avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.320      0.000    372.820  12887.930      0.000     37.840 
avg	     0.010      0.000      2.803     96.902      0.000      0.285 
stddev	     0.022      0.000      0.313      0.308      0.000      0.091 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     92.000      0.000  12074.070      0.000 5700422.360 125605.610   5280.810  58218.850   1468.290  13299.810 
avg	     0.000      0.692      0.000     90.782      0.000  42860.318    944.403     39.705    437.736     11.040     99.999 
stddev	     0.000      1.056      0.000      4.249      0.000   1994.382     16.328      7.382     80.911      0.528      0.130