avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    10.340      0.000  12077.730   1157.610      0.000     54.150 
avg	     0.078      0.000     90.810      8.704      0.000      0.407 
stddev	     0.078      0.000      8.640      8.234      0.000      0.868 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2504610.390     81.970  22447.170    327.880 10111405.420 124475.000  16773.560 103789.010    863.180  13009.480 
avg	     0.000  18831.657      0.616    168.776      2.465  76025.605    935.902    126.117    780.368      6.490     97.816 
stddev	     0.000   7613.082      0.516     60.896      2.064  26379.092    216.297     32.897    292.754      2.357      7.733