avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.890      0.000    513.720  12261.280      0.000    524.220 
avg	     0.007      0.000      3.863     92.190      0.000      3.942 
stddev	     0.011      0.000      2.742      4.589      0.000      4.079 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1547779.020     62.990  15835.020    251.960 6267701.940 116773.630  19051.830 179729.850   1305.640  13300.610 
avg	     0.000  11637.436      0.474    119.060      1.894  47125.578    877.997    143.247   1351.352      9.817    100.005 
stddev	     0.000   3092.938      0.543    147.696      2.170  10639.671     79.726      1.502    262.784      2.631      0.121