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
Threads: 3: [mmm] [25.0% done] [ 10054/ 75957 kb/s] [eta 00m:09s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=14526, got signal=6
Threads: 2: [mm_] [30.8% done] [ 10258/ 17079 kb/s] [eta 00m:09s]
Threads: 2: [mF_] [33.3% done] [  2326/  6914 kb/s] [eta 00m:10s]
Threads: 2: [mF_] [33.3% done] [   276/   544 kb/s] [eta 00m:12s]
Threads: 2: [mF_] [33.3% done] [   170/     0 kb/s] [eta 00m:14s]
Threads: 2: [mF_] [34.8% done] [   264/  3355 kb/s] [eta 00m:15s]
Threads: 2: [mF_] [36.0% done] [   463/     0 kb/s] [eta 00m:16s]
Threads: 2: [mF_] [35.7% done] [   134/     0 kb/s] [eta 00m:18s]
Threads: 2: [mF_] [35.5% done] [   313/     0 kb/s] [eta 00m:20s]
Threads: 2: [mF_] [37.5% done] [  2474/   186 kb/s] [eta 00m:20s]
Threads: 2: [mV_] [38.2% done] [ 25502/     0 kb/s] [eta 00m:21s]
Threads: 2: [mV_] [38.9% done] [ 25478/     0 kb/s] [eta 00m:22s]
Threads: 2: [mV_] [39.5% done] [ 27911/     0 kb/s] [eta 00m:23s]
Threads: 1: [m__] [42.1% done] [ 23412/     0 kb/s] [eta 00m:22s]
Threads: 1: [m__] [58.6% done] [  9809/ 13978 kb/s] [eta 00m:12s]
Threads: 1: [F__] [100.0% done] [  1033/ 14037 kb/s] [eta 00m:00s]
Threads: 1: [V__] [67.9% done] [   841/     0 kb/s] [eta 00m:09s]
Threads: 1: [V__] [80.0% done] [ 16436/     0 kb/s] [eta 00m:05s]
Threads: 1: [V__] [91.3% done] [ 17461/     0 kb/s] [eta 00m:02s]
Threads: 1: [V__] [100.0% done] [ 18344/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14524
  read : io=100MiB, bw=4,669KiB/s, runt= 22458msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 2255, avg=81.95, stdev=215.31
    bw (KiB/s) : min=    2, max=20512, per=51.90%, avg=5091.68, stdev=6384.72
  write: io=55,896KiB, bw=3,005KiB/s, runt= 19043msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1949, avg=14.72, stdev=118.46
    bw (KiB/s) : min=    0, max=27339, per=48.87%, avg=6328.86, stdev=10115.19
  cpu          : usr=4.86%, sys=3.22%, ctx=8332
  IO depths    : 1=8.6%, 2=32.6%, 4=28.6%, 8=30.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=36.9%, 4=2.7%, 10=4.9%, 20=13.2%, 50=28.2%, 100=4.4%
     lat (msec): 250=5.0%, 500=2.4%, 750=0.9%, 1000=0.5%, >=2000=0.5%
fio: (groupid=0): err= 0: pid=14525
  read : io=100MiB, bw=6,621KiB/s, runt= 15783msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  455, avg=26.75, stdev=36.30
    bw (KiB/s) : min=    0, max=30336, per=145.08%, avg=14232.79, stdev=12460.77
  write: io=93,320KiB, bw=7,932KiB/s, runt= 12047msec
    slat (msec): min=    0, max=    1, avg= 0.00, stdev= 0.03
    clat (msec): min=    0, max=  335, avg= 1.47, stdev=17.56
    bw (KiB/s) : min=    0, max=58437, per=175.42%, avg=22717.00, stdev=25845.85
  cpu          : usr=9.43%, sys=5.04%, ctx=10355
  IO depths    : 1=46.5%, 2=5.8%, 4=29.6%, 8=18.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.9%, 4=3.6%, 10=9.9%, 20=14.6%, 50=17.2%, 100=4.1%
     lat (msec): 250=2.2%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14526
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=84.5%, 2=0.7%, 4=4.6%, 8=10.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=84.5%, 4=0.2%, 10=0.3%, 20=2.5%, 50=5.6%, 100=2.9%
     lat (msec): 250=2.7%, 500=0.8%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=210MiB, aggrb=9,810KiB/s, minb=0KiB/s, maxb=6,621KiB/s, mint=0msec, maxt=22458msec
  WRITE: io=235MiB, aggrb=12,950KiB/s, minb=0KiB/s, maxb=7,932KiB/s, mint=0msec, maxt=22458msec

Disk stats (read/write):
  cciss!c0d0: ios=4540/3926, merge=48/56296, ticks=51964/1329596, in_queue=1381564, util=97.37%
3.97user 1.98system 0:22.81elapsed 26%CPU (0avgtext+0avgdata 0maxresident)k
534104inputs+481704outputs (0major+2472minor)pagefaults 0swaps