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: [mmF] [50.0% done] [  9485/ 92934 kb/s] [eta 00m:03s]
Threads: 3: [mmF] [50.0% done] [  6548/  1175 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [50.0% done] [  3441/ 17514 kb/s] [eta 00m:05s]
Threads: 3: [mmF] [50.0% done] [  3099/  2839 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [63.6% done] [  1858/ 25129 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [66.7% done] [   837/  2627 kb/s] [eta 00m:04s]
Threads: 3: [FFF] [100.0% done] [     0/  7207 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [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=28765, got signal=6
Threads: 2: [V_V] [87.5% done] [ 55734/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_V] [100.0% done] [ 60968/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=28764
  read : io=100MiB, bw=6,633KiB/s, runt= 15798msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  351, avg=33.63, stdev=61.27
    bw (KiB/s) : min=    3, max=39823, per=65.17%, avg=9434.67, stdev=13574.84
  write: io=83,824KiB, bw=6,528KiB/s, runt= 13147msec
    slat (msec): min=    0, max=    1, avg= 0.00, stdev= 0.03
    clat (msec): min=    0, max=  179, avg= 1.44, stdev= 9.14
    bw (KiB/s) : min=    0, max=11903, per=41.32%, avg=8330.25, stdev=5634.58
  cpu          : usr=10.66%, sys=5.06%, ctx=8492
  IO depths    : 1=21.9%, 2=37.1%, 4=26.1%, 8=14.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.7%, 4=13.0%, 10=24.3%, 20=3.9%, 50=1.2%, 100=2.0%
     lat (msec): 250=9.1%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=28765
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=34.7%, 2=43.1%, 4=4.2%, 8=18.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=75.1%, 4=2.3%, 10=1.1%, 20=0.1%, 50=0.5%, 100=4.9%
     lat (msec): 250=13.0%, 500=2.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=28766
  read : io=100MiB, bw=6,500KiB/s, runt= 16130msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  317, avg=15.67, stdev=39.02
    bw (KiB/s) : min=   21, max=37724, per=114.52%, avg=16577.90, stdev=15691.55
  write: io=95,936KiB, bw=7,472KiB/s, runt= 13147msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  143, avg= 1.03, stdev= 7.11
    bw (KiB/s) : min=    0, max=59101, per=139.95%, avg=28217.60, stdev=29204.19
  cpu          : usr=12.70%, sys=5.08%, ctx=7063
  IO depths    : 1=9.0%, 2=57.8%, 4=25.3%, 8=7.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=52.8%, 4=19.5%, 10=19.9%, 20=1.8%, 50=0.8%, 100=0.9%
     lat (msec): 250=4.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=223MiB, aggrb=14,476KiB/s, minb=0KiB/s, maxb=6,633KiB/s, mint=16130msec, maxt=16130msec
  WRITE: io=253MiB, aggrb=20,162KiB/s, minb=0KiB/s, maxb=7,472KiB/s, mint=16130msec, maxt=16130msec

Disk stats (read/write):
  cciss!c0d0: ios=4256/3441, merge=1102/61328, ticks=38448/1437584, in_queue=1476032, util=92.60%
5.01user 2.28system 0:16.45elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k
521592inputs+517760outputs (0major+2459minor)pagefaults 0swaps