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: [mFF] [37.5% done] [  3039/ 31260 kb/s] [eta 00m:05s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [FFF] [100.0% done] [   684/ 48308 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: pid=8683, got signal=6
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] [68.8% done] [ 22630/     0 kb/s] [eta 00m:05s]
Threads: 2: [_VV] [92.3% done] [ 71720/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 69283/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=8683
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=85.9%, 4=5.2%, 8=8.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=87.2%, 4=2.0%, 10=0.9%, 20=0.1%, 50=0.4%, 100=3.1%
     lat (msec): 250=5.4%, 500=0.8%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8684
  read : io=100MiB, bw=7,309KiB/s, runt= 14346msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  564, avg=22.73, stdev=51.01
    bw (KiB/s) : min=   11, max=46235, per=111.23%, avg=17711.82, stdev=19158.24
  write: io=97,976KiB, bw=9,031KiB/s, runt= 11109msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  116, avg= 0.34, stdev= 4.75
    bw (KiB/s) : min=    0, max=31723, per=60.49%, avg=15861.50, stdev=22431.55
  cpu          : usr=6.69%, sys=3.37%, ctx=18800
  IO depths    : 1=22.0%, 2=26.3%, 4=27.9%, 8=23.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.0%, 4=9.4%, 10=27.4%, 20=7.0%, 50=1.1%, 100=0.6%
     lat (msec): 250=5.1%, 500=0.3%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=8685
  read : io=100MiB, bw=7,415KiB/s, runt= 14139msec
    clat (msec): min=    0, max=  216, avg=13.23, stdev=28.64
    bw (KiB/s) : min=    2, max=43623, per=189.98%, avg=30251.17, stdev=16172.47
  write: io=100MiB, bw=9,451KiB/s, runt= 11094msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=    8, avg= 0.19, stdev= 0.56
    bw (KiB/s) : min=    0, max=150798, per=287.55%, avg=75399.00, stdev=106630.29
  cpu          : usr=7.18%, sys=3.47%, ctx=15516
  IO depths    : 1=0.3%, 2=48.7%, 4=31.3%, 8=19.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.1%, 4=12.1%, 10=27.7%, 20=5.1%, 50=0.4%, 100=0.7%
     lat (msec): 250=2.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=218MiB, aggrb=15,923KiB/s, minb=0KiB/s, maxb=7,415KiB/s, mint=14139msec, maxt=14346msec
  WRITE: io=278MiB, aggrb=26,221KiB/s, minb=0KiB/s, maxb=9,451KiB/s, mint=14139msec, maxt=14346msec

Disk stats (read/write):
  cciss!c0d0: ios=3857/3684, merge=612/67341, ticks=37459/1514177, in_queue=1554520, util=92.70%
2.65user 1.28system 0:15.62elapsed 25%CPU (0avgtext+0avgdata 0maxresident)k
475840inputs+569008outputs (0major+2458minor)pagefaults 0swaps