avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.120      0.000    201.920   5894.100      0.000   7203.000 
avg	     0.008      0.000      1.518     44.317      0.000     54.158 
stddev	     0.021      0.000      0.440      5.466      0.000      5.716 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    270.980     37.000  13109.650    148.000 4765291.920  96125.450   5943.150  61959.800   1571.120  13199.010 
avg	     0.000      2.037      0.278     98.569      1.113  35829.263    722.748     44.685    465.863     11.813     99.241 
stddev	     0.000      2.579      0.448     31.056      1.792  11494.765     59.660     23.725    301.163      6.239      2.191