avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.720      0.000    306.690  12229.830      0.000    762.770 
avg	     0.005      0.000      2.306     91.954      0.000      5.735 
stddev	     0.009      0.000      1.890      7.625      0.000      6.790 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1483218.880      7.000  12999.350     28.000 5993290.650 122299.360   2125.770  20666.320   1070.390   9977.820 
avg	     0.000  11152.022      0.053     97.739      0.211  45062.336    919.544     15.983    155.386      8.048     75.021 
stddev	     0.000   3501.168      0.223     29.756      0.893  14389.256     61.300     15.446    140.521      3.023     21.562