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
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=14713, got signal=6
Threads: 2: [_FF] [100.0% done] [  4091/101571 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: [_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: [_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: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [86.7% done] [ 53113/     0 kb/s] [eta 00m:02s]
Threads: 2: [_VV] [100.0% done] [ 62058/     0 kb/s] [eta 00m:00s]
Threads: 1: [_V_] [100.0% done] [ 51002/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14713
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=55.9%, 2=37.6%, 4=3.4%, 8=3.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=89.9%, 4=4.9%, 10=1.3%, 20=0.2%, 50=0.3%, 100=3.3%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14714
  read : io=100MiB, bw=6,870KiB/s, runt= 15261msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  337, avg=16.38, stdev=37.46
    bw (KiB/s) : min=   13, max=39993, per=117.33%, avg=16320.90, stdev=15490.30
  write: io=94,180KiB, bw=7,936KiB/s, runt= 12151msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   66, avg= 0.97, stdev= 3.14
    bw (KiB/s) : min=    0, max=62020, per=132.37%, avg=30196.80, stdev=30821.81
  cpu          : usr=13.26%, sys=5.95%, ctx=6016
  IO depths    : 1=1.5%, 2=62.3%, 4=25.7%, 8=10.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=44.3%, 4=22.2%, 10=21.5%, 20=3.4%, 50=4.0%, 100=1.7%
     lat (msec): 250=2.7%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14715
  read : io=100MiB, bw=7,102KiB/s, runt= 14763msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  209, avg=18.83, stdev=32.65
    bw (KiB/s) : min=   12, max=42148, per=141.46%, avg=19677.33, stdev=13207.04
  write: io=76,684KiB, bw=6,462KiB/s, runt= 12151msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   71, avg= 0.17, stdev= 2.90
    bw (KiB/s) : min=    0, max=129531, per=283.90%, avg=64765.50, stdev=91592.25
  cpu          : usr=5.99%, sys=4.47%, ctx=10824
  IO depths    : 1=47.4%, 2=14.8%, 4=24.5%, 8=13.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=53.4%, 4=8.8%, 10=23.9%, 20=3.2%, 50=1.5%, 100=6.3%
     lat (msec): 250=2.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=202MiB, aggrb=13,910KiB/s, minb=0KiB/s, maxb=7,102KiB/s, mint=14763msec, maxt=15261msec
  WRITE: io=264MiB, aggrb=22,813KiB/s, minb=0KiB/s, maxb=7,936KiB/s, mint=14763msec, maxt=15261msec

Disk stats (read/write):
  cciss!c0d0: ios=4091/3434, merge=849/64210, ticks=24456/1435096, in_queue=1459664, util=96.45%
4.39user 2.04system 0:15.58elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
500256inputs+541520outputs (0major+2455minor)pagefaults 0swaps