fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
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]
fio: (groupid=0): err= 0: pid=16255
  read : io=100MiB, bw=19,795KiB/s, runt=  5297msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   16, max=60555, per=35.31%, avg=20252.33, stdev=34903.24
  write: io=28,380KiB, bw=5,833KiB/s, runt=  4982msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=57882, per=201.22%, avg=28941.00, stdev=40928.75
  cpu          : usr=28.39%, sys=4.53%, ctx=395
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16256
  read : io=100MiB, bw=38,664KiB/s, runt=  2712msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=59965, max=60123, per=104.68%, avg=60044.00, stdev=111.72
  cpu          : usr=46.76%, sys=3.98%, ctx=18
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.8%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16257
  read : io=100MiB, bw=19,120KiB/s, runt=  5484msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   41, max=61964, per=71.96%, avg=41279.00, stdev=35713.22
  write: io=41,892KiB, bw=8,574KiB/s, runt=  5003msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=    0, per=0.00%, avg= 0.00, stdev=-1.00
  cpu          : usr=30.85%, sys=4.01%, ctx=148
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=57,361KiB/s, minb=19,120KiB/s, maxb=38,664KiB/s, mint=2712msec, maxt=5484msec
  WRITE: io=70,272KiB, aggrb=14,383KiB/s, minb=0KiB/s, maxb=8,574KiB/s, mint=2712msec, maxt=5484msec

Disk stats (read/write):
  cciss!c0d0: ios=0/1417, merge=0/16168, ticks=0/554964, in_queue=554964, util=64.82%
4.47user 0.58system 0:05.69elapsed 88%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+140568outputs (0major+95304minor)pagefaults 0swaps