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=524, got signal=6
Threads: 2: [mm_] [20.0% done] [ 16737/ 25579 kb/s] [eta 00m:12s]
Threads: 2: [mm_] [26.7% done] [ 17352/     0 kb/s] [eta 00m:11s]
Threads: 2: [mm_] [45.5% done] [ 12153/ 25129 kb/s] [eta 00m:06s]
Threads: 2: [mm_] [46.2% done] [  7321/     0 kb/s] [eta 00m:07s]
Threads: 2: [mm_] [63.6% done] [  2879/ 37640 kb/s] [eta 00m:04s]
Threads: 2: [Fm_] [66.7% done] [  3725/  4197 kb/s] [eta 00m:04s]
Threads: 2: [FF_] [100.0% done] [   622/  5596 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_] [75.0% done] [ 19812/     0 kb/s] [eta 00m:05s]
Threads: 2: [VV_] [88.9% done] [ 43205/     0 kb/s] [eta 00m:02s]
Threads: 2: [VV_] [100.0% done] [ 43933/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=522
  read : io=100MiB, bw=6,038KiB/s, runt= 17358msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  351, avg=42.18, stdev=52.83
    bw (KiB/s) : min=    0, max=27279, per=75.75%, avg=9223.40, stdev=8529.50
  write: io=62,324KiB, bw=4,408KiB/s, runt= 14475msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  169, avg= 1.96, stdev=12.30
    bw (KiB/s) : min=    0, max=23011, per=61.16%, avg=9339.67, stdev=12101.61
  cpu          : usr=7.54%, sys=3.87%, ctx=9250
  IO depths    : 1=26.7%, 2=19.5%, 4=27.8%, 8=26.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=36.3%, 4=10.0%, 10=16.0%, 20=8.6%, 50=9.7%, 100=8.3%
     lat (msec): 250=10.5%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=523
  read : io=100MiB, bw=6,079KiB/s, runt= 17248msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  298, avg=47.48, stdev=57.40
    bw (KiB/s) : min=   35, max=21107, per=69.92%, avg=8513.24, stdev=6905.23
  write: io=52,784KiB, bw=3,734KiB/s, runt= 14475msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  207, avg= 1.73, stdev=11.72
    bw (KiB/s) : min=    0, max=14126, per=52.44%, avg=8007.33, stdev=7249.91
  cpu          : usr=6.38%, sys=3.57%, ctx=6453
  IO depths    : 1=0.4%, 2=44.8%, 4=28.0%, 8=26.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=37.5%, 4=8.6%, 10=18.5%, 20=8.6%, 50=3.1%, 100=11.3%
     lat (msec): 250=11.7%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=524
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=84.4%, 2=10.9%, 4=1.8%, 8=2.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=95.8%, 4=0.5%, 10=0.1%, 20=0.1%, 50=0.7%, 100=1.5%
     lat (msec): 250=1.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=202MiB, aggrb=12,176KiB/s, minb=0KiB/s, maxb=6,079KiB/s, mint=0msec, maxt=17358msec
  WRITE: io=211MiB, aggrb=15,270KiB/s, minb=0KiB/s, maxb=4,408KiB/s, mint=0msec, maxt=17358msec

Disk stats (read/write):
  cciss!c0d0: ios=4753/3144, merge=1086/50730, ticks=43128/1443764, in_queue=1486956, util=98.28%
3.67user 1.76system 0:17.68elapsed 30%CPU (0avgtext+0avgdata 0maxresident)k
559168inputs+431760outputs (0major+2447minor)pagefaults 0swaps