avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.420      0.000    449.110  12688.270      0.000    162.130 
avg	     0.003      0.000      3.377     95.401      0.000      1.219 
stddev	     0.013      0.000      0.838      1.531      0.000      1.189 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1078419.130     37.980  10759.600    151.920 4381224.510 108680.990  17430.180 216633.840   2098.260  13299.410 
avg	     0.000   8108.415      0.286     80.899      1.142  32941.538    817.150    131.054   1628.826     15.776     99.996 
stddev	     0.000   3960.912      0.468     33.640      1.870  14777.599    166.400     22.756    470.325      9.784      0.116