avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.400      0.000    186.000   4663.180      0.000   9146.360 
avg	     0.031      0.000      1.329     33.308      0.000     65.331 
stddev	     0.058      0.000      0.568      9.526      0.000      9.682 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	254197.000 1264689.400   7766.170  12580.370 1047852.670 5104651.860 103874.840  19910.000 179207.840   1257.120  14000.280 
avg	  1815.693   9033.496     55.473     89.860   7484.662  36461.799    741.963    142.214   1280.056      8.979    100.002 
stddev	  4572.114   3580.275    141.245     31.589  18850.047  12504.008    188.291      2.450    475.973      2.947      0.093