avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.240      0.000     86.480  13077.530      0.000    135.780 
avg	     0.002      0.000      0.650     98.327      0.000      1.021 
stddev	     0.015      0.000      0.433      3.866      0.000      3.649 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1433380.670      4.000  11989.100     16.000 5782004.950 128236.270  18618.760 206639.190   1476.780  13299.410 
avg	     0.000  10777.298      0.030     90.144      0.120  43473.721    964.182    139.991   1553.678     11.104     99.996 
stddev	     0.000   2534.107      0.210      3.307      0.841   1865.300     20.138      8.769    113.908      0.408      0.092