avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.620      0.000   2331.570   9606.740      0.000   8060.040 
avg	     0.008      0.000     11.658     48.034      0.000     40.300 
stddev	     0.022      0.000      3.390     10.800      0.000     11.447 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257886.000    875.590   4288.000  38967.000 1048696.000 19806656.320 196019.150  28795.890 135273.620    938.420  20000.710 
avg	  1289.430      4.378     21.440    194.835   5243.480  99033.282    980.096    143.979    676.368      4.692    100.004 
stddev	  4049.129     23.145     67.466     38.810  16463.982  19827.184    116.646      2.587     90.879      0.481      0.091