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: [Fmm] [20.0% done] [  3819/     0 kb/s] [eta 00m:12s]
Threads: 3: [Fmm] [21.1% done] [  1885/   239 kb/s] [eta 00m:15s]
Threads: 3: [Fmm] [20.8% done] [  2119/   337 kb/s] [eta 00m:19s]
Threads: 3: [Vmm] [23.1% done] [ 11466/   362 kb/s] [eta 00m:20s]
Threads: 3: [Vmm] [23.3% done] [ 25327/     0 kb/s] [eta 00m:23s]
Threads: 3: [Vmm] [24.2% done] [ 25657/     0 kb/s] [eta 00m:25s]
Threads: 3: [Vmm] [25.0% done] [ 28240/   524 kb/s] [eta 00m:27s]
Threads: 3: [Vmm] [25.6% done] [ 25869/   671 kb/s] [eta 00m:29s]
Threads: 2: [_mm] [39.3% done] [ 11018/ 33854 kb/s] [eta 00m:17s]
Threads: 2: [_mm] [60.0% done] [  8488/ 54759 kb/s] [eta 00m:08s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 2: [_FF] [100.0% done] [  1651/ 18633 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: pid=14216, got signal=6
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [_V_] [79.2% done] [ 15956/     0 kb/s] [eta 00m:05s]
Threads: 1: [_V_] [90.9% done] [ 20728/     0 kb/s] [eta 00m:02s]
Threads: 1: [_V_] [100.0% done] [ 19991/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14214
  read : io=100MiB, bw=10,368KiB/s, runt= 10113msec
    clat (msec): min=    0, max=   90, avg=18.20, stdev=16.56
    bw (KiB/s) : min=   15, max=27250, per=208.22%, avg=21576.00, stdev=8346.56
  write: io=100MiB, bw=18,581KiB/s, runt=  5643msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   16, avg= 0.26, stdev= 1.06
    bw (KiB/s) : min=    0, max=61718, per=293.42%, avg=40421.67, stdev=35023.02
  cpu          : usr=13.49%, sys=7.00%, ctx=9786
  IO depths    : 1=46.6%, 2=13.9%, 4=27.5%, 8=12.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.1%, 4=5.0%, 10=12.2%, 20=13.1%, 50=15.5%, 100=3.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14215
  read : io=100MiB, bw=4,603KiB/s, runt= 22704msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1281, avg=70.60, stdev=168.73
    bw (KiB/s) : min=   23, max=22133, per=62.88%, avg=6515.53, stdev=8058.71
  write: io=74,548KiB, bw=4,042KiB/s, runt= 18883msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  740, avg= 6.55, stdev=52.31
    bw (KiB/s) : min=    0, max=26323, per=40.52%, avg=5582.67, stdev=10444.14
  cpu          : usr=5.88%, sys=3.38%, ctx=7634
  IO depths    : 1=0.3%, 2=46.4%, 4=29.6%, 8=23.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=36.5%, 4=8.6%, 10=5.1%, 20=13.0%, 50=25.4%, 100=3.8%
     lat (msec): 250=3.8%, 500=0.7%, 750=1.6%, 1000=0.7%, >=2000=0.4%
fio: (groupid=0): err= 0: pid=14216
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=9.6%, 2=68.7%, 4=5.6%, 8=16.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=70.6%, 4=7.2%, 10=0.7%, 20=1.5%, 50=3.4%, 100=4.9%
     lat (msec): 250=5.6%, 500=1.9%, 750=2.5%, 1000=0.8%, >=2000=0.7%

Run status group 0 (all jobs):
   READ: io=224MiB, aggrb=10,362KiB/s, minb=0KiB/s, maxb=10,368KiB/s, mint=0msec, maxt=22704msec
  WRITE: io=248MiB, aggrb=13,776KiB/s, minb=0KiB/s, maxb=18,581KiB/s, mint=0msec, maxt=22704msec

Disk stats (read/write):
  cciss!c0d0: ios=4300/4329, merge=763/59258, ticks=71636/1560096, in_queue=1631728, util=92.21%
4.08user 1.89system 0:23.81elapsed 25%CPU (0avgtext+0avgdata 0maxresident)k
534840inputs+508136outputs (0major+2478minor)pagefaults 0swaps