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=14503, got signal=6
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 2: [F_F] [100.0% done] [  3115/ 89172 kb/s] [eta 00m:00s]
fio: pid=14504, got signal=6
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] [ 63986/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14502
  read : io=100MiB, bw=7,667KiB/s, runt= 13674msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   87, avg= 6.31, stdev=11.26
    bw (KiB/s) : min=    4, max=71557, per=372.23%, avg=34606.17, stdev=35996.50
  write: io=99,572KiB, bw=8,444KiB/s, runt= 12075msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   75, avg= 0.83, stdev= 3.35
    bw (KiB/s) : min=    0, max=61169, per=155.55%, avg=37275.25, stdev=29634.66
  cpu          : usr=14.51%, sys=6.41%, ctx=6770
  IO depths    : 1=15.2%, 2=51.9%, 4=24.8%, 8=8.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.6%, 4=21.2%, 10=23.1%, 20=2.9%, 50=1.3%, 100=1.7%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14503
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=90.0%, 4=3.9%, 8=5.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=78.7%, 4=13.2%, 10=1.3%, 20=0.1%, 50=2.3%, 100=2.8%
     lat (msec): 250=1.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14504
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=15.1%, 2=71.7%, 4=6.0%, 8=7.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=84.3%, 4=5.1%, 10=2.4%, 20=0.4%, 50=0.7%, 100=4.3%
     lat (msec): 250=2.1%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=121MiB, aggrb=9,297KiB/s, minb=0KiB/s, maxb=7,667KiB/s, mint=0msec, maxt=13674msec
  WRITE: io=276MiB, aggrb=23,964KiB/s, minb=0KiB/s, maxb=8,444KiB/s, mint=0msec, maxt=13674msec

Disk stats (read/write):
  cciss!c0d0: ios=2192/3881, merge=392/66453, ticks=11076/1383624, in_queue=1401744, util=89.22%
4.53user 1.52system 0:14.46elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
273336inputs+565240outputs (0major+2467minor)pagefaults 0swaps