avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.460      0.000    183.200   4944.410      0.000  14870.040 
avg	     0.012      0.000      0.916     24.722      0.000     74.350 
stddev	     0.039      0.000      0.405      6.748      0.000      6.917 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	253745.000 2122992.540   8242.000  28857.240 1047948.000 8608315.090 118442.470   3692.040  21869.600   1293.930  19994.610 
avg	  1268.725  10614.963     41.210    144.286   5239.740  43041.575    592.212     18.460    109.348      6.470     99.973 
stddev	  4135.891   3593.678    134.095     56.383  17082.728  14295.559    156.949      8.790     45.594      2.304      0.118