avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.080      0.000   1139.860  12476.630      0.000   6377.250 
avg	     0.030      0.000      5.699     62.383      0.000     31.886 
stddev	     0.054      0.000      3.861     13.010      0.000     13.153 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257824.000    506.000   4350.000  22287.740 1048696.000 11374241.430 193747.140  28758.540 226526.520   1584.140  20000.010 
avg	  1289.120      2.530     21.750    111.439   5243.480  56871.207    968.736    143.793   1132.633      7.921    100.000 
stddev	  3661.580     14.055     62.561     32.378  14889.899  16559.556    145.665      1.309    249.938      1.602      0.077