avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.090      0.000    180.430   6708.280      0.000  12808.290 
avg	     0.016      0.000      0.916     34.052      0.000     65.017 
stddev	     0.044      0.000      0.919     11.686      0.000     12.025 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	1493457.000   1128.590  11757.000  20809.250 752457.330 9512469.130 170905.250  21648.870 193415.650   1710.570  19699.500 
avg	  7581.000      5.729     59.680    105.631   3819.580  48286.645    867.539    109.893    981.805      8.683     99.997 
stddev	 30139.600      4.330    237.297     29.691  15187.205  13535.912    189.537     18.584    792.530      2.492      0.107