avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.330      0.000     86.120     28.680      0.000   1884.880 
avg	     0.017      0.000      4.306      1.434      0.000     94.244 
stddev	     0.019      0.000      1.171      1.393      0.000      1.468 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     38.820      0.000   1023.970      0.000 461953.220  18120.110   1541.980  30881.300    399.050   1963.670 
avg	     0.000      1.941      0.000     51.198      0.000  23097.661    906.005     77.099   1544.065     19.953     98.183 
stddev	     0.000      2.071      0.000     12.072      0.000   5048.454     35.026     36.192    733.986      3.406      5.831