avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.870      0.000   1249.400   4690.650      0.000   7358.130 
avg	     0.014      0.000      9.394     35.268      0.000     55.324 
stddev	     0.022      0.000      3.461      9.987      0.000     12.271 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1940550.000     63.000  17286.000    252.000 7834868.000 127804.990  19014.260 154303.160   1166.660  13300.800 
avg	     0.000  14590.602      0.474    129.970      1.895  58908.782    960.940    142.964   1160.174      8.772    100.006 
stddev	     0.000   5615.587      0.514     56.405      2.057  17486.199    184.890      1.390    267.073      3.273      0.120