avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.510      0.000     25.720   9865.420      0.000   3408.290 
avg	     0.004      0.000      0.193     74.176      0.000     25.626 
stddev	     0.022      0.000      0.149      6.865      0.000      6.861 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1326.870     38.000  16906.650    152.000 5021760.670  79220.580   4511.830  37430.190   1083.600  13299.810 
avg	     0.000      9.976      0.286    127.118      1.143  37757.599    595.643     33.924    281.430      8.147     99.999 
stddev	     0.000      3.146      0.452     23.142      1.807   6335.607     39.519      5.574     94.367      1.687      0.139