avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.750      0.000   3058.110   6442.170      0.000   9297.020 
avg	     0.015      0.000     16.267     34.267      0.000     49.452 
stddev	     0.027      0.000      3.608      8.481      0.000      8.024 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1345327.790     85.930  13363.910    343.710 5459920.130 152358.770  25835.740 368206.020   3247.330  18798.510 
avg	     0.000   7155.999      0.457     71.085      1.828  29042.128    810.419    137.424   1958.543     17.273     99.992 
stddev	     0.000   2306.705      0.506     27.232      2.024  11136.161     83.651     39.580    673.072     10.399      0.168