avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.070      0.000    304.640   4227.190      0.000   8764.150 
avg	     0.031      0.000      2.291     31.783      0.000     65.896 
stddev	     0.060      0.000      0.743     11.418      0.000     11.951 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1574685.920     51.990  13886.260    207.960 6377531.210 123763.050  19027.170 188475.620   1347.250  13299.810 
avg	     0.000  11839.744      0.391    104.408      1.564  47951.362    930.549    143.061   1417.110     10.130     99.999 
stddev	     0.000   3971.945      0.532     25.044      2.128  10384.166    134.440      1.187    450.319      2.565      0.139