avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.200      0.000    101.410   7803.220      0.000   5395.160 
avg	     0.002      0.000      0.762     58.671      0.000     40.565 
stddev	     0.012      0.000      0.388     19.863      0.000     19.999 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1544494.290      5.000  12275.110     20.000 6213401.270 134689.490  18626.680 202116.700   1441.950  13299.810 
avg	     0.000  11612.739      0.038     92.294      0.150  46717.303   1012.703    140.050   1519.674     10.842     99.999 
stddev	     0.000   3257.746      0.226      3.275      0.905   1107.405     28.948     12.126    162.358      0.319      0.121