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=4018, got signal=6
Threads: 2: [_mm] [50.0% done] [ 13548/ 36286 kb/s] [eta 00m:03s]
Threads: 2: [_FF] [100.0% done] [  1491/ 32069 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: [_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] [  8492/     0 kb/s] [eta 00m:06s]
Threads: 2: [_VV] [93.3% done] [ 65035/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 65064/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=4018
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=89.8%, 4=4.3%, 8=5.6%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=74.3%, 4=17.2%, 10=1.4%, 20=0.4%, 50=1.1%, 100=3.8%
     lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4019
  read : io=100MiB, bw=6,652KiB/s, runt= 15751msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  118, avg=17.31, stdev=28.65
    bw (KiB/s) : min=    9, max=38158, per=134.13%, avg=18520.00, stdev=14790.38
  write: io=88,812KiB, bw=7,065KiB/s, runt= 12871msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   78, avg= 0.85, stdev= 3.90
    bw (KiB/s) : min=    0, max=60503, per=154.27%, avg=32429.75, stdev=29786.65
  cpu          : usr=12.16%, sys=5.51%, ctx=8893
  IO depths    : 1=28.3%, 2=33.0%, 4=25.6%, 8=13.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.5%, 4=19.2%, 10=20.2%, 20=3.1%, 50=4.4%, 100=4.4%
     lat (msec): 250=2.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4020
  read : io=100MiB, bw=6,705KiB/s, runt= 15608msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  250, avg=21.93, stdev=36.26
    bw (KiB/s) : min=    6, max=37550, per=117.16%, avg=16177.08, stdev=14116.20
  write: io=81,148KiB, bw=6,450KiB/s, runt= 12883msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   58, avg= 1.33, stdev= 3.54
    bw (KiB/s) : min=    0, max=61620, per=123.91%, avg=26047.67, stdev=31895.07
  cpu          : usr=10.76%, sys=5.97%, ctx=6580
  IO depths    : 1=5.9%, 2=48.5%, 4=29.6%, 8=16.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=40.8%, 4=16.9%, 10=23.4%, 20=4.8%, 50=4.5%, 100=6.4%
     lat (msec): 250=2.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=207MiB, aggrb=13,808KiB/s, minb=0KiB/s, maxb=6,705KiB/s, mint=15608msec, maxt=15751msec
  WRITE: io=258MiB, aggrb=21,022KiB/s, minb=0KiB/s, maxb=7,065KiB/s, mint=15608msec, maxt=15751msec

Disk stats (read/write):
  cciss!c0d0: ios=4199/3460, merge=842/62537, ticks=25976/1420800, in_queue=1447156, util=97.07%
5.16user 2.29system 0:16.04elapsed 46%CPU (0avgtext+0avgdata 0maxresident)k
506840inputs+529000outputs (0major+2453minor)pagefaults 0swaps