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=11411, got signal=6
Threads: 2: [F_F] [100.0% done] [   317/ 37348 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] [ 56697/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_V] [100.0% done] [ 66263/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 69050/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=11410
  read : io=100MiB, bw=7,381KiB/s, runt= 14197msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  293, avg=14.07, stdev=34.64
    bw (KiB/s) : min=    9, max=38098, per=141.39%, avg=21522.75, stdev=17108.90
  write: io=99,592KiB, bw=9,161KiB/s, runt= 11131msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   75, avg= 0.35, stdev= 2.71
    bw (KiB/s) : min=    0, max=58957, per=122.97%, avg=32540.33, stdev=29951.74
  cpu          : usr=10.88%, sys=4.90%, ctx=9290
  IO depths    : 1=34.7%, 2=31.7%, 4=25.7%, 8=7.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=58.4%, 4=14.5%, 10=18.5%, 20=3.0%, 50=0.8%, 100=1.8%
     lat (msec): 250=2.7%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11411
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=22.9%, 2=67.5%, 4=3.5%, 8=6.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=75.4%, 4=12.6%, 10=4.5%, 20=0.1%, 50=2.5%, 100=2.8%
     lat (msec): 250=2.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11412
  read : io=100MiB, bw=7,392KiB/s, runt= 14184msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  291, avg=15.82, stdev=35.12
    bw (KiB/s) : min=    2, max=42034, per=129.09%, avg=19650.11, stdev=15647.46
  write: io=92,072KiB, bw=8,469KiB/s, runt= 11132msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   91, avg= 0.32, stdev= 3.84
    bw (KiB/s) : min=    0, max=113524, per=166.59%, avg=44082.67, stdev=60862.31
  cpu          : usr=9.73%, sys=5.16%, ctx=8612
  IO depths    : 1=27.1%, 2=39.7%, 4=24.3%, 8=8.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=59.0%, 4=12.1%, 10=19.8%, 20=1.8%, 50=0.9%, 100=2.8%
     lat (msec): 250=3.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=206MiB, aggrb=15,222KiB/s, minb=0KiB/s, maxb=7,392KiB/s, mint=14184msec, maxt=14197msec
  WRITE: io=281MiB, aggrb=26,461KiB/s, minb=0KiB/s, maxb=9,161KiB/s, mint=14184msec, maxt=14197msec

Disk stats (read/write):
  cciss!c0d0: ios=3650/3352, merge=1115/68398, ticks=23288/1325244, in_queue=1352196, util=94.33%
4.32user 1.78system 0:14.51elapsed 42%CPU (0avgtext+0avgdata 0maxresident)k
458344inputs+575528outputs (0major+2451minor)pagefaults 0swaps