avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.460      0.000   1841.000  15666.600      0.000   2491.010 
avg	     0.007      0.000      9.205     78.333      0.000     12.455 
stddev	     0.020      0.000      0.765      7.449      0.000      7.942 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    389.740      0.000  21315.880      0.000 10417993.580 193300.040  23159.200 217764.920   2087.560  19526.930 
avg	     0.000      1.949      0.000    106.579      0.000  52089.968    966.500    115.796   1088.825     10.438     97.635 
stddev	     0.000      2.995      0.000     25.826      0.000  13014.614     93.268     30.422    354.910      8.134      9.836