avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.330      0.000    212.060   8181.550      0.000   4906.010 
avg	     0.002      0.000      1.594     61.515      0.000     36.887 
stddev	     0.016      0.000      0.552     16.876      0.000     17.135 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1834702.250      6.000  14601.870     24.000 7401014.930 134792.980  17884.150 165334.080   1269.180  13300.210 
avg	     0.000  13794.754      0.045    109.788      0.180  55646.729   1013.481    134.467   1243.113      9.543    100.002 
stddev	     0.000   5660.198      0.270     21.920      1.082  11120.808     14.770     20.006    278.290      2.235      0.126