avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.420      0.000     40.910   7980.590      0.000   5273.060 
avg	     0.041      0.000      0.308     60.004      0.000     39.647 
stddev	     0.067      0.000      0.178     16.898      0.000     16.952 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1298164.000     44.000  12835.000    176.000 5244364.000 110903.060  19061.200 198511.400   1421.240  13300.400 
avg	     0.000   9760.632      0.331     96.504      1.323  39431.308    833.858    143.317   1492.567     10.686    100.003 
stddev	     0.000   3401.188      0.501     18.694      2.006   6108.311    139.716      1.034    174.006      1.938      0.060