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=9420, got signal=6
Threads: 2: [m_m] [33.3% done] [ 14500/ 82115 kb/s] [eta 00m:06s]
Threads: 2: [m_F] [36.4% done] [ 11271/ 21313 kb/s] [eta 00m:07s]
Threads: 2: [m_F] [50.0% done] [  2273/ 15664 kb/s] [eta 00m:05s]
Threads: 2: [m_F] [66.7% done] [  1167/ 22172 kb/s] [eta 00m:03s]
Threads: 2: [m_F] [70.0% done] [   914/  4575 kb/s] [eta 00m:03s]
Threads: 2: [m_F] [66.7% done] [  1309/     0 kb/s] [eta 00m:04s]
Threads: 2: [F_F] [100.0% done] [   215/   866 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] [70.0% done] [ 10498/     0 kb/s] [eta 00m:06s]
Threads: 2: [V_V] [93.8% done] [ 59731/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_V] [100.0% done] [ 58848/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=9419
  read : io=100MiB, bw=6,417KiB/s, runt= 16331msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  331, avg=44.16, stdev=66.63
    bw (KiB/s) : min=   10, max=34127, per=68.99%, avg=9115.40, stdev=10098.31
  write: io=64,364KiB, bw=4,791KiB/s, runt= 13755msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  151, avg= 1.77, stdev=10.84
    bw (KiB/s) : min=    0, max=21560, per=51.23%, avg=9349.25, stdev=8973.22
  cpu          : usr=8.01%, sys=4.04%, ctx=8729
  IO depths    : 1=28.4%, 2=21.1%, 4=27.7%, 8=22.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=39.6%, 4=11.1%, 10=19.0%, 20=7.3%, 50=4.8%, 100=7.8%
     lat (msec): 250=8.3%, 500=1.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9420
  cpu          : usr=0.00%, sys=0.00%, ctx=0
  IO depths    : 1=0.2%, 2=91.6%, 4=2.9%, 8=5.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=77.1%, 4=14.8%, 10=1.6%, 20=0.1%, 50=1.1%, 100=3.1%
     lat (msec): 250=1.6%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9421
  read : io=100MiB, bw=6,315KiB/s, runt= 16603msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  347, avg=21.18, stdev=42.45
    bw (KiB/s) : min=    1, max=41197, per=117.40%, avg=15511.33, stdev=15693.97
  write: io=87,880KiB, bw=6,542KiB/s, runt= 13755msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  297, avg= 1.85, stdev=14.07
    bw (KiB/s) : min=    0, max=62291, per=130.29%, avg=23776.75, stdev=26816.25
  cpu          : usr=10.17%, sys=4.84%, ctx=6448
  IO depths    : 1=1.4%, 2=58.6%, 4=27.7%, 8=12.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=44.8%, 4=18.7%, 10=23.4%, 20=2.6%, 50=1.4%, 100=4.9%
     lat (msec): 250=3.7%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=209MiB, aggrb=13,212KiB/s, minb=0KiB/s, maxb=6,417KiB/s, mint=16603msec, maxt=16603msec
  WRITE: io=239MiB, aggrb=18,249KiB/s, minb=0KiB/s, maxb=6,542KiB/s, mint=16603msec, maxt=16603msec

Disk stats (read/write):
  cciss!c0d0: ios=4488/3501, merge=1028/57695, ticks=37796/1476772, in_queue=1514568, util=97.53%
4.60user 1.88system 0:16.95elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
545800inputs+490352outputs (0major+2457minor)pagefaults 0swaps