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
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=19969, got signal=6
Threads: 2: [m_m] [25.0% done] [ 16127/ 43119 kb/s] [eta 00m:09s]
Threads: 2: [F_m] [33.3% done] [ 13669/ 54731 kb/s] [eta 00m:08s]
Threads: 2: [F_m] [45.5% done] [  1814/ 17047 kb/s] [eta 00m:06s]
Threads: 2: [F_m] [46.2% done] [  2253/     0 kb/s] [eta 00m:07s]
Threads: 2: [F_m] [46.7% done] [  2005/     0 kb/s] [eta 00m:08s]
Threads: 2: [F_m] [50.0% done] [  2407/     0 kb/s] [eta 00m:08s]
Threads: 2: [F_F] [100.0% done] [   435/ 28655 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] [70.0% done] [ 30067/     0 kb/s] [eta 00m:06s]
Threads: 2: [V_V] [83.3% done] [ 52723/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_V] [100.0% done] [ 50974/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=19968
  read : io=100MiB, bw=6,420KiB/s, runt= 16331msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  234, avg=23.17, stdev=39.81
    bw (KiB/s) : min=    2, max=58104, per=121.86%, avg=16187.25, stdev=16903.72
  write: io=83,672KiB, bw=6,343KiB/s, runt= 13507msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   67, avg= 1.05, stdev= 3.62
    bw (KiB/s) : min=    0, max=61145, per=131.30%, avg=23654.33, stdev=32836.88
  cpu          : usr=10.46%, sys=4.04%, ctx=6062
  IO depths    : 1=1.9%, 2=56.9%, 4=27.1%, 8=14.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=44.5%, 4=15.7%, 10=23.0%, 20=6.1%, 50=0.7%, 100=4.3%
     lat (msec): 250=5.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=19969
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.1%, 2=89.1%, 4=6.8%, 8=3.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=79.2%, 4=14.1%, 10=2.3%, 20=0.1%, 50=0.2%, 100=0.6%
     lat (msec): 250=3.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=19970
  read : io=100MiB, bw=6,387KiB/s, runt= 16416msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  427, avg=45.50, stdev=69.33
    bw (KiB/s) : min=   13, max=32063, per=65.59%, avg=8712.00, stdev=9473.58
  write: io=59,736KiB, bw=4,528KiB/s, runt= 13507msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  226, avg= 2.97, stdev=15.50
    bw (KiB/s) : min=    0, max= 4890, per=16.94%, avg=3052.67, stdev=2661.92
  cpu          : usr=7.38%, sys=3.80%, ctx=6304
  IO depths    : 1=1.0%, 2=48.7%, 4=28.0%, 8=22.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=39.7%, 4=8.9%, 10=22.1%, 20=6.3%, 50=4.5%, 100=7.8%
     lat (msec): 250=8.9%, 500=1.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=208MiB, aggrb=13,283KiB/s, minb=0KiB/s, maxb=6,420KiB/s, mint=16416msec, maxt=16416msec
  WRITE: io=232MiB, aggrb=18,016KiB/s, minb=0KiB/s, maxb=6,343KiB/s, mint=16416msec, maxt=16416msec

Disk stats (read/write):
  cciss!c0d0: ios=4503/3229, merge=984/56061, ticks=39228/1412004, in_queue=1451760, util=91.83%
4.30user 1.74system 0:18.86elapsed 32%CPU (0avgtext+0avgdata 0maxresident)k
553016inputs+475328outputs (0major+2462minor)pagefaults 0swaps