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: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [100.0% done] [113142/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15534
  read : io=100MiB, bw=14,741KiB/s, runt=  7113msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=96112, per=88.12%, avg=38972.00, stdev=47348.88
  write: io=56,156KiB, bw=8,853KiB/s, runt=  6495msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=57581, per=142.41%, avg=28790.50, stdev=40715.92
  cpu          : usr=28.96%, sys=4.78%, ctx=457
  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=15535
  read : io=100MiB, bw=15,089KiB/s, runt=  6949msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=60260, per=45.53%, avg=20134.67, stdev=34749.62
  write: io=43,604KiB, bw=6,903KiB/s, runt=  6468msec
    clat (msec): min=    0, max=    3, avg= 0.00, stdev= 0.10
    bw (KiB/s) : min=    0, max=29159, per=72.12%, avg=14579.50, stdev=20618.53
  cpu          : usr=27.63%, sys=4.14%, ctx=187
  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=15536
  read : io=100MiB, bw=15,522KiB/s, runt=  6755msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   14, max=60669, per=68.41%, avg=30256.00, stdev=34910.37
  write: io=28,472KiB, bw=4,529KiB/s, runt=  6437msec
    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=26.23%, sys=3.14%, ctx=29
  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=44,225KiB/s, minb=14,741KiB/s, maxb=15,522KiB/s, mint=6755msec, maxt=7113msec
  WRITE: io=125MiB, aggrb=20,217KiB/s, minb=4,529KiB/s, maxb=8,853KiB/s, mint=6755msec, maxt=7113msec

Disk stats (read/write):
  cciss!c0d0: ios=0/1668, merge=0/30459, ticks=0/714980, in_queue=714980, util=67.08%
5.76user 0.86system 0:07.31elapsed 90%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+256488outputs (0major+109808minor)pagefaults 0swaps