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: [Fmm] [37.5% done] [  3103/ 63713 kb/s] [eta 00m:05s]
Threads: 3: [Fmm] [40.0% done] [  2954/     0 kb/s] [eta 00m:06s]
Threads: 3: [Fmm] [45.5% done] [  4295/  7085 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [66.7% done] [  1509/ 35578 kb/s] [eta 00m:03s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=13843, got signal=6
Threads: 2: [FF_] [100.0% done] [  2436/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=13841, got signal=6
Threads: 1: [_V_] [72.2% done] [  5522/     0 kb/s] [eta 00m:05s]
Threads: 1: [_V_] [100.0% done] [ 64470/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=13841
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=94.0%, 4=3.8%, 8=1.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=77.9%, 4=17.3%, 10=2.1%, 20=0.1%, 50=0.1%, 100=0.3%
     lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13842
  read : io=100MiB, bw=7,248KiB/s, runt= 14464msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  408, avg=22.50, stdev=63.94
    bw (KiB/s) : min=    6, max=62980, per=140.96%, avg=12513.25, stdev=22957.09
  write: io=88,200KiB, bw=6,995KiB/s, runt= 12911msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  254, avg= 1.98, stdev=15.57
    bw (KiB/s) : min=    0, max=60653, per=117.86%, avg=25229.20, stdev=31690.62
  cpu          : usr=13.00%, sys=5.89%, ctx=5698
  IO depths    : 1=1.9%, 2=60.4%, 4=26.5%, 8=11.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.4%, 4=20.8%, 10=23.3%, 20=3.2%, 50=0.8%, 100=1.0%
     lat (msec): 250=2.5%, 500=1.8%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13843
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=74.8%, 4=6.2%, 8=18.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=58.1%, 4=16.2%, 10=2.7%, 20=2.4%, 50=3.2%, 100=7.2%
     lat (msec): 250=7.6%, 500=2.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=122MiB, aggrb=8,877KiB/s, minb=0KiB/s, maxb=7,248KiB/s, mint=0msec, maxt=14464msec
  WRITE: io=264MiB, aggrb=21,406KiB/s, minb=0KiB/s, maxb=6,995KiB/s, mint=0msec, maxt=14464msec

Disk stats (read/write):
  cciss!c0d0: ios=2537/3507, merge=374/63875, ticks=20492/1650800, in_queue=1671548, util=95.34%
5.06user 2.00system 0:14.79elapsed 47%CPU (0avgtext+0avgdata 0maxresident)k
299712inputs+539848outputs (0major+2469minor)pagefaults 0swaps