avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.140      0.000    168.990  12884.500      0.000    245.320 
avg	     0.009      0.000      1.271     96.876      0.000      1.845 
stddev	     0.021      0.000      0.356      2.403      0.000      2.380 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1450.000     69.000  11422.000    276.000 4431428.000 103553.400  15818.700 183536.440   1704.530  13295.600 
avg	     0.000     10.902      0.519     85.880      2.075  33319.008    778.597    118.938   1379.973     12.816     99.967 
stddev	     0.000      5.647      0.500     25.734      1.999   9838.678    114.793     29.868    379.360      4.658      0.299