avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.310      0.000     73.820   3742.360      0.000   9483.490 
avg	     0.002      0.000      0.555     28.138      0.000     71.304 
stddev	     0.016      0.000      0.404     12.494      0.000     12.632 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1855244.050      6.000  14673.710     24.000 7473564.990 135425.370  18760.090 172903.580   1270.680  13299.410 
avg	     0.000  13949.203      0.045    110.329      0.180  56192.218   1018.236    141.053   1300.027      9.554     99.996 
stddev	     0.000   3562.854      0.270     23.247      1.082  11865.308      6.208      8.983    233.769      2.376      0.105