avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.560      0.000    730.480   5143.570      0.000   7424.440 
avg	     0.012      0.000      5.492     38.673      0.000     55.823 
stddev	     0.028      0.000      1.633     11.691      0.000     12.616 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1215695.960      6.000   9844.350     24.000 4906508.550 132249.600   4188.820  56718.960   1907.610  12805.070 
avg	     0.000   9140.571      0.045     74.018      0.180  36891.042    994.358     31.495    426.458     14.343     96.279 
stddev	     0.000   2836.895      0.208     16.985      0.830   8642.779     35.575     27.195    367.257      8.795     10.608