avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.510      0.000   2154.240   4669.280      0.000   6472.870 
avg	     0.026      0.000     16.197     35.107      0.000     48.668 
stddev	     0.041      0.000     24.076     35.012      0.000     37.379 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 639777.780     32.990  14272.540    131.960 2616805.780  57788.430    658.330   5686.340    560.780   4828.760 
avg	     0.000   4810.359      0.248    107.312      0.992  19675.231    434.499      4.950     42.754      4.216     36.306 
stddev	     0.000   3531.147      0.481     85.115      1.925  13856.051    263.228      7.819     38.785      2.452     20.864