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] [ 15774/ 54320 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [50.0% done] [ 15090/ 76404 kb/s] [eta 00m:04s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
Threads: 3: [mFm] [50.0% done] [ 10982/     0 kb/s] [eta 00m:05s]
fio: pid=15620, got signal=6
Threads: 2: [F_m] [60.0% done] [   919/ 33658 kb/s] [eta 00m:04s]
Threads: 2: [F_m] [58.3% done] [   914/     0 kb/s] [eta 00m:05s]
Threads: 2: [F_F] [100.0% done] [   633/ 15685 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] [68.2% done] [  8338/     0 kb/s] [eta 00m:07s]
Threads: 2: [V_V] [88.9% done] [ 59788/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_V] [100.0% done] [ 58015/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15619
  read : io=100MiB, bw=5,980KiB/s, runt= 17532msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  648, avg=28.61, stdev=51.97
    bw (KiB/s) : min=    9, max=39543, per=95.72%, avg=12722.19, stdev=13611.48
  write: io=78,764KiB, bw=5,420KiB/s, runt= 14879msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  531, avg= 2.25, stdev=22.37
    bw (KiB/s) : min=    0, max=60401, per=115.06%, avg=18229.50, stdev=28725.84
  cpu          : usr=9.56%, sys=4.40%, ctx=6662
  IO depths    : 1=0.8%, 2=54.6%, 4=27.1%, 8=17.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=42.3%, 4=16.7%, 10=20.6%, 20=4.6%, 50=4.0%, 100=5.8%
     lat (msec): 250=5.5%, 500=0.2%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15620
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=33.9%, 2=40.5%, 4=7.2%, 8=18.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=59.9%, 4=14.0%, 10=1.0%, 20=3.0%, 50=7.1%, 100=8.5%
     lat (msec): 250=6.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15621
  read : io=100MiB, bw=5,932KiB/s, runt= 17672msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  642, avg=40.21, stdev=75.82
    bw (KiB/s) : min=   15, max=33228, per=58.89%, avg=7826.80, stdev=9866.09
  write: io=73,656KiB, bw=5,069KiB/s, runt= 14879msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  343, avg= 2.75, stdev=19.70
    bw (KiB/s) : min=    0, max=14373, per=48.09%, avg=7619.50, stdev=6768.16
  cpu          : usr=8.94%, sys=4.57%, ctx=6866
  IO depths    : 1=1.4%, 2=54.6%, 4=26.6%, 8=17.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=41.3%, 4=15.9%, 10=22.2%, 20=4.3%, 50=1.0%, 100=6.0%
     lat (msec): 250=6.9%, 500=1.8%, 750=0.2%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=224MiB, aggrb=13,291KiB/s, minb=0KiB/s, maxb=5,980KiB/s, mint=17672msec, maxt=17672msec
  WRITE: io=225MiB, aggrb=15,843KiB/s, minb=0KiB/s, maxb=5,420KiB/s, mint=17672msec, maxt=17672msec

Disk stats (read/write):
  cciss!c0d0: ios=4953/3536, merge=1242/53950, ticks=42968/1423456, in_queue=1466420, util=92.58%
4.60user 2.08system 0:19.60elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k
589672inputs+460440outputs (0major+2461minor)pagefaults 0swaps