avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.920      0.000   1455.130   5876.210      0.000   5967.700 
avg	     0.007      0.000     10.941     44.182      0.000     44.870 
stddev	     0.021      0.000      4.784     17.291      0.000     21.089 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1960618.680      9.000  15723.820     36.000 7928754.100 133777.140   6540.120  53944.480   1108.190  12187.410 
avg	     0.000  14741.494      0.068    118.224      0.271  59614.692   1005.843     49.174    405.598      8.332     91.635 
stddev	     0.000   4818.449      0.251     34.122      1.005  17269.078     41.445     35.355    297.278      3.521     19.244