avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.900      0.000   1264.460   6434.060      0.000   5600.600 
avg	     0.007      0.000      9.507     48.376      0.000     42.110 
stddev	     0.019      0.000      3.459     16.678      0.000     19.898 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1990226.100      6.000  15729.460     24.000 8025858.220 135416.120  18940.970 166187.570   1345.210  13299.810 
avg	     0.000  14964.106      0.045    118.267      0.180  60344.799   1018.166    142.413   1249.531     10.114     99.999 
stddev	     0.000   5151.787      0.270     42.604      1.082  21950.108      8.666      1.894    348.577      5.110      0.177