avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.320      0.000    252.000   4528.660      0.000   8519.000 
avg	     0.002      0.000      1.895     34.050      0.000     64.053 
stddev	     0.020      0.000      0.597     10.415      0.000     10.840 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1403493.500     46.000  13517.670    184.000 5657001.780 114519.820  19073.200 187891.970   1337.490  13299.410 
avg	     0.000  10552.583      0.346    101.637      1.383  42533.848    861.051    143.408   1412.722     10.056     99.996 
stddev	     0.000   3555.637      0.521     19.718      2.084   4262.822    151.107      1.071    168.198      1.340      0.105