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: [Fmm] [42.9% done] [  7952/ 36673 kb/s] [eta 00m:04s]
Threads: 3: [Fmm] [44.4% done] [  4165/     0 kb/s] [eta 00m:05s]
Threads: 3: [Fmm] [55.6% done] [  2442/ 14965 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [60.0% done] [  1275/ 13746 kb/s] [eta 00m:04s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [FFF] [100.0% done] [   536/ 16652 kb/s] [eta 00m:00s]
fio: pid=23838, got signal=6
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: [VF_] [73.3% done] [  9008/     0 kb/s] [eta 00m:04s]
Threads: 2: [VF_] [100.0% done] [ 56819/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [ 33801/     0 kb/s] [eta 00m:00s]
Threads: 1: [_V_] [73.7% done] [  5237/     0 kb/s] [eta 00m:05s]
Threads: 1: [_V_] [100.0% done] [ 66425/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=23836
  read : io=100MiB, bw=8,328KiB/s, runt= 12590msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  155, avg= 6.95, stdev=16.94
    bw (KiB/s) : min=    9, max=69984, per=207.16%, avg=30978.67, stdev=31813.90
  write: io=98,040KiB, bw=9,292KiB/s, runt= 10804msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  123, avg= 1.00, stdev= 5.64
    bw (KiB/s) : min=    0, max=59793, per=183.95%, avg=35728.00, stdev=32502.65
  cpu          : usr=17.38%, sys=6.32%, ctx=5174
  IO depths    : 1=6.6%, 2=61.8%, 4=24.3%, 8=7.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=54.9%, 4=22.8%, 10=17.8%, 20=1.1%, 50=0.5%, 100=2.4%
     lat (msec): 250=0.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=23837
  read : io=100MiB, bw=6,830KiB/s, runt= 15339msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  399, avg=20.41, stdev=50.36
    bw (KiB/s) : min=    0, max=64274, per=84.55%, avg=12643.31, stdev=22875.22
  write: io=83,648KiB, bw=6,137KiB/s, runt= 13956msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  271, avg= 1.85, stdev=15.71
    bw (KiB/s) : min=    0, max=27208, per=64.24%, avg=12477.00, stdev=11686.83
  cpu          : usr=11.27%, sys=4.80%, ctx=7036
  IO depths    : 1=20.7%, 2=39.6%, 4=25.3%, 8=14.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=53.4%, 4=14.1%, 10=19.8%, 20=1.8%, 50=3.9%, 100=3.4%
     lat (msec): 250=2.8%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=23838
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=15.6%, 2=66.4%, 4=2.6%, 8=15.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=76.8%, 4=5.4%, 10=0.7%, 20=0.3%, 50=0.7%, 100=7.3%
     lat (msec): 250=6.2%, 500=2.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=219MiB, aggrb=14,954KiB/s, minb=0KiB/s, maxb=8,328KiB/s, mint=0msec, maxt=15339msec
  WRITE: io=259MiB, aggrb=19,423KiB/s, minb=0KiB/s, maxb=9,292KiB/s, mint=0msec, maxt=15339msec

Disk stats (read/write):
  cciss!c0d0: ios=1765/3581, merge=6213/62470, ticks=75872/1632240, in_queue=1709356, util=94.40%
5.32user 1.96system 0:15.67elapsed 46%CPU (0avgtext+0avgdata 0maxresident)k
495176inputs+529480outputs (0major+2449minor)pagefaults 0swaps