avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.130      0.000    110.510   2596.760      0.000  10592.570 
avg	     0.001      0.000      0.831     19.525      0.000     79.643 
stddev	     0.011      0.000      0.499      5.821      0.000      5.883 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1566756.000     52.000  13977.000    208.000 6344020.000 122748.670  18867.790 183364.730   1355.650  13300.400 
avg	     0.000  11780.120      0.391    105.090      1.564  47699.398    922.922    141.863   1378.682     10.193    100.003 
stddev	     0.000   3920.305      0.518     27.039      2.071  10645.497    132.072      4.087    287.595      2.880      0.077