avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.680      0.000    803.580  12355.930      0.000    138.710 
avg	     0.013      0.000      6.042     92.902      0.000      1.043 
stddev	     0.019      0.000      1.846      4.777      0.000      3.625 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2059035.820      9.000  16928.590     36.000 8312149.900 130375.900   4832.180  38986.160   1041.970  12737.810 
avg	     0.000  15481.472      0.068    127.283      0.271  62497.368    980.270     36.332    293.129      7.834     95.773 
stddev	     0.000   3407.156      0.251     22.875      1.005  11951.636     54.035     35.776    305.777      2.296     10.213