avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    47.060      0.000    331.310   4925.050      0.000   7996.450 
avg	     0.354      0.000      2.491     37.030      0.000     60.124 
stddev	     0.116      0.000      0.963     11.108      0.000     11.756 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1565044.550     52.000  13856.810    208.000 6316187.680 122388.420  19031.670 184841.270   1347.320  13299.810 
avg	     0.000  11767.252      0.391    104.187      1.564  47490.133    920.214    143.095   1389.784     10.130     99.999 
stddev	     0.000   4559.945      0.518     23.390      2.071  10955.208    141.824      1.232    384.676      2.612      0.110