avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     7.050      0.000   7918.490   5371.260      0.000      3.010 
avg	     0.053      0.000     59.538     40.385      0.000      0.023 
stddev	     0.064      0.000      7.454      7.452      0.000      0.118 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1791.540     75.390  25703.680    301.580 9822825.900 101565.020  18902.570 101197.880    761.510  13299.040 
avg	     0.000     13.470      0.567    193.261      2.268  73855.834    763.647    142.125    760.886      5.726     99.993 
stddev	     0.000      7.496      0.493     52.541      1.973  20393.559     70.905      2.332    179.347      2.175      0.265