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] [27.3% done] [ 10848/  6308 kb/s] [eta 00m:08s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=24904, got signal=6
Threads: 2: [m_m] [50.0% done] [  3205/ 51450 kb/s] [eta 00m:04s]
Threads: 2: [m_m] [50.0% done] [  2468/  5678 kb/s] [eta 00m:05s]
Threads: 2: [F_m] [60.0% done] [  1757/ 20402 kb/s] [eta 00m:04s]
Threads: 2: [F_F] [100.0% done] [   394/ 11877 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [73.7% done] [ 32918/     0 kb/s] [eta 00m:05s]
Threads: 2: [V_V] [93.8% done] [ 63839/     0 kb/s] [eta 00m:01s]
Threads: 1: [__V] [100.0% done] [ 58926/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=24903
  read : io=100MiB, bw=6,538KiB/s, runt= 16035msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  415, avg=27.27, stdev=55.51
    bw (KiB/s) : min=   10, max=48378, per=92.07%, avg=12262.21, stdev=15216.79
  write: io=83,700KiB, bw=6,360KiB/s, runt= 13475msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  127, avg= 1.75, stdev= 9.66
    bw (KiB/s) : min=    0, max=61841, per=119.68%, avg=23530.00, stdev=26649.93
  cpu          : usr=10.88%, sys=4.94%, ctx=6186
  IO depths    : 1=1.3%, 2=58.9%, 4=27.0%, 8=12.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.3%, 4=17.5%, 10=23.4%, 20=3.3%, 50=0.8%, 100=1.4%
     lat (msec): 250=7.6%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=24904
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=80.5%, 2=2.0%, 4=4.5%, 8=12.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=82.3%, 4=0.1%, 10=0.2%, 20=1.2%, 50=11.1%, 100=4.4%
     lat (msec): 250=0.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=24905
  read : io=100MiB, bw=6,424KiB/s, runt= 16321msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  399, avg=36.21, stdev=70.19
    bw (KiB/s) : min=   17, max=34470, per=66.10%, avg=8803.29, stdev=11355.27
  write: io=80,120KiB, bw=6,088KiB/s, runt= 13475msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  223, avg= 1.86, stdev=15.99
    bw (KiB/s) : min=    0, max=16282, per=52.12%, avg=10246.33, stdev=8920.38
  cpu          : usr=6.94%, sys=4.61%, ctx=8247
  IO depths    : 1=17.4%, 2=42.4%, 4=25.9%, 8=14.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.2%, 4=10.1%, 10=22.5%, 20=3.2%, 50=0.6%, 100=2.3%
     lat (msec): 250=8.1%, 500=1.8%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=207MiB, aggrb=13,319KiB/s, minb=0KiB/s, maxb=6,538KiB/s, mint=16321msec, maxt=16321msec
  WRITE: io=253MiB, aggrb=19,660KiB/s, minb=0KiB/s, maxb=6,360KiB/s, mint=16321msec, maxt=16321msec

Disk stats (read/write):
  cciss!c0d0: ios=4426/3476, merge=919/61187, ticks=35024/1533136, in_queue=1568156, util=98.00%
4.24user 1.91system 0:16.68elapsed 36%CPU (0avgtext+0avgdata 0maxresident)k
525752inputs+517464outputs (0major+2455minor)pagefaults 0swaps