avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.400      0.000    369.030  12017.910      0.000    912.690 
avg	     0.003      0.000      2.775     90.360      0.000      6.862 
stddev	     0.011      0.000      0.656      7.545      0.000      7.689 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1730418.000     56.000  17107.000    224.000 6984192.000 110587.220  19061.400 150745.360   1177.190  13300.800 
avg	     0.000  13010.662      0.421    128.624      1.684  52512.722    831.483    143.319   1133.424      8.851    100.006 
stddev	     0.000   5613.120      0.509     41.543      2.035  17968.707    172.616      1.874    237.848      3.849      0.098