avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.700      0.000     53.620   1914.070      0.000  11330.610 
avg	     0.013      0.000      0.403     14.392      0.000     85.193 
stddev	     0.040      0.000      0.309      6.250      0.000      6.442 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    236.000     46.000  22843.000    184.000 5985188.000  70581.380   1737.240  10944.940    827.650  13287.200 
avg	     0.000      1.774      0.346    171.752      1.383  45001.414    530.687     13.062     82.293      6.223     99.904 
stddev	     0.000      1.945      0.476     41.268      1.903   9413.621     64.728      1.250     29.464      1.849      0.231