avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.750      0.000     73.780   4170.290      0.000   9053.150 
avg	     0.021      0.000      0.555     31.356      0.000     68.069 
stddev	     0.050      0.000      0.301      9.377      0.000      9.477 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1843327.530      6.000  14641.800     24.000 7430622.930 134933.580  17932.180 165136.080   1257.800  13299.810 
avg	     0.000  13859.605      0.045    110.089      0.180  55869.345   1014.538    134.828   1241.625      9.457     99.999 
stddev	     0.000   5543.957      0.270     20.677      1.082  10530.737      9.033     21.505    239.887      2.032      0.130