avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.870      0.000   1160.660   5523.560      0.000  13110.890 
avg	     0.025      0.000      5.862     27.897      0.000     66.217 
stddev	     0.054      0.000      5.670      8.897      0.000     10.420 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	248863.000    508.000   4066.000  22370.950 1011964.000 11284227.250 190329.940  28441.370 222669.990   1555.300  19799.910 
avg	  1256.884      2.566     20.535    112.985   5110.929  56991.047    961.262    143.643   1124.596      7.855    100.000 
stddev	  3657.812     12.736     60.510     32.217  14873.933  16292.258    135.819      1.281    270.296      1.519      0.077