avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.310      0.000    325.970   7861.160      0.000  11804.700 
avg	     0.042      0.000      1.630     39.306      0.000     59.024 
stddev	     0.071      0.000      0.897     13.053      0.000     13.366 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	1941694.000    531.930  15290.000  20411.750 978492.000 9842069.930 179026.940  28546.410 249318.450   1715.350  19999.980 
avg	  9708.470      2.660     76.450    102.059   4892.460  49210.350    895.135    142.732   1246.592      8.577    100.000 
stddev	 33198.548      2.873    261.443     30.954  16730.959  15072.093    228.595      2.588    521.627      2.579      0.126