avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.520      0.000     81.090   1782.500      0.000  11435.860 
avg	     0.004      0.000      0.610     13.402      0.000     85.984 
stddev	     0.023      0.000      0.405      3.906      0.000      4.099 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1570674.400     53.000  18827.340    212.000 6359040.480  92375.960   1607.980  12140.520   1017.150  13279.410 
avg	     0.000  11809.582      0.398    141.559      1.594  47812.334    694.556     12.090     91.282      7.648     99.845 
stddev	     0.000   2549.041      0.519     36.736      2.078  10324.607    126.215      2.977     33.877      2.553      0.293