avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.820      0.000   1055.420    285.960      0.000  11957.790 
avg	     0.006      0.000      7.935      2.150      0.000     89.908 
stddev	     0.012      0.000      3.496      3.060      0.000      5.307 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000  40942.540      0.000  26493.990      0.000 4310082.220  62835.810   2923.470  28388.950    917.230   7376.530 
avg	     0.000    307.839      0.000    199.203      0.000  32406.633    472.450     21.981    213.451      6.896     55.463 
stddev	     0.000    280.534      0.000    117.987      0.000  16413.626    320.917     28.735    287.641     15.784     35.152