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] [37.5% done] [ 15834/ 84275 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [40.0% done] [  4002/ 35035 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [41.7% done] [  1744/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [50.0% done] [  1590/ 11089 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [53.8% done] [  1423/  3095 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [53.3% done] [   850/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [60.0% done] [  1106/  5458 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [62.5% done] [   557/  8244 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [64.7% done] [  1159/     0 kb/s] [eta 00m:06s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=30766, got signal=6
Threads: 2: [VV_] [75.0% done] [ 17249/  5518 kb/s] [eta 00m:04s]
Threads: 2: [VV_] [92.9% done] [ 69831/     0 kb/s] [eta 00m:01s]
Threads: 2: [VV_] [100.0% done] [ 63445/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=30764
  read : io=100MiB, bw=7,164KiB/s, runt= 14635msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  219, avg=21.03, stdev=39.75
    bw (KiB/s) : min=    9, max=38174, per=110.51%, avg=18907.50, stdev=12293.70
  write: io=81,384KiB, bw=7,079KiB/s, runt= 11771msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   94, avg= 0.80, stdev= 4.45
    bw (KiB/s) : min=    0, max=80617, per=231.21%, avg=47308.33, stdev=42092.38
  cpu          : usr=9.68%, sys=4.73%, ctx=5113
  IO depths    : 1=1.9%, 2=56.9%, 4=28.8%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.0%, 4=17.3%, 10=20.4%, 20=2.9%, 50=0.6%, 100=4.1%
     lat (msec): 250=4.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30765
  read : io=100MiB, bw=7,161KiB/s, runt= 14642msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  237, avg=18.39, stdev=38.95
    bw (KiB/s) : min=    4, max=44179, per=101.36%, avg=17341.55, stdev=17083.59
  write: io=91,388KiB, bw=7,950KiB/s, runt= 11771msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  115, avg= 1.62, stdev= 7.39
    bw (KiB/s) : min=    0, max=61774, per=135.48%, avg=27720.50, stdev=25483.08
  cpu          : usr=13.36%, sys=5.38%, ctx=6876
  IO depths    : 1=17.3%, 2=46.8%, 4=25.3%, 8=10.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.2%, 4=23.3%, 10=18.3%, 20=1.4%, 50=0.7%, 100=3.8%
     lat (msec): 250=4.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30766
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.4%, 2=63.4%, 4=5.0%, 8=31.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.7%, 4=11.2%, 10=1.6%, 20=0.1%, 50=5.9%, 100=13.1%
     lat (msec): 250=5.6%, 500=10.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=239MiB, aggrb=17,109KiB/s, minb=0KiB/s, maxb=7,164KiB/s, mint=0msec, maxt=14642msec
  WRITE: io=230MiB, aggrb=20,461KiB/s, minb=0KiB/s, maxb=7,950KiB/s, mint=0msec, maxt=14642msec

Disk stats (read/write):
  cciss!c0d0: ios=1889/2766, merge=2544/55765, ticks=133496/1237264, in_queue=1507912, util=98.29%
4.53user 1.88system 0:14.94elapsed 42%CPU (0avgtext+0avgdata 0maxresident)k
555696inputs+470440outputs (0major+2446minor)pagefaults 0swaps