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] [13.0% done] [ 17124/ 68875 kb/s] [eta 00m:20s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=29975, got signal=6
Threads: 2: [mm_] [19.0% done] [ 17827/  6101 kb/s] [eta 00m:17s]
Threads: 2: [mm_] [26.3% done] [ 15599/ 24254 kb/s] [eta 00m:14s]
Threads: 2: [mm_] [40.0% done] [  4722/ 18564 kb/s] [eta 00m:09s]
Threads: 2: [mm_] [43.8% done] [  4620/ 27298 kb/s] [eta 00m:09s]
Threads: 2: [mm_] [47.1% done] [  5164/  5680 kb/s] [eta 00m:09s]
Threads: 2: [Fm_] [50.0% done] [  2338/ 11376 kb/s] [eta 00m:09s]
Threads: 2: [Fm_] [62.5% done] [  1101/ 17517 kb/s] [eta 00m:06s]
Threads: 2: [FF_] [100.0% done] [     0/  8981 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_] [71.4% done] [ 16567/     0 kb/s] [eta 00m:06s]
Threads: 2: [VV_] [84.2% done] [ 42863/     0 kb/s] [eta 00m:03s]
Threads: 2: [VV_] [100.0% done] [ 42810/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=29973
  read : io=100MiB, bw=6,060KiB/s, runt= 17291msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  355, avg=48.14, stdev=65.41
    bw (KiB/s) : min=   23, max=26079, per=70.68%, avg=8881.25, stdev=7997.95
  write: io=58,056KiB, bw=4,074KiB/s, runt= 14591msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  195, avg= 2.02, stdev=14.30
    bw (KiB/s) : min=    0, max=21337, per=87.05%, avg=12512.33, stdev=11136.25
  cpu          : usr=6.48%, sys=3.82%, ctx=6888
  IO depths    : 1=7.1%, 2=39.9%, 4=29.1%, 8=24.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=39.0%, 4=8.1%, 10=20.4%, 20=9.7%, 50=2.3%, 100=6.6%
     lat (msec): 250=12.6%, 500=1.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=29974
  read : io=100MiB, bw=6,011KiB/s, runt= 17443msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  383, avg=58.06, stdev=73.21
    bw (KiB/s) : min=    6, max=27295, per=61.29%, avg=7701.36, stdev=7194.68
  write: io=53,804KiB, bw=3,774KiB/s, runt= 14595msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  174, avg= 1.53, stdev=12.56
    bw (KiB/s) : min=    0, max=19152, per=56.16%, avg=8072.67, stdev=9923.70
  cpu          : usr=6.01%, sys=3.92%, ctx=8797
  IO depths    : 1=23.9%, 2=21.9%, 4=27.8%, 8=26.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=41.8%, 4=5.6%, 10=18.1%, 20=8.8%, 50=1.6%, 100=6.6%
     lat (msec): 250=16.0%, 500=1.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=29975
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=91.4%, 4=3.7%, 8=4.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=78.1%, 4=14.5%, 10=1.8%, 20=0.1%, 50=0.1%, 100=0.4%
     lat (msec): 250=4.2%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=209MiB, aggrb=12,566KiB/s, minb=0KiB/s, maxb=6,060KiB/s, mint=0msec, maxt=17443msec
  WRITE: io=200MiB, aggrb=14,374KiB/s, minb=0KiB/s, maxb=4,074KiB/s, mint=0msec, maxt=17443msec

Disk stats (read/write):
  cciss!c0d0: ios=5124/3069, merge=1080/48026, ticks=57720/1429752, in_queue=1490020, util=98.45%
3.60user 1.75system 0:17.78elapsed 30%CPU (0avgtext+0avgdata 0maxresident)k
622480inputs+409776outputs (0major+2450minor)pagefaults 0swaps