avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.630      0.000    418.780  12392.670      0.000    487.110 
avg	     0.012      0.000      3.149     93.178      0.000      3.662 
stddev	     0.014      0.000      1.045      3.881      0.000      3.990 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1911934.500      6.000  15399.470     24.000 7713762.180 132477.050  18655.570 194580.220   2432.380  13300.210 
avg	     0.000  14375.447      0.045    115.785      0.180  57998.212    996.068    140.267   1463.009     18.289    100.002 
stddev	     0.000   7668.146      0.270     54.607      1.082  27443.907     30.799     13.051    755.567     30.083      0.116