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
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=19680, got signal=6
Threads: 2: [mm_] [37.5% done] [ 12458/ 52060 kb/s] [eta 00m:05s]
Threads: 2: [mm_] [44.4% done] [ 13231/     0 kb/s] [eta 00m:05s]
Threads: 2: [mF_] [62.5% done] [  5230/ 23038 kb/s] [eta 00m:03s]
Threads: 2: [FF_] [100.0% done] [  1846/ 13797 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]
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: [VV_] [73.7% done] [ 23413/     0 kb/s] [eta 00m:05s]
Threads: 2: [VV_] [93.8% done] [ 53736/     0 kb/s] [eta 00m:01s]
Threads: 2: [VV_] [100.0% done] [ 53235/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=19678
  read : io=100MiB, bw=6,421KiB/s, runt= 16330msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  307, avg=33.26, stdev=46.59
    bw (KiB/s) : min=    0, max=28688, per=88.08%, avg=11428.18, stdev=8887.87
  write: io=60,852KiB, bw=4,592KiB/s, runt= 13567msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  263, avg= 1.91, stdev=13.82
    bw (KiB/s) : min=    0, max=13914, per=48.26%, avg=8760.67, stdev=7626.24
  cpu          : usr=7.69%, sys=4.68%, ctx=6346
  IO depths    : 1=0.8%, 2=48.8%, 4=28.2%, 8=22.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=39.7%, 4=10.9%, 10=21.5%, 20=6.2%, 50=6.3%, 100=7.9%
     lat (msec): 250=7.1%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=19679
  read : io=100MiB, bw=6,345KiB/s, runt= 16476msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  191, avg=26.39, stdev=38.84
    bw (KiB/s) : min=    2, max=31437, per=106.24%, avg=13784.92, stdev=13005.77
  write: io=81,556KiB, bw=6,155KiB/s, runt= 13567msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  108, avg= 1.29, stdev= 5.68
    bw (KiB/s) : min=    0, max=63979, per=164.52%, avg=29866.67, stdev=32200.11
  cpu          : usr=10.37%, sys=5.00%, ctx=6224
  IO depths    : 1=0.9%, 2=53.3%, 4=27.2%, 8=18.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=38.2%, 4=15.4%, 10=20.4%, 20=8.2%, 50=6.4%, 100=5.0%
     lat (msec): 250=6.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=19680
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=15.2%, 2=67.5%, 4=11.2%, 8=6.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=66.9%, 4=20.5%, 10=6.4%, 20=0.9%, 50=1.4%, 100=2.7%
     lat (msec): 250=1.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=204MiB, aggrb=12,975KiB/s, minb=0KiB/s, maxb=6,421KiB/s, mint=0msec, maxt=16476msec
  WRITE: io=235MiB, aggrb=18,154KiB/s, minb=0KiB/s, maxb=6,155KiB/s, mint=0msec, maxt=16476msec

Disk stats (read/write):
  cciss!c0d0: ios=4611/3190, merge=964/56893, ticks=32760/1362524, in_queue=1395596, util=97.84%
4.29user 2.00system 0:16.76elapsed 37%CPU (0avgtext+0avgdata 0maxresident)k
544648inputs+481080outputs (0major+2452minor)pagefaults 0swaps