avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.520      0.000     71.290   6309.650      0.000   6918.620 
avg	     0.004      0.000      0.536     47.441      0.000     52.020 
stddev	     0.022      0.000      0.202      4.577      0.000      4.641 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   4015.940      0.000  18572.730      0.000 5563005.680  85834.630   1579.140  11600.040   1033.520  13299.810 
avg	     0.000     30.195      0.000    139.645      0.000  41827.110    645.373     11.873     87.218      7.771     99.999 
stddev	     0.000     94.239      0.000     52.172      0.000   3716.664    134.519      3.449     12.205      1.763      0.139