avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.090      0.000    291.920  15644.050      0.000   4057.930 
avg	     0.030      0.000      1.460     78.220      0.000     20.290 
stddev	     0.055      0.000      0.464     14.294      0.000     14.498 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	253664.000 1744740.240   8291.990  19054.220 1047823.960 7057516.630 145336.150  28676.370 269500.300   1860.760  19999.320 
avg	  1268.320   8723.701     41.460     95.271   5239.120  35287.583    726.681    143.382   1347.502      9.304     99.997 
stddev	  4091.847   3650.308    133.087     35.942  16899.995  10896.459    204.692      3.007    684.421      2.691      0.105