avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.710      0.000   1528.440    319.570      0.000  11446.230 
avg	     0.043      0.000     11.492      2.403      0.000     86.062 
stddev	     0.049      0.000      5.292      3.058      0.000      6.646 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1149830.440      6.000  10053.740     24.000 4639561.110  78597.390   1227.160   8743.590    517.440   6014.160 
avg	     0.000   8645.342      0.045     75.592      0.180  34883.918    590.958      9.227     65.741      3.891     45.219 
stddev	     0.000   8126.206      0.208     68.287      0.830  31866.660    440.038     14.300     94.952      2.948     41.019