avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.980      0.000    212.780   6849.070      0.000   6236.230 
avg	     0.015      0.000      1.600     51.497      0.000     46.889 
stddev	     0.048      0.000      0.636     17.325      0.000     17.764 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 198842.620      3.000   6876.450     12.000 822537.470  31722.640  19141.880 369970.110   2739.450  13299.410 
avg	     0.000   1495.057      0.023     51.703      0.090   6184.492    238.516    143.924   2781.730     20.597     99.996 
stddev	     0.000    463.351      0.148      9.157      0.594   1138.366      4.533      2.289    249.977      8.180      0.143