avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.390      0.000     34.500  11360.880      0.000   1904.190 
avg	     0.003      0.000      0.259     85.420      0.000     14.317 
stddev	     0.008      0.000      0.120     22.954      0.000     22.949 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2553065.910      9.000  20214.680     36.000 10301157.630 135161.410  19028.730 129627.770   1203.630  13300.020 
avg	     0.000  19195.984      0.068    151.990      0.271  77452.313   1016.251    143.073    974.645      9.050    100.000 
stddev	     0.000   4842.078      0.280     34.237      1.118  17578.909     15.690      2.734    281.607     15.861      0.212