avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.950      0.000    354.160  12358.020      0.000    586.000 
avg	     0.015      0.000      2.663     92.917      0.000      4.406 
stddev	     0.012      0.000      1.712      3.520      0.000      3.194 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1935751.480      6.000  15579.250     24.000 7801786.100 132566.960  18862.150 187896.960   2245.710  13299.220 
avg	     0.000  14554.522      0.045    117.137      0.180  58660.046    996.744    141.821   1412.759     16.885     99.994 
stddev	     0.000   7376.601      0.270     54.380      1.082  27507.155     39.364      9.745    717.034     25.314      0.152