avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.910      0.000    102.600   1957.430      0.000  11239.000 
avg	     0.007      0.000      0.771     14.718      0.000     84.504 
stddev	     0.037      0.000      0.491      5.561      0.000      5.900 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1829773.290      6.000  19065.090     24.000 7394300.550 103473.660   1420.800  10771.360    991.100  13299.410 
avg	     0.000  13757.694      0.045    143.347      0.180  55596.245    777.997     10.683     80.988      7.452     99.996 
stddev	     0.000   3153.781      0.270     34.043      1.082  12673.870     34.108      1.171     29.028      2.057      0.167