avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.650      0.000    132.490   7477.570      0.000   5686.220 
avg	     0.027      0.000      0.996     56.222      0.000     42.754 
stddev	     0.044      0.000      0.502     25.870      0.000     26.295 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2648878.560      9.000  20919.140     36.000 10671567.400 135503.770  18704.740 120277.870    879.280  13299.620 
avg	     0.000  19916.380      0.068    157.287      0.271  80237.349   1018.825    140.637    904.345      6.611     99.997 
stddev	     0.000   3460.663      0.305     22.308      1.221  11729.918     13.493      7.158    146.783      2.017      0.181