avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.410      0.000    258.230  11311.250      0.000   8428.120 
avg	     0.012      0.000      1.291     56.556      0.000     42.141 
stddev	     0.038      0.000      0.371      8.931      0.000      9.008 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	258034.000    563.000   4124.000  20341.160 1048632.000 10301823.370 192777.350  27976.910 242108.280   1752.720  20000.010 
avg	  1290.170      2.815     20.620    101.706   5243.160  51509.117    963.887    139.885   1210.541      8.764    100.000 
stddev	  3696.522      7.605     58.950     30.647  15022.105  15589.785    136.629     13.635    354.885      2.077      0.077