avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.540      0.000    236.760   4136.230      0.000   8920.520 
avg	     0.049      0.000      1.780     31.099      0.000     67.072 
stddev	     0.086      0.000      0.797     14.359      0.000     15.046 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1559057.000      5.000  12304.000     20.000 6285428.000 135826.760  19026.060 205723.550   1437.620  13300.800 
avg	     0.000  11722.233      0.038     92.511      0.150  47258.857   1021.254    143.053   1546.794     10.809    100.006 
stddev	     0.000   1330.251      0.226      1.693      0.905    946.875      5.757      0.645    179.517      0.198      0.049