avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.670      0.000    201.910   4842.860      0.000   8254.710 
avg	     0.005      0.000      1.518     36.412      0.000     62.065 
stddev	     0.029      0.000      0.682     12.914      0.000     13.277 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1559576.290      4.000  12298.120     16.000 6281441.390 135817.370  19007.860 205486.530   1438.100  13299.810 
avg	     0.000  11726.138      0.030     92.467      0.120  47228.883   1021.183    142.916   1545.012     10.813     99.999 
stddev	     0.000   1225.926      0.210      1.304      0.841    763.176      6.782      1.293    117.171      0.147      0.099