avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.950      0.000     55.360   5648.760      0.000   7593.970 
avg	     0.015      0.000      0.416     42.472      0.000     57.098 
stddev	     0.040      0.000      0.240      8.152      0.000      8.164 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1424778.860     47.990  14283.150    191.960 5756920.280 109378.750   7118.080  67763.100   1307.210  13299.810 
avg	     0.000  10712.623      0.361    107.392      1.443  43285.115    822.397     53.519    509.497      9.829     99.999 
stddev	     0.000   1750.967      0.496     24.597      1.982   8397.859    133.211     17.236    171.357      2.487      0.121