avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    53.920      0.000    387.580   3798.350      0.000   9060.170 
avg	     0.405      0.000      2.914     28.559      0.000     68.122 
stddev	     0.109      0.000      0.624      6.164      0.000      6.488 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1357238.510     46.000  12946.130    184.000 5491114.460 116840.230  19039.100 198713.210   1399.450  13299.810 
avg	     0.000  10204.801      0.346     97.339      1.383  41286.575    878.498    143.151   1494.084     10.522     99.999 
stddev	     0.000   3676.056      0.521     20.672      2.084   4708.405    164.049      1.249    186.623      1.385      0.099