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] [27.3% done] [ 17903/ 24710 kb/s] [eta 00m:08s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [mmF] [50.0% done] [ 10382/ 78957 kb/s] [eta 00m:04s]
fio: pid=23681, got signal=6
Threads: 2: [Fm_] [71.4% done] [  1633/ 57575 kb/s] [eta 00m:02s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=23680, got signal=6
Threads: 1: [F__] [100.0% done] [   195/  4961 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [93.8% done] [ 39208/     0 kb/s] [eta 00m:01s]
fio: (groupid=0): err= 0: pid=23679
  read : io=100MiB, bw=6,621KiB/s, runt= 15834msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  254, avg=18.54, stdev=38.28
    bw (KiB/s) : min=    0, max=56336, per=161.54%, avg=14746.91, stdev=20576.08
  write: io=77,108KiB, bw=5,504KiB/s, runt= 14345msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  119, avg= 1.50, stdev= 6.61
    bw (KiB/s) : min=    0, max=59604, per=156.25%, avg=27111.75, stdev=24538.07
  cpu          : usr=10.21%, sys=4.12%, ctx=5915
  IO depths    : 1=2.3%, 2=55.6%, 4=28.1%, 8=13.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=42.0%, 4=18.6%, 10=26.2%, 20=4.4%, 50=1.9%, 100=2.4%
     lat (msec): 250=4.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=23680
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=1.8%, 2=71.2%, 4=10.2%, 8=16.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=59.1%, 4=16.4%, 10=4.8%, 20=0.7%, 50=3.6%, 100=7.9%
     lat (msec): 250=6.7%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=23681
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=6.4%, 2=52.4%, 4=26.1%, 8=15.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=26.6%, 4=25.4%, 10=36.9%, 20=0.8%, 50=0.2%, 100=5.8%
     lat (msec): 250=3.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=138MiB, aggrb=9,129KiB/s, minb=0KiB/s, maxb=6,621KiB/s, mint=0msec, maxt=15834msec
  WRITE: io=237MiB, aggrb=17,352KiB/s, minb=0KiB/s, maxb=5,504KiB/s, mint=0msec, maxt=15834msec

Disk stats (read/write):
  cciss!c0d0: ios=2999/3615, merge=800/56947, ticks=23936/1383908, in_queue=1409972, util=90.69%
4.12user 1.47system 0:16.16elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k
368016inputs+486208outputs (0major+2470minor)pagefaults 0swaps