avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    24.920      0.000   1007.140  12683.580      0.000     84.530 
avg	     0.181      0.000      7.298     91.910      0.000      0.613 
stddev	     0.054      0.000      1.717      5.283      0.000      5.558 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1723529.000     56.000  17249.000    224.000 7022728.000 114559.380  19888.820 163307.070   1275.200  13774.400 
avg	     0.000  12489.341      0.406    124.993      1.623  50889.333    830.140    144.122   1183.385      9.241     99.814 
stddev	     0.000   5734.412      0.506     41.748      2.022  16277.119    158.212     15.865    330.873      4.597      2.207