avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.070      0.000     67.140   4371.880      0.000   8855.910 
avg	     0.038      0.000      0.505     32.871      0.000     66.586 
stddev	     0.070      0.000      0.250     13.243      0.000     13.342 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1829480.000      6.000  14506.000     24.000 7362124.000 134928.160  17991.410 166460.710   1279.100  13300.400 
avg	     0.000  13755.489      0.045    109.068      0.180  55354.316   1014.497    135.274   1251.584      9.617    100.003 
stddev	     0.000   4484.847      0.270     21.857      1.082  11142.384      8.704     20.094    253.447      2.288      0.077