avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.030      0.000   1570.970   4129.400      0.000   7596.650 
avg	     0.023      0.000     11.812     31.048      0.000     57.118 
stddev	     0.035      0.000      6.710     17.440      0.000     23.655 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1837386.880      9.000  16216.490     36.000 7413022.300 121502.010   1400.610  11774.620    999.910  10120.420 
avg	     0.000  13814.939      0.068    121.928      0.271  55737.010    913.549     10.531     88.531      7.518     76.093 
stddev	     0.000   2641.152      0.251     26.784      1.005  12543.929     52.158     22.637    210.591     13.972     15.156