avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.760      0.000     69.970   3976.160      0.000   9253.080 
avg	     0.006      0.000      0.526     29.896      0.000     69.572 
stddev	     0.028      0.000      0.287     10.515      0.000     10.587 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1790006.610      6.000  14228.710     24.000 7218245.700 134904.970  18553.310 176177.700   1317.300  13299.410 
avg	     0.000  13458.696      0.045    106.983      0.180  54272.524   1014.323    139.499   1324.644      9.905     99.996 
stddev	     0.000   3940.799      0.270     23.554      1.082  11950.414      9.853      5.771    244.242      2.595      0.116