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] [8.6% done] [ 13003/  3546 kb/s] [eta 00m:32s]
Threads: 3: [mmm] [11.8% done] [  5445/ 13141 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [14.7% done] [  2925/ 12592 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [16.7% done] [ 11047/  4502 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [19.4% done] [  6516/  9103 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [22.2% done] [  5747/  9286 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [25.0% done] [ 10217/  4303 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [27.8% done] [  4559/  8387 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [29.7% done] [ 10780/  1572 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [32.4% done] [ 10205/  2863 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [35.1% done] [ 12145/   658 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [37.8% done] [  4376/  6245 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [40.5% done] [ 11930/     0 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [42.1% done] [  5554/  4583 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [44.7% done] [  2468/  7065 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [47.4% done] [  6170/  4279 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [50.0% done] [  8114/  1576 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [52.6% done] [  4868/  3929 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [53.8% done] [  1163/  7154 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [56.4% done] [  4510/  4059 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [59.0% done] [  6070/  1796 kb/s] [eta 00m:16s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=12945, got signal=6
Threads: 2: [m_m] [60.0% done] [  7146/   333 kb/s] [eta 00m:16s]
Threads: 2: [m_V] [64.1% done] [  2970/  4616 kb/s] [eta 00m:14s]
Threads: 2: [m_V] [65.0% done] [ 14923/  1118 kb/s] [eta 00m:14s]
Threads: 2: [m_V] [67.5% done] [ 18617/  1610 kb/s] [eta 00m:13s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=12944, got signal=6

fio: (groupid=0): err= 0: pid=12944
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.2%, 4=12.2%, 8=87.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.1%, 20=2.7%, 50=40.5%, 100=15.9%
     lat (msec): 250=11.2%, 500=28.6%, 750=0.8%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12945
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=0.2%, 4=18.7%, 8=81.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.0%, 4=0.0%, 10=0.2%, 20=7.0%, 50=49.2%, 100=6.6%
     lat (msec): 250=15.8%, 500=20.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12946
  read : io=100MiB, bw=3,736KiB/s, runt= 27959msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  404, avg=78.15, stdev=94.95
    bw (KiB/s) : min=   64, max=20015, per=59.31%, avg=4691.14, stdev=5078.75
  write: io=45,100KiB, bw=1,881KiB/s, runt= 24543msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    8, max=  280, avg=125.33, stdev=104.45
    bw (KiB/s) : min=    0, max= 6523, per=44.23%, avg=2507.61, stdev=2024.86
  cpu          : usr=1.14%, sys=0.29%, ctx=9214
  IO depths    : 1=0.1%, 2=1.4%, 4=25.4%, 8=73.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=1.2%, 10=7.6%, 20=12.0%, 50=42.5%, 100=7.1%
     lat (msec): 250=10.8%, 500=18.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=211MiB, aggrb=7,910KiB/s, minb=0KiB/s, maxb=3,736KiB/s, mint=27959msec, maxt=27959msec
  WRITE: io=133MiB, aggrb=5,670KiB/s, minb=0KiB/s, maxb=1,881KiB/s, mint=27959msec, maxt=27959msec

Disk stats (read/write):
  cciss!c0d0: ios=4023/2390, merge=528/605, ticks=52808/50604, in_queue=103404, util=99.47%
0.76user 0.34system 0:28.31elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
432024inputs+271872outputs (0major+2474minor)pagefaults 0swaps