avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    81.110      0.000   1531.580   2446.430      0.000  15940.830 
avg	     0.406      0.000      7.658     12.232      0.000     79.704 
stddev	     0.152      0.000      4.772      3.988      0.000      5.014 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    541.000      0.000  22955.430      0.000 11733613.870 204450.380  28734.500 253084.980   1808.510  19999.420 
avg	     0.000      2.705      0.000    114.777      0.000  58668.069   1022.252    143.672   1265.425      9.043     99.997 
stddev	     0.000     14.718      0.000     20.552      0.000  10535.918      9.428      1.217    187.796      1.872      0.136