avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.030      0.000  12118.450    948.780      0.000    227.600 
avg	     0.038      0.000     91.116      7.134      0.000      1.711 
stddev	     0.063      0.000      7.150      6.000      0.000      2.361 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1799851.130    116.990  43042.910    467.960 7374709.540  49333.860   1532.290   5421.460    349.350  10552.610 
avg	     0.000  13532.715      0.880    323.631      3.518  55448.944    370.931     11.521     40.763      2.627     79.343 
stddev	     0.000   2927.106      0.407     76.921      1.630  10416.873    151.007      9.224     48.128      0.967     13.299