avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.720      0.000    452.850  12587.330      0.000    258.010 
avg	     0.013      0.000      3.405     94.642      0.000      1.940 
stddev	     0.019      0.000      1.119      2.608      0.000      2.560 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     53.990      0.000  17690.700      0.000 8926101.570 134197.320   4375.180  32692.860    994.450  13210.610 
avg	     0.000      0.406      0.000    133.013      0.000  67113.546   1009.002     32.896    245.811      7.477     99.328 
stddev	     0.000      0.626      0.000      7.515      0.000   3920.748     10.015     11.506     84.117      0.255      4.279