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] [30.0% done] [ 13966/ 50785 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [33.3% done] [  5863/ 42955 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [35.7% done] [  3229/  6833 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [50.0% done] [  1048/ 16489 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [50.0% done] [  1657/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [   487/ 29756 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed.
fio: pid=3416, got signal=6
Threads: 2: [_VV] [68.4% done] [ 35868/     0 kb/s] [eta 00m:06s]
Threads: 2: [_VV] [82.4% done] [ 54309/     0 kb/s] [eta 00m:03s]
Threads: 1: [__V] [100.0% done] [ 52293/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=3416
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.3%, 2=88.6%, 4=4.4%, 8=6.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=74.2%, 4=14.6%, 10=2.3%, 20=0.9%, 50=0.7%, 100=2.2%
     lat (msec): 250=4.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3417
  read : io=100MiB, bw=7,014KiB/s, runt= 14948msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  227, avg=20.83, stdev=41.39
    bw (KiB/s) : min=   25, max=60381, per=104.12%, avg=14824.58, stdev=18417.22
  write: io=85,500KiB, bw=7,024KiB/s, runt= 12463msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  123, avg= 1.15, stdev= 8.42
    bw (KiB/s) : min=    0, max=60352, per=137.44%, avg=27914.80, stdev=30092.16
  cpu          : usr=11.88%, sys=4.87%, ctx=8724
  IO depths    : 1=28.6%, 2=33.2%, 4=25.6%, 8=12.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.2%, 4=15.1%, 10=24.1%, 20=2.7%, 50=1.8%, 100=3.2%
     lat (msec): 250=4.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3419
  read : io=100MiB, bw=6,775KiB/s, runt= 15472msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  604, avg=41.09, stdev=76.40
    bw (KiB/s) : min=   38, max=39627, per=63.79%, avg=9082.90, stdev=11172.96
  write: io=69,656KiB, bw=5,723KiB/s, runt= 12463msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  226, avg= 2.69, stdev=17.15
    bw (KiB/s) : min=    0, max=54706, per=84.33%, avg=17128.00, stdev=25277.87
  cpu          : usr=9.33%, sys=5.12%, ctx=6797
  IO depths    : 1=8.6%, 2=44.4%, 4=27.8%, 8=19.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=40.9%, 4=14.8%, 10=23.1%, 20=4.6%, 50=2.7%, 100=4.2%
     lat (msec): 250=7.8%, 500=1.5%, 750=0.2%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=210MiB, aggrb=14,238KiB/s, minb=0KiB/s, maxb=7,014KiB/s, mint=14948msec, maxt=15472msec
  WRITE: io=241MiB, aggrb=20,310KiB/s, minb=0KiB/s, maxb=7,024KiB/s, mint=14948msec, maxt=15472msec

Disk stats (read/write):
  cciss!c0d0: ios=4481/2992, merge=925/58794, ticks=35840/1389980, in_queue=1426208, util=97.45%
4.86user 2.18system 0:15.77elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k
548400inputs+494424outputs (0major+2453minor)pagefaults 0swaps