fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [11.5% done] [ 23475/   667 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [14.8% done] [  9997/ 12462 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [21.7% done] [ 14879/ 11523 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [25.0% done] [ 17152/  1997 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [25.0% done] [ 19243/    24 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [28.6% done] [  7176/ 10890 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [34.6% done] [ 21463/  1381 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [40.0% done] [ 16929/     0 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [44.0% done] [ 14663/  1057 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [44.4% done] [ 12793/  2598 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [48.1% done] [ 15074/     0 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [53.8% done] [ 13279/   662 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [55.6% done] [ 10276/  1609 kb/s] [eta 00m:12s]
Threads: 3: [mmV] [57.1% done] [ 13740/   675 kb/s] [eta 00m:12s]
Threads: 2: [mm_] [58.6% done] [ 14937/  1280 kb/s] [eta 00m:12s]
Threads: 2: [Vm_] [62.1% done] [  8752/   727 kb/s] [eta 00m:11s]
Threads: 2: [Vm_] [63.3% done] [ 16009/   805 kb/s] [eta 00m:11s]
Threads: 1: [_m_] [66.7% done] [ 11738/   996 kb/s] [eta 00m:10s]
Threads: 1: [_V_] [77.8% done] [ 17348/   553 kb/s] [eta 00m:06s]
fio: (groupid=0): err= 0: pid=23557
  read : io=100MiB, bw=5,395KiB/s, runt= 19434msec
    slat (msec): min=    0, max= 1549, avg=141.14, stdev=348.47
    clat (msec): min=    0, max=  208, avg=43.43, stdev=33.85
    bw (KiB/s) : min=   92, max=19356, per=52.63%, avg=7807.71, stdev=5577.90
  write: io=21,216KiB, bw=1,215KiB/s, runt= 17875msec
    slat (msec): min=    0, max=   69, avg= 2.13, stdev= 6.07
    clat (msec): min=    9, max= 1575, avg=246.94, stdev=322.79
    bw (KiB/s) : min=    0, max= 9031, per=59.00%, avg=1957.69, stdev=2643.46
  cpu          : usr=8.46%, sys=0.39%, ctx=839
  IO depths    : 1=0.9%, 2=5.5%, 4=57.2%, 8=36.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.1%, 4=0.4%, 10=3.8%, 20=13.8%, 50=44.1%, 100=23.3%
     lat (msec): 250=10.8%, 500=1.6%, 750=0.7%, 1000=0.5%, >=2000=0.9%
fio: (groupid=0): err= 0: pid=23558
  read : io=100MiB, bw=4,945KiB/s, runt= 21203msec
    slat (msec): min=    0, max= 1152, avg=131.22, stdev=301.78
    clat (msec): min=    0, max=  269, avg=51.81, stdev=42.63
    bw (KiB/s) : min=    6, max=22168, per=41.77%, avg=6196.93, stdev=5669.28
  write: io=23,088KiB, bw=1,177KiB/s, runt= 20081msec
    slat (msec): min=    0, max=   13, avg= 1.49, stdev= 2.44
    clat (msec): min=    5, max= 1238, avg=234.41, stdev=273.41
    bw (KiB/s) : min=    0, max= 6281, per=42.25%, avg=1401.94, stdev=1520.89
  cpu          : usr=7.85%, sys=0.36%, ctx=853
  IO depths    : 1=1.1%, 2=7.0%, 4=51.4%, 8=40.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.4%, 4=1.0%, 10=5.8%, 20=15.3%, 50=31.3%, 100=25.2%
     lat (msec): 250=15.7%, 500=2.5%, 750=1.5%, 1000=0.7%, >=2000=0.5%
fio: (groupid=0): err= 0: pid=23559
  read : io=100MiB, bw=6,290KiB/s, runt= 16670msec
    slat (msec): min=    0, max= 1467, avg=128.76, stdev=344.84
    clat (msec): min=    1, max=  308, avg=43.76, stdev=35.63
    bw (KiB/s) : min=   46, max=16856, per=52.90%, avg=7847.83, stdev=5486.60
  write: io=20,780KiB, bw=1,402KiB/s, runt= 15177msec
    slat (msec): min=    0, max=   26, avg= 2.48, stdev= 3.79
    clat (msec): min=    7, max= 1589, avg=225.06, stdev=324.15
    bw (KiB/s) : min=    0, max= 7918, per=74.04%, avg=2456.54, stdev=2864.85
  cpu          : usr=10.27%, sys=0.36%, ctx=805
  IO depths    : 1=0.8%, 2=4.7%, 4=57.7%, 8=36.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.1%, 4=0.3%, 10=4.5%, 20=17.4%, 50=40.5%, 100=23.7%
     lat (msec): 250=10.5%, 500=1.4%, 750=0.6%, 1000=0.4%, >=2000=0.4%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,836KiB/s, minb=4,945KiB/s, maxb=6,290KiB/s, mint=16670msec, maxt=21203msec
  WRITE: io=65,084KiB, aggrb=3,318KiB/s, minb=1,177KiB/s, maxb=1,402KiB/s, mint=16670msec, maxt=21203msec

Disk stats (read/write):
  cciss!c0d0: ios=5664/1119, merge=1019/283, ticks=267216/278352, in_queue=545548, util=97.90%
5.09user 0.23system 0:21.67elapsed 24%CPU (0avgtext+0avgdata 0maxresident)k
614400inputs+130208outputs (0major+2349minor)pagefaults 0swaps