avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.860      0.000    143.380  12729.890      0.000   7123.820 
avg	     0.014      0.000      0.717     63.649      0.000     35.619 
stddev	     0.041      0.000      0.857     16.848      0.000     16.979 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	1818234.000   1197.880  14318.500  18221.010 916318.000 7884056.570 162440.720  22985.330 223950.700   1930.270  20000.310 
avg	  9091.170      5.989     71.593     91.105   4581.590  39420.283    812.204    114.927   1119.753      9.651    100.002 
stddev	 32701.362      4.830    257.522     24.680  16480.999  10671.302    199.502     10.351    486.533      2.622      0.078