avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.090      0.000   1586.860   4323.780      0.000   7387.240 
avg	     0.016      0.000     11.931     32.510      0.000     55.543 
stddev	     0.023      0.000      3.382      9.471      0.000     11.918 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1696179.500    108.990  18140.980    435.960 6905715.490 102619.720  15253.640 113048.330   1017.310  13283.010 
avg	     0.000  12753.229      0.819    136.398      3.278  51922.673    771.577    114.689    849.987      7.649     99.872 
stddev	     0.000   2947.862      0.439     29.952      1.757  10345.596    130.138     23.910    206.009      1.822      1.026