randread: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=64
fio-2.2.5
Starting 1 process
randread: Laying out IO file(s) (1 file(s) / 1024MB)

randread: (groupid=0, jobs=1): err= 0: pid=2902: Sun Feb 22 15:16:23 2015
  read : io=1024.0MB, bw=13002KB/s, iops=3250, runt= 80649msec
    slat (usec): min=9, max=27367, avg=16.09, stdev=53.94
    clat (usec): min=3, max=3055.4K, avg=19671.01, stdev=110078.81
     lat (usec): min=20, max=3055.5K, avg=19687.39, stdev=110079.34
    clat percentiles (usec):
     |  1.00th=[    8],  5.00th=[   16], 10.00th=[   16], 20.00th=[   20],
     | 30.00th=[   21], 40.00th=[   23], 50.00th=[   24], 60.00th=[   32],
     | 70.00th=[   55], 80.00th=[  110], 90.00th=[  462], 95.00th=[ 1096],
     | 99.00th=[585728], 99.50th=[618496], 99.90th=[1089536], 99.95th=[1384448],
     | 99.99th=[2113536]
    bw (KB  /s): min= 4648, max=142888, per=94.56%, avg=12293.22, stdev=15144.77
    lat (usec) : 4=0.01%, 10=1.11%, 20=17.70%, 50=50.07%, 100=10.44%
    lat (usec) : 250=7.46%, 500=3.90%, 750=2.09%, 1000=1.34%
    lat (msec) : 2=1.98%, 4=0.01%, 10=0.01%, 20=0.01%, 50=0.09%
    lat (msec) : 100=0.16%, 250=0.34%, 500=0.90%, 750=2.14%, 1000=0.12%
    lat (msec) : 2000=0.11%, >=2000=0.01%
  cpu          : usr=1.93%, sys=7.38%, ctx=142238, majf=0, minf=74
  IO depths    : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
     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=0.0%, 64=0.1%, >=64=0.0%
     issued    : total=r=262144/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=64

Run status group 0 (all jobs):
   READ: io=1024.0MB, aggrb=13001KB/s, minb=13001KB/s, maxb=13001KB/s, mint=80649msec, maxt=80649msec

Disk stats (read/write):
  loop0: ios=255903/105, merge=0/2, ticks=5455660/193436, in_queue=5755656, util=100.00%
