avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.200      0.000     61.450   7672.890      0.000   5564.410 
avg	     0.009      0.000      0.462     57.691      0.000     41.838 
stddev	     0.034      0.000      0.240     17.392      0.000     17.411 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1662744.540      6.000  13517.910     24.000 6698174.140 131715.380  18633.840 184515.970   1348.800  13299.410 
avg	     0.000  12501.839      0.045    101.638      0.180  50362.212    990.341    140.104   1387.338     10.141     99.996 
stddev	     0.000   3192.547      0.270     16.587      1.082   8330.385     14.088      6.517    182.231      1.919      0.116