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=9848, got signal=6
Threads: 2: [_mm] [60.0% done] [ 12373/ 96646 kb/s] [eta 00m:02s]
Threads: 2: [_FF] [100.0% done] [  2216/ 21505 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] [76.5% done] [ 34533/     0 kb/s] [eta 00m:04s]
Threads: 2: [_VV] [93.3% done] [ 56758/     0 kb/s] [eta 00m:01s]
Threads: 2: [_VV] [100.0% done] [ 61167/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=9848
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=69.0%, 2=24.6%, 4=3.5%, 8=2.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=96.3%, 4=0.0%, 10=0.1%, 20=0.1%, 50=0.2%, 100=1.5%
     lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9849
  read : io=100MiB, bw=6,845KiB/s, runt= 15315msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  274, avg=27.12, stdev=42.15
    bw (KiB/s) : min=    7, max=31905, per=103.69%, avg=14328.23, stdev=10441.32
  write: io=69,284KiB, bw=5,718KiB/s, runt= 12407msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  195, avg= 0.88, stdev= 9.39
    bw (KiB/s) : min=    0, max=34011, per=79.02%, avg=17005.50, stdev=24049.41
  cpu          : usr=5.93%, sys=4.00%, ctx=7937
  IO depths    : 1=20.9%, 2=31.7%, 4=28.8%, 8=18.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.1%, 4=7.7%, 10=20.6%, 20=7.5%, 50=6.1%, 100=7.2%
     lat (msec): 250=4.2%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9850
  read : io=100MiB, bw=6,898KiB/s, runt= 15201msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  214, avg=16.54, stdev=33.78
    bw (KiB/s) : min=    6, max=42057, per=138.82%, avg=19183.20, stdev=16323.30
  write: io=91,044KiB, bw=7,514KiB/s, runt= 12407msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   37, avg= 0.63, stdev= 1.67
    bw (KiB/s) : min=    0, max=58807, per=152.06%, avg=32725.00, stdev=30122.20
  cpu          : usr=13.42%, sys=5.29%, ctx=11570
  IO depths    : 1=45.0%, 2=26.9%, 4=18.8%, 8=9.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=56.3%, 4=15.6%, 10=15.8%, 20=3.1%, 50=2.8%, 100=2.6%
     lat (msec): 250=3.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=202MiB, aggrb=13,819KiB/s, minb=0KiB/s, maxb=6,898KiB/s, mint=15201msec, maxt=15315msec
  WRITE: io=255MiB, aggrb=21,521KiB/s, minb=0KiB/s, maxb=7,514KiB/s, mint=15201msec, maxt=15315msec

Disk stats (read/write):
  cciss!c0d0: ios=4193/3262, merge=796/61853, ticks=26188/1346612, in_queue=1373808, util=97.62%
4.39user 1.82system 0:15.66elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
510992inputs+521632outputs (0major+2450minor)pagefaults 0swaps