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=28479, got signal=6
Threads: 2: [mm_] [30.0% done] [ 13085/ 96217 kb/s] [eta 00m:07s]
Threads: 2: [Fm_] [50.0% done] [  7887/ 39123 kb/s] [eta 00m:04s]
Threads: 2: [Fm_] [62.5% done] [  1472/ 17234 kb/s] [eta 00m:03s]
Threads: 2: [FF_] [100.0% done] [  1232/  8867 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_] [82.4% done] [ 51893/     0 kb/s] [eta 00m:03s]
Threads: 2: [VV_] [100.0% done] [ 59487/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=28477
  read : io=100MiB, bw=6,535KiB/s, runt= 16044msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  234, avg=20.49, stdev=40.28
    bw (KiB/s) : min=    0, max=39570, per=109.39%, avg=15025.42, stdev=14474.88
  write: io=87,708KiB, bw=6,800KiB/s, runt= 13207msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  131, avg= 1.23, stdev= 7.30
    bw (KiB/s) : min=    0, max=58245, per=126.27%, avg=24528.75, stdev=24647.59
  cpu          : usr=12.27%, sys=4.44%, ctx=10792
  IO depths    : 1=39.4%, 2=28.1%, 4=22.1%, 8=10.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=54.5%, 4=13.8%, 10=18.8%, 20=2.8%, 50=1.2%, 100=3.8%
     lat (msec): 250=4.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=28478
  read : io=100MiB, bw=6,614KiB/s, runt= 15852msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  245, avg=30.90, stdev=48.78
    bw (KiB/s) : min=   22, max=33885, per=81.63%, avg=11212.31, stdev=11725.07
  write: io=71,072KiB, bw=5,510KiB/s, runt= 13207msec
    slat (msec): min=    0, max=    1, avg= 0.00, stdev= 0.03
    clat (msec): min=    0, max=  171, avg= 1.86, stdev=12.34
    bw (KiB/s) : min=    0, max=22784, per=60.30%, avg=11714.25, stdev=10155.17
  cpu          : usr=9.06%, sys=4.64%, ctx=9031
  IO depths    : 1=27.5%, 2=28.7%, 4=26.6%, 8=17.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.2%, 4=9.2%, 10=23.0%, 20=4.4%, 50=2.9%, 100=6.7%
     lat (msec): 250=7.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=28479
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=79.3%, 2=14.6%, 4=1.4%, 8=4.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=91.4%, 4=2.2%, 10=0.4%, 20=0.0%, 50=0.5%, 100=2.9%
     lat (msec): 250=1.8%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=210MiB, aggrb=13,736KiB/s, minb=0KiB/s, maxb=6,614KiB/s, mint=0msec, maxt=16044msec
  WRITE: io=245MiB, aggrb=19,426KiB/s, minb=0KiB/s, maxb=6,800KiB/s, mint=0msec, maxt=16044msec

Disk stats (read/write):
  cciss!c0d0: ios=4423/3272, merge=903/59238, ticks=33996/1385248, in_queue=1420108, util=96.47%
4.68user 1.81system 0:16.34elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
548928inputs+501120outputs (0major+2456minor)pagefaults 0swaps