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: [mFF] [50.0% done] [  3319/ 13417 kb/s] [eta 00m:03s]
Threads: 3: [mFF] [66.7% done] [   654/ 20272 kb/s] [eta 00m:02s]
Threads: 3: [mFF] [62.5% done] [   776/     0 kb/s] [eta 00m:03s]
Threads: 3: [mFF] [66.7% done] [  1556/     0 kb/s] [eta 00m:03s]
Threads: 3: [mFF] [63.6% done] [   955/     0 kb/s] [eta 00m:04s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=30490, got signal=6
Threads: 2: [_FF] [100.0% done] [   650/  6773 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VF] [71.4% done] [    40/     0 kb/s] [eta 00m:04s]
Threads: 2: [_VF] [100.0% done] [ 56184/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [ 47815/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 60131/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=30490
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=79.4%, 4=4.7%, 8=15.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=67.3%, 4=12.7%, 10=1.6%, 20=0.1%, 50=2.0%, 100=4.1%
     lat (msec): 250=7.0%, 500=5.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30491
  read : io=100MiB, bw=8,648KiB/s, runt= 12120msec
    clat (msec): min=    0, max=  146, avg= 6.30, stdev=15.12
    bw (KiB/s) : min=    4, max=64049, per=265.89%, avg=41253.25, stdev=28316.60
  write: io=100MiB, bw=10,461KiB/s, runt= 10023msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   12, avg= 0.72, stdev= 1.36
    bw (KiB/s) : min=    0, max=84721, per=221.70%, avg=48501.67, stdev=43675.55
  cpu          : usr=14.03%, sys=6.01%, ctx=6707
  IO depths    : 1=18.4%, 2=48.3%, 4=27.1%, 8=6.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=52.5%, 4=23.7%, 10=19.4%, 20=1.4%, 50=1.5%, 100=0.8%
     lat (msec): 250=0.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30492
  read : io=100MiB, bw=7,087KiB/s, runt= 14794msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  227, avg= 9.38, stdev=26.11
    bw (KiB/s) : min=   22, max=71433, per=136.21%, avg=21132.57, stdev=32752.44
  write: io=96,828KiB, bw=7,507KiB/s, runt= 13207msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   99, avg= 1.52, stdev= 5.66
    bw (KiB/s) : min=    0, max=62660, per=129.76%, avg=28387.00, stdev=25826.53
  cpu          : usr=13.95%, sys=4.57%, ctx=5715
  IO depths    : 1=3.4%, 2=60.7%, 4=27.4%, 8=8.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.3%, 4=22.3%, 10=26.3%, 20=3.0%, 50=0.6%, 100=0.8%
     lat (msec): 250=1.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=219MiB, aggrb=15,515KiB/s, minb=0KiB/s, maxb=8,648KiB/s, mint=12120msec, maxt=14794msec
  WRITE: io=276MiB, aggrb=21,877KiB/s, minb=0KiB/s, maxb=10,461KiB/s, mint=12120msec, maxt=14794msec

Disk stats (read/write):
  cciss!c0d0: ios=3882/3868, merge=835/66570, ticks=20204/1660344, in_queue=1680544, util=94.66%
5.24user 1.72system 0:15.08elapsed 46%CPU (0avgtext+0avgdata 0maxresident)k
478152inputs+564472outputs (0major+2453minor)pagefaults 0swaps