avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.070      0.000    344.600   4884.110      0.000  13163.130 
avg	     0.044      0.000      1.873     26.544      0.000     71.539 
stddev	     0.065      0.000      0.826      9.459      0.000     10.024 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	253628.000 1846427.500   8347.000  19138.810 1047900.000 7447876.710 137342.660  26390.850 223111.450   1585.430  18400.110 
avg	  1378.413  10034.932     45.364    104.015   5695.109  40477.591    746.427    143.429   1212.562      8.616    100.001 
stddev	  4265.369   4736.910    139.494     39.233  17620.004  14262.406    213.508      4.023    552.545      3.080      0.082