avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.120      0.000     31.040  13268.840      0.000      0.000 
avg	     0.001      0.000      0.233     99.766      0.000      0.000 
stddev	     0.010      0.000      0.158      0.158      0.000      0.000 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1303.000     28.000  14588.000    112.000 3733040.000  75846.440  19106.190 182388.440   1307.070  13300.400 
avg	     0.000      9.797      0.211    109.684      0.842  28067.970    570.274    143.656   1371.342      9.828    100.003 
stddev	     0.000      8.034      0.408     34.081      1.631   5750.454    203.211      1.263    283.529      2.432      0.035