avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.490      0.000    809.410   4639.710      0.000   7849.430 
avg	     0.011      0.000      6.086     34.885      0.000     59.018 
stddev	     0.022      0.000      2.856     12.403      0.000     14.475 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    275.000     61.000  17520.000    244.000 7796720.000 117851.290  19068.690 146971.660   1115.220  13300.800 
avg	     0.000      2.068      0.459    131.729      1.835  58621.955    886.100    143.374   1105.050      8.385    100.006 
stddev	     0.000      1.063      0.498     38.602      1.993  17761.964     78.331      1.605    252.632      2.903      0.110