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] [33.3% done] [ 12393/ 35896 kb/s] [eta 00m:06s]
Threads: 3: [mmF] [50.0% done] [ 11466/ 55985 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [50.0% done] [   614/     0 kb/s] [eta 00m:05s]
Threads: 3: [mmF] [50.0% done] [   203/     0 kb/s] [eta 00m:06s]
Threads: 3: [mmF] [50.0% done] [   463/     0 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [50.0% done] [   199/   207 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [50.0% done] [  1163/   244 kb/s] [eta 00m:09s]
Threads: 3: [mmF] [50.0% done] [   406/  8200 kb/s] [eta 00m:10s]
Threads: 3: [mmF] [50.0% done] [   443/   187 kb/s] [eta 00m:11s]
Threads: 3: [mmF] [52.2% done] [  1617/  2324 kb/s] [eta 00m:11s]
Threads: 3: [mmV] [65.0% done] [ 23160/ 21940 kb/s] [eta 00m:07s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=30390, got signal=6
Threads: 2: [m_V] [63.6% done] [ 23693/  1419 kb/s] [eta 00m:08s]
Threads: 2: [m_V] [65.2% done] [ 23961/   207 kb/s] [eta 00m:08s]
Threads: 1: [F__] [100.0% done] [ 20561/  3945 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__] [79.2% done] [ 18909/     0 kb/s] [eta 00m:05s]
Threads: 1: [V__] [95.2% done] [ 21452/     0 kb/s] [eta 00m:01s]
Threads: 1: [V__] [100.0% done] [ 20691/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 22887/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=30389
  read : io=100MiB, bw=4,728KiB/s, runt= 22175msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 2161, avg=72.55, stdev=198.45
    bw (KiB/s) : min=    1, max=24624, per=52.11%, avg=5361.66, stdev=8508.26
  write: io=82,864KiB, bw=4,660KiB/s, runt= 18207msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1589, avg=16.43, stdev=110.87
    bw (KiB/s) : min=    0, max=25649, per=38.54%, avg=5499.22, stdev=8954.78
  cpu          : usr=5.99%, sys=3.39%, ctx=10664
  IO depths    : 1=34.8%, 2=11.7%, 4=29.4%, 8=24.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=41.7%, 4=2.0%, 10=7.4%, 20=12.4%, 50=23.3%, 100=5.4%
     lat (msec): 250=3.6%, 500=1.5%, 750=1.2%, 1000=0.4%, >=2000=0.8%
fio: (groupid=0): err= 0: pid=30390
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=38.0%, 2=39.9%, 4=4.2%, 8=17.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=62.0%, 4=14.4%, 10=1.7%, 20=0.4%, 50=3.3%, 100=8.2%
     lat (msec): 250=5.8%, 500=1.1%, 750=1.1%, 1000=0.2%, >=2000=1.3%
fio: (groupid=0): err= 0: pid=30391
  read : io=100MiB, bw=6,632KiB/s, runt= 15808msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  252, avg=25.22, stdev=34.94
    bw (KiB/s) : min=    3, max=27507, per=147.48%, avg=15174.46, stdev=10059.60
  write: io=86,472KiB, bw=7,355KiB/s, runt= 12039msec
    slat (msec): min=    0, max=    1, avg= 0.00, stdev= 0.03
    clat (msec): min=    0, max=  241, avg= 0.95, stdev=11.90
    bw (KiB/s) : min=    0, max=55823, per=208.00%, avg=29677.75, stdev=29719.55
  cpu          : usr=9.54%, sys=4.53%, ctx=11476
  IO depths    : 1=50.3%, 2=5.6%, 4=27.8%, 8=16.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.4%, 4=2.9%, 10=9.2%, 20=16.9%, 50=14.1%, 100=1.9%
     lat (msec): 250=3.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=218MiB, aggrb=10,289KiB/s, minb=0KiB/s, maxb=6,632KiB/s, mint=15808msec, maxt=22175msec
  WRITE: io=248MiB, aggrb=14,268KiB/s, minb=0KiB/s, maxb=7,355KiB/s, mint=15808msec, maxt=22175msec

Disk stats (read/write):
  cciss!c0d0: ios=4410/3989, merge=52/59460, ticks=59332/1440844, in_queue=1500180, util=96.71%
4.30user 1.91system 0:22.86elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k
527048inputs+507440outputs (0major+2475minor)pagefaults 0swaps