avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.500      0.000   2349.860   9810.410      0.000   1138.280 
avg	     0.011      0.000     17.668     73.762      0.000      8.558 
stddev	     0.036      0.000      9.343     10.986      0.000      6.090 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    731.000      0.000  32329.610      0.000 16524866.300 135962.110  19111.150  78641.950    547.300  13299.810 
avg	     0.000      5.496      0.000    243.080      0.000 124247.115   1022.272    143.693    591.293      4.115     99.999 
stddev	     0.000     27.269      0.000      3.965      0.000   2261.740      7.902      1.139     47.805      0.067      0.110