avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.120      0.000     84.130   5663.780      0.000   7552.000 
avg	     0.001      0.000      0.633     42.585      0.000     56.782 
stddev	     0.010      0.000      0.241      7.976      0.000      8.030 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1647471.450      6.000  13612.270     24.000 6616207.210 129210.820   6160.430  62141.670   1347.460  13299.810 
avg	     0.000  12387.003      0.045    102.348      0.180  49745.919    971.510     46.319    467.231     10.131     99.999 
stddev	     0.000   3484.058      0.270     18.549      1.082   9072.921     13.487     10.787    145.860      2.033      0.139