avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.230      0.000    326.790   1199.410      0.000   1973.600 
avg	     0.007      0.000      9.337     34.269      0.000     56.389 
stddev	     0.013      0.000      1.728      4.206      0.000      4.592 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 387931.920     10.050   3779.800     40.190 1413762.140  28459.360   6247.060  62189.370    340.950   3422.850 
avg	     0.000  11083.769      0.287    107.994      1.148  40393.204    813.125    178.487   1776.839      9.741     97.796 
stddev	     0.000   4274.520      0.279     39.383      1.117  18015.926    328.270     26.357    463.120      2.413      9.195