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.
Threads: 3: [mFm] [42.9% done] [ 14073/ 45633 kb/s] [eta 00m:04s]
fio: pid=2517, got signal=6
Threads: 2: [m_m] [66.7% done] [ 11278/ 54938 kb/s] [eta 00m:02s]
Threads: 2: [F_F] [100.0% done] [     0/  9355 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: [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] [83.3% done] [ 45169/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_V] [94.1% done] [ 51600/     0 kb/s] [eta 00m:01s]
Threads: 1: [E_V] [100.0% done] [ 60545/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=2516
  read : io=100MiB, bw=6,151KiB/s, runt= 17046msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  294, avg=23.61, stdev=41.72
    bw (KiB/s) : min=    8, max=39632, per=121.74%, avg=15169.82, stdev=14052.19
  write: io=81,936KiB, bw=5,844KiB/s, runt= 14355msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  203, avg= 1.11, stdev=11.12
    bw (KiB/s) : min=    0, max=59834, per=174.96%, avg=32110.75, stdev=31660.23
  cpu          : usr=9.03%, sys=4.34%, ctx=8168
  IO depths    : 1=17.7%, 2=40.6%, 4=26.3%, 8=15.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.3%, 4=11.5%, 10=20.2%, 20=3.4%, 50=4.8%, 100=5.3%
     lat (msec): 250=4.1%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2517
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=54.8%, 2=37.3%, 4=2.3%, 8=5.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=91.8%, 4=1.4%, 10=0.1%, 20=0.3%, 50=1.2%, 100=3.3%
     lat (msec): 250=1.6%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2518
  read : io=100MiB, bw=6,049KiB/s, runt= 17332msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  276, avg=23.83, stdev=44.50
    bw (KiB/s) : min=    2, max=32800, per=101.75%, avg=12678.69, stdev=11341.96
  write: io=79,116KiB, bw=5,643KiB/s, runt= 14355msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  202, avg= 1.82, stdev=11.78
    bw (KiB/s) : min=    0, max=27680, per=89.75%, avg=16471.50, stdev=12804.86
  cpu          : usr=9.32%, sys=4.48%, ctx=7011
  IO depths    : 1=6.1%, 2=50.5%, 4=27.6%, 8=15.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.0%, 4=13.2%, 10=23.3%, 20=4.9%, 50=4.0%, 100=5.1%
     lat (msec): 250=4.1%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=206MiB, aggrb=12,461KiB/s, minb=0KiB/s, maxb=6,151KiB/s, mint=17332msec, maxt=17332msec
  WRITE: io=251MiB, aggrb=18,353KiB/s, minb=0KiB/s, maxb=5,844KiB/s, mint=17332msec, maxt=17332msec

Disk stats (read/write):
  cciss!c0d0: ios=4229/3782, merge=889/60440, ticks=30980/1502000, in_queue=1533700, util=91.59%
4.64user 1.87system 0:18.56elapsed 35%CPU (0avgtext+0avgdata 0maxresident)k
516920inputs+514704outputs (0major+2457minor)pagefaults 0swaps