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] [30.0% done] [ 14973/ 69489 kb/s] [eta 00m:07s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=1608, got signal=6
Threads: 2: [m_m] [66.7% done] [ 12003/ 86512 kb/s] [eta 00m:02s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=1609, got signal=6
Threads: 1: [F__] [100.0% done] [   402/ 15180 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: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 43990/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=1607
  read : io=100MiB, bw=6,631KiB/s, runt= 15795msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  197, avg=17.35, stdev=32.12
    bw (KiB/s) : min=    1, max=62987, per=201.64%, avg=18909.50, stdev=25033.92
  write: io=84,344KiB, bw=6,115KiB/s, runt= 14123msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   94, avg= 1.03, stdev= 4.66
    bw (KiB/s) : min=    0, max=17468, per=59.70%, avg=10679.33, stdev=9361.40
  cpu          : usr=11.37%, sys=4.76%, ctx=5980
  IO depths    : 1=1.8%, 2=58.7%, 4=25.8%, 8=13.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=43.9%, 4=19.4%, 10=23.4%, 20=3.6%, 50=2.0%, 100=4.5%
     lat (msec): 250=2.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1608
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=78.4%, 4=9.5%, 8=11.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=73.6%, 4=12.2%, 10=0.8%, 20=0.0%, 50=0.8%, 100=5.6%
     lat (msec): 250=6.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1609
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=77.0%, 4=7.2%, 8=15.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=63.7%, 4=14.6%, 10=1.3%, 20=2.0%, 50=6.3%, 100=7.5%
     lat (msec): 250=4.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=141MiB, aggrb=9,378KiB/s, minb=0KiB/s, maxb=6,631KiB/s, mint=0msec, maxt=15795msec
  WRITE: io=241MiB, aggrb=17,887KiB/s, minb=0KiB/s, maxb=6,115KiB/s, mint=0msec, maxt=15795msec

Disk stats (read/write):
  cciss!c0d0: ios=2984/3759, merge=770/57795, ticks=21240/1451504, in_queue=1473140, util=95.90%
4.32user 1.62system 0:16.16elapsed 36%CPU (0avgtext+0avgdata 0maxresident)k
362856inputs+493568outputs (0major+2464minor)pagefaults 0swaps