avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.210      0.000  10981.270   2288.410      0.000     23.940 
avg	     0.047      0.000     82.566     17.206      0.000      0.180 
stddev	     0.067      0.000     16.304     16.341      0.000      0.797 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2194725.230      9.980  23052.300     39.920 8878835.240 103917.030   1473.590   8216.470    555.460   9585.440 
avg	     0.000  16501.693      0.075    173.326      0.300  66758.160    781.331     11.080     61.778      4.176     72.071 
stddev	     0.000   3459.796      0.263     34.876      1.053  11316.919     97.012      8.506     54.940      0.648     16.278