root@vps1:~# fio hybrid.ini
readtest: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
writetest: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=32
fio-2.1.3
Starting 2 processes
readtest: Laying out IO file(s) (1 file(s) / 1024MB)
Jobs: 1 (f=1): [_w] [100.0% done] [0KB/623KB/0KB /s] [0/155/0 iops] [eta 00m:00s]
readtest: (groupid=0, jobs=1): err= 0: pid=1521: Mon Jan 18 11:18:58 2016
  read : io=1024.0MB, bw=408272B/s, iops=99, runt=2629965msec
    slat (usec): min=0, max=879258, avg=406.95, stdev=11033.79
    clat (usec): min=81, max=1877.7K, avg=320628.50, stdev=175924.52
     lat (usec): min=848, max=1877.8K, avg=321035.77, stdev=175711.56
    clat percentiles (msec):
     |  1.00th=[    5],  5.00th=[   90], 10.00th=[  124], 20.00th=[  192],
     | 30.00th=[  225], 40.00th=[  247], 50.00th=[  265], 60.00th=[  306],
     | 70.00th=[  412], 80.00th=[  486], 90.00th=[  545], 95.00th=[  635],
     | 99.00th=[  816], 99.50th=[  881], 99.90th=[ 1123], 99.95th=[ 1270],
     | 99.99th=[ 1631]
    bw (KB  /s): min=    5, max=  931, per=100.00%, avg=403.50, stdev=125.99
    lat (usec) : 100=0.01%, 250=0.01%, 500=0.04%, 750=0.02%, 1000=0.01%
    lat (msec) : 2=0.09%, 4=0.50%, 10=1.29%, 20=0.31%, 50=0.75%
    lat (msec) : 100=3.11%, 250=36.47%, 500=40.95%, 750=14.51%, 1000=1.72%
    lat (msec) : 2000=0.24%
  cpu          : usr=0.04%, sys=0.19%, ctx=39209, majf=0, minf=61
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
     issued    : total=r=262144/w=0/d=0, short=r=0/w=0/d=0
writetest: (groupid=0, jobs=1): err= 0: pid=1522: Mon Jan 18 11:18:58 2016
  write: io=1024.0MB, bw=407768B/s, iops=99, runt=2633216msec
    slat (usec): min=0, max=878225, avg=298.33, stdev=9146.77
    clat (usec): min=723, max=1531.2K, avg=321135.35, stdev=172862.76
     lat (msec): min=1, max=1531, avg=321.43, stdev=172.77
    clat percentiles (msec):
     |  1.00th=[    6],  5.00th=[   91], 10.00th=[  124], 20.00th=[  194],
     | 30.00th=[  227], 40.00th=[  247], 50.00th=[  265], 60.00th=[  310],
     | 70.00th=[  420], 80.00th=[  486], 90.00th=[  537], 95.00th=[  619],
     | 99.00th=[  807], 99.50th=[  881], 99.90th=[ 1123], 99.95th=[ 1270],
     | 99.99th=[ 1434]
    bw (KB  /s): min=    6, max=  986, per=100.00%, avg=402.96, stdev=125.65
    lat (usec) : 750=0.01%
    lat (msec) : 2=0.02%, 4=0.42%, 10=1.26%, 20=0.34%, 50=0.66%
    lat (msec) : 100=3.19%, 250=36.10%, 500=41.90%, 750=14.38%, 1000=1.53%
    lat (msec) : 2000=0.20%
  cpu          : usr=0.04%, sys=0.20%, ctx=38076, majf=0, minf=27
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=100.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.1%, 64=0.0%, >=64=0.0%
     issued    : total=r=0/w=262144/d=0, short=r=0/w=0/d=0

Run status group 0 (all jobs):
   READ: io=1024.0MB, aggrb=398KB/s, minb=398KB/s, maxb=398KB/s, mint=2629965msec, maxt=2629965msec
  WRITE: io=1024.0MB, aggrb=398KB/s, minb=398KB/s, maxb=398KB/s, mint=2633216msec, maxt=2633216msec

Disk stats (read/write):
    dm-0: ios=262213/263742, merge=0/0, ticks=81915788/83190604, in_queue=166098452, util=100.00%, aggrios=262213/263199, aggrmerge=0/543, aggrticks=81915792/83051644, aggrin_queue=164967160, aggrutil=100.00%
  sda: ios=262213/263199, merge=0/543, ticks=81915792/83051644, in_queue=164967160, util=100.00%