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] [  9936/106329 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [40.0% done] [  5958/ 28224 kb/s] [eta 00m:06s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [FFm] [55.6% done] [  1905/ 59517 kb/s] [eta 00m:04s]
fio: pid=18619, got signal=6
Threads: 2: [_Fm] [66.7% done] [   723/ 14275 kb/s] [eta 00m:03s]
Threads: 2: [_FF] [100.0% done] [     0/  3672 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: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [68.4% done] [  6851/     0 kb/s] [eta 00m:06s]
Threads: 2: [_VV] [93.3% done] [ 66780/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 65889/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=18619
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=13.9%, 2=62.1%, 4=10.8%, 8=13.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=62.9%, 4=18.7%, 10=5.1%, 20=0.4%, 50=0.9%, 100=4.4%
     lat (msec): 250=6.9%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=18620
  read : io=100MiB, bw=6,642KiB/s, runt= 15785msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  297, avg=17.93, stdev=41.57
    bw (KiB/s) : min=    0, max=37838, per=136.09%, avg=20026.00, stdev=15257.69
  write: io=91,868KiB, bw=7,302KiB/s, runt= 12883msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  102, avg= 0.59, stdev= 5.10
    bw (KiB/s) : min=    0, max=62233, per=196.47%, avg=40224.00, stdev=34886.62
  cpu          : usr=10.85%, sys=4.89%, ctx=10089
  IO depths    : 1=40.2%, 2=25.8%, 4=25.3%, 8=8.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=53.6%, 4=16.4%, 10=20.5%, 20=2.6%, 50=0.6%, 100=1.9%
     lat (msec): 250=4.0%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=18621
  read : io=100MiB, bw=6,723KiB/s, runt= 15596msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  374, avg=29.61, stdev=58.72
    bw (KiB/s) : min=   29, max=37289, per=79.59%, avg=11712.29, stdev=14477.43
  write: io=85,360KiB, bw=6,784KiB/s, runt= 12883msec
    slat (msec): min=    0, max=    5, avg= 0.00, stdev= 0.13
    clat (msec): min=    0, max=  239, avg= 1.42, stdev=13.06
    bw (KiB/s) : min=    0, max=18528, per=50.95%, avg=10430.25, stdev=7887.29
  cpu          : usr=10.70%, sys=5.54%, ctx=9383
  IO depths    : 1=31.8%, 2=29.1%, 4=25.7%, 8=13.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=52.2%, 4=13.0%, 10=19.9%, 20=2.8%, 50=1.6%, 100=3.3%
     lat (msec): 250=6.6%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=222MiB, aggrb=14,715KiB/s, minb=0KiB/s, maxb=6,723KiB/s, mint=15596msec, maxt=15785msec
  WRITE: io=252MiB, aggrb=20,473KiB/s, minb=0KiB/s, maxb=7,302KiB/s, mint=15596msec, maxt=15785msec

Disk stats (read/write):
  cciss!c0d0: ios=4386/3602, merge=1083/60741, ticks=37944/1391916, in_queue=1429944, util=94.06%
4.68user 2.10system 0:16.80elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k
548880inputs+515184outputs (0major+2458minor)pagefaults 0swaps