avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.790      0.000    240.860   2968.250      0.000  16786.120 
avg	     0.024      0.000      1.204     14.841      0.000     83.931 
stddev	     0.051      0.000      0.659      4.481      0.000      4.913 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	2080997.000   4193.990  16387.000  25722.870 1048692.000 11068762.800 162224.560   1880.370  12428.560   1384.360  19987.710 
avg	 10404.985     20.970     81.935    128.614   5243.460  55343.814    811.123      9.402     62.143      6.922     99.939 
stddev	 34948.245    254.225    275.196     50.473  17611.926  18019.339    216.140      2.196     21.701      2.259      0.448