avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.990      0.000    258.290   3839.380      0.000  15898.300 
avg	     0.020      0.000      1.291     19.197      0.000     79.491 
stddev	     0.048      0.000      0.686      4.775      0.000      5.284 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	2081014.000  17082.260  16386.000  48595.080 1048700.000 10348532.470  86761.370    494.990   1715.540    688.220  17413.700 
avg	 10405.070     85.411     81.930    242.975   5243.500  51742.662    433.807      2.475      8.578      3.441     87.069 
stddev	 35434.888     79.076    278.982    116.460  17854.525  17457.715    141.244      1.312      3.347      1.457     12.013