avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.910      0.000    200.380  19242.890      0.000    553.810 
avg	     0.015      0.000      1.002     96.214      0.000      2.769 
stddev	     0.039      0.000      0.496      6.930      0.000      6.601 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	224775.820   2204.560   3926.510  18610.510 914812.000 8974072.790 184589.560  27477.830 265504.170   1911.730  20000.010 
avg	  1123.879     11.023     19.633     93.053   4574.060  44870.364    922.948    137.389   1327.521      9.559    100.000 
stddev	  3414.676     21.145     64.075     24.158  13905.551  11671.604    126.776     18.755    342.362      1.977      0.077