avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.900      0.000    236.730   2020.510      0.000  11041.860 
avg	     0.007      0.000      1.780     15.192      0.000     83.022 
stddev	     0.018      0.000      1.343     11.569      0.000     12.878 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    244.990     48.980  12957.710    195.920 5895244.080 118187.510  19115.410 268273.460   4622.290  13299.620 
avg	     0.000      1.842      0.368     97.426      1.473  44325.143    888.628    143.725   2017.094     34.754     99.997 
stddev	     0.000      1.729      0.482     72.604      1.929  33135.272     52.957      3.664   1280.718     44.315      0.209