avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    61.620      0.000    280.080   3148.330      0.000   9809.930 
avg	     0.463      0.000      2.106     23.672      0.000     73.759 
stddev	     0.159      0.000      0.981      7.001      0.000      7.570 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1844636.000      6.000  14560.000     24.000 7435504.000 135791.810  25108.620 230803.000   1298.890  13300.800 
avg	     0.000  13869.444      0.045    109.474      0.180  55906.045   1020.991    188.787   1735.361      9.766    100.006 
stddev	     0.000   3741.706      0.270     25.615      1.082  13081.289      5.782      5.356    296.765      2.766      0.085