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] [37.5% done] [ 14307/104732 kb/s] [eta 00m:05s]
Threads: 3: [mmF] [40.0% done] [  3880/ 20386 kb/s] [eta 00m:06s]
Threads: 3: [mmF] [50.0% done] [  2974/ 15148 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [50.0% done] [  1487/  5745 kb/s] [eta 00m:06s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=5378, got signal=6
Threads: 2: [F_F] [100.0% done] [   345/ 28460 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [81.2% done] [ 42634/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_V] [93.3% done] [ 69050/     0 kb/s] [eta 00m:01s]
fio: (groupid=0): err= 0: pid=5377
  read : io=100MiB, bw=6,920KiB/s, runt= 15151msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  272, avg=27.48, stdev=53.33
    bw (KiB/s) : min=    0, max=31680, per=64.14%, avg=10347.57, stdev=10776.39
  write: io=78,724KiB, bw=6,488KiB/s, runt= 12424msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  151, avg= 1.70, stdev= 9.89
    bw (KiB/s) : min=    0, max=60309, per=122.36%, avg=24061.25, stdev=25884.78
  cpu          : usr=10.98%, sys=4.70%, ctx=5241
  IO depths    : 1=3.3%, 2=58.5%, 4=24.5%, 8=13.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.5%, 4=17.9%, 10=20.8%, 20=2.8%, 50=0.7%, 100=3.3%
     lat (msec): 250=6.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5378
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=1.5%, 2=74.1%, 4=3.4%, 8=21.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=65.1%, 4=9.7%, 10=2.0%, 20=0.5%, 50=4.5%, 100=8.9%
     lat (msec): 250=6.7%, 500=2.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5379
  read : io=100MiB, bw=7,136KiB/s, runt= 14694msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  213, avg=14.02, stdev=28.82
    bw (KiB/s) : min=    5, max=50061, per=135.26%, avg=21820.50, stdev=21630.66
  write: io=91,476KiB, bw=7,537KiB/s, runt= 12428msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   10, avg= 0.02, stdev= 0.36
    bw (KiB/s) : min=    0, max=60153, per=134.44%, avg=26437.00, stdev=30730.01
  cpu          : usr=11.46%, sys=4.52%, ctx=9683
  IO depths    : 1=50.1%, 2=14.5%, 4=24.6%, 8=10.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=57.8%, 4=14.5%, 10=16.6%, 20=2.2%, 50=3.9%, 100=3.2%
     lat (msec): 250=1.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=233MiB, aggrb=16,132KiB/s, minb=0KiB/s, maxb=7,136KiB/s, mint=14694msec, maxt=15151msec
  WRITE: io=233MiB, aggrb=19,665KiB/s, minb=0KiB/s, maxb=7,537KiB/s, mint=14694msec, maxt=15151msec

Disk stats (read/write):
  cciss!c0d0: ios=1566/3467, merge=10118/56015, ticks=83220/1323972, in_queue=1411512, util=97.78%
4.57user 1.72system 0:15.43elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k
545912inputs+477432outputs (0major+2443minor)pagefaults 0swaps