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=26790, got signal=6
Threads: 2: [F_F] [100.0% done] [   549/ 45015 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [85.7% done] [ 56017/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_V] [100.0% done] [ 68716/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 66093/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=26789
  read : io=100MiB, bw=7,501KiB/s, runt= 13979msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  224, avg=12.61, stdev=30.01
    bw (KiB/s) : min=    0, max=40952, per=179.73%, avg=27653.14, stdev=16488.17
  write: io=97,100KiB, bw=8,850KiB/s, runt= 11235msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  164, avg= 0.86, stdev= 6.46
    bw (KiB/s) : min=    0, max=92168, per=196.49%, avg=51519.33, stdev=47035.77
  cpu          : usr=10.96%, sys=5.15%, ctx=9173
  IO depths    : 1=34.9%, 2=33.6%, 4=24.0%, 8=7.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=53.5%, 4=17.7%, 10=20.8%, 20=2.8%, 50=0.7%, 100=1.4%
     lat (msec): 250=2.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=26790
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=21.9%, 2=69.7%, 4=2.7%, 8=5.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=87.2%, 4=5.0%, 10=0.9%, 20=0.2%, 50=1.3%, 100=2.4%
     lat (msec): 250=2.5%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=26791
  read : io=100MiB, bw=7,370KiB/s, runt= 14226msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  234, avg=13.02, stdev=29.14
    bw (KiB/s) : min=    4, max=35397, per=137.19%, avg=21107.50, stdev=15275.37
  write: io=97,196KiB, bw=8,858KiB/s, runt= 11235msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   43, avg= 0.31, stdev= 1.79
    bw (KiB/s) : min=    0, max=67649, per=120.65%, avg=31635.00, stdev=34036.43
  cpu          : usr=11.16%, sys=4.98%, ctx=9838
  IO depths    : 1=40.7%, 2=27.2%, 4=24.4%, 8=7.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=54.9%, 4=15.2%, 10=22.6%, 20=1.6%, 50=0.6%, 100=2.1%
     lat (msec): 250=2.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=209MiB, aggrb=15,386KiB/s, minb=0KiB/s, maxb=7,501KiB/s, mint=14226msec, maxt=14226msec
  WRITE: io=281MiB, aggrb=26,220KiB/s, minb=0KiB/s, maxb=8,858KiB/s, mint=14226msec, maxt=14226msec

Disk stats (read/write):
  cciss!c0d0: ios=3686/3441, merge=696/68353, ticks=24488/1360164, in_queue=1385304, util=93.87%
4.24user 1.79system 0:14.59elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
467608inputs+575504outputs (0major+2454minor)pagefaults 0swaps