avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.840      0.000    995.530  18923.950      0.000     77.670 
avg	     0.014      0.000      4.978     94.620      0.000      0.388 
stddev	     0.039      0.000      3.509      3.903      0.000      1.569 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257824.000    515.000   4350.000  23435.230 1048696.000 11088678.260 180400.840  28739.390 216752.000   1525.570  20000.110 
avg	  1289.120      2.575     21.750    117.176   5243.480  55443.391    902.004    143.697   1083.760      7.628    100.001 
stddev	  3543.496     14.083     61.155     34.740  14411.701  16556.572    126.329      1.525    268.378      1.748      0.075