avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.480      0.000     74.770   3245.860      0.000   9976.980 
avg	     0.019      0.000      0.562     24.405      0.000     75.015 
stddev	     0.048      0.000      0.364      7.907      0.000      7.967 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1871656.330      6.000  14834.670     24.000 7554980.710 135384.110  18442.740 167269.810   1250.920  13299.810 
avg	     0.000  14072.604      0.045    111.539      0.180  56804.366   1017.926    138.667   1257.668      9.405     99.999 
stddev	     0.000   3804.685      0.270     22.316      1.082  11431.262      6.784     14.764    242.996      2.255      0.148