avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.550      0.000    242.870   6151.970      0.000  13602.620 
avg	     0.013      0.000      1.214     30.760      0.000     68.013 
stddev	     0.042      0.000      0.465     10.079      0.000     10.292 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	255398.550    178.000   6736.550  22283.160 1048537.940 11386829.110 192008.030  28705.500 225269.610   1568.880  20000.010 
avg	  1276.993      0.890     33.683    111.416   5242.690  56934.146    960.040    143.528   1126.348      7.844    100.000 
stddev	  3908.438      2.533    111.836     32.501  16064.745  16632.314    187.328      2.453    312.070      1.834      0.078