avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.580      0.000    237.730  12320.020      0.000    741.660 
avg	     0.004      0.000      1.787     92.632      0.000      5.576 
stddev	     0.008      0.000      1.197      7.737      0.000      7.103 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1213834.420      4.990  10561.940     19.960 4964207.130 120732.250   4735.500  61220.490   2358.920  10401.530 
avg	     0.000   9126.575      0.038     79.413      0.150  37324.866    907.761     35.605    460.304     17.736     78.207 
stddev	     0.000   4845.013      0.190     42.669      0.759  21095.075    165.111     38.749    569.295     29.535     26.885