
     lat (msec): 250=5.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13257
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=85.6%, 4=3.3%, 8=10.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=69.4%, 4=15.3%, 10=2.5%, 20=0.2%, 50=1.5%, 100=7.3%
     lat (msec): 250=3.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13258
  read : io=100MiB, bw=6,521KiB/s, runt= 16078msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  218, avg=24.15, stdev=37.34
    bw (KiB/s) : min=    6, max=64208, per=162.31%, avg=14345.08, stdev=21359.20
  write: io=74,124KiB, bw=5,163KiB/s, runt= 14700msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  155, avg= 1.70, stdev=10.50
    bw (KiB/s) : min=    0, max= 7731, per=22.88%, avg=3865.50, stdev=5466.64
  cpu          : usr=6.59%, sys=4.18%, ctx=5872
  IO depths    : 1=0.9%, 2=48.2%, 4=30.7%, 8=20.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=41.9%, 4=9.1%, 10=24.1%, 20=7.7%, 50=6.6%, 100=6.3%
     lat (msec): 250=4.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=136MiB, aggrb=8,838KiB/s, minb=0KiB/s, maxb=6,521KiB/s, mint=16078msec, maxt=16078msec
  WRITE: io=237MiB, aggrb=16,891KiB/s, minb=0KiB/s, maxb=5,163KiB/s, mint=16078msec, maxt=16078msec

Disk stats (read/write):
  cciss!c0d0: ios=3037/3662, merge=534/56797, ticks=21924/1461496, in_queue=1483868, util=95.25%
3.87user 1.46system 0:16.43elapsed 32%CPU (0avgtext+0avgdata 0maxresident)k
355920inputs+485088outputs (0major+2463minor)pagefaults 0swaps