avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.440      0.000    175.870   5626.200      0.000  13794.610 
avg	     0.018      0.000      0.897     28.705      0.000     70.381 
stddev	     0.045      0.000      0.746     10.476      0.000     10.809 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	1565880.000    958.920  12332.000  22616.260 789108.000 10581222.910 173137.840  20836.000 164338.760   1553.300  19599.770 
avg	  7989.184      4.892     62.918    115.389   4026.061  53985.831    883.356    106.306    838.463      7.925     99.999 
stddev	 30636.930      4.806    241.316     34.004  15442.286  15889.776    199.995     23.173    424.171      2.366      0.106