avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    62.620      0.000    282.600   1843.090      0.000  11111.600 
avg	     0.471      0.000      2.125     13.858      0.000     83.546 
stddev	     0.110      0.000      0.661      3.793      0.000      3.698 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1539832.890      6.000  12922.110     24.000 6201340.990 127668.430  22007.810 228132.690   1403.730  13298.820 
avg	     0.000  11577.691      0.045     97.159      0.180  46626.624    959.913    165.472   1715.283     10.554     99.991 
stddev	     0.000   6441.107      0.270     14.951      1.082   7142.803     29.076     38.098    414.172      1.758      0.156