avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.340      0.000    377.350   4960.310      0.000   7962.060 
avg	     0.003      0.000      2.837     37.296      0.000     59.865 
stddev	     0.016      0.000      1.137     11.802      0.000     12.514 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1551409.740      5.000  12286.070     20.000 6267663.490 135636.550  18958.030 205317.850   1439.670  13299.810 
avg	     0.000  11664.735      0.038     92.376      0.150  47125.289   1019.824    142.542   1543.743     10.825     99.999 
stddev	     0.000   1332.237      0.226      1.653      0.905   1016.435      7.653      1.455    176.632      0.194      0.110