avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.410      0.000    184.630   7598.920      0.000   5515.990 
avg	     0.003      0.000      1.388     57.135      0.000     41.474 
stddev	     0.008      0.000      0.800     21.694      0.000     21.662 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1340815.820      5.000  18223.660     20.000 5436073.860 104462.270   2197.570  22183.900   1263.790   8183.810 
avg	     0.000  10081.322      0.038    137.020      0.150  40872.736    785.431     16.523    166.796      9.502     61.532 
stddev	     0.000   4410.915      0.190    131.513      0.761  20217.747    290.612     28.989    324.747     25.918     28.199