avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.020      0.000    811.260  12452.970      0.000     34.580 
avg	     0.008      0.000      6.100     93.631      0.000      0.260 
stddev	     0.020      0.000      1.435      1.800      0.000      0.944 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    910.280      0.000  13749.070      0.000 5418185.860 104993.740   5739.610  55459.470   1289.720  13300.370 
avg	     0.000      6.844      0.000    103.376      0.000  40738.240    789.427     43.155    416.988      9.697    100.003 
stddev	     0.000     15.417      0.000      5.048      0.000   2320.262     50.310     11.720    109.219      0.482      0.061