avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.930      0.000    183.290   2527.910      0.000  10585.820 
avg	     0.022      0.000      1.378     19.007      0.000     79.593 
stddev	     0.050      0.000      0.684      7.917      0.000      8.249 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1898447.050      6.000  15035.650     24.000 7655414.570 135388.760  17671.970 159468.780   1233.830  13299.810 
avg	     0.000  14274.038      0.045    113.050      0.180  57559.508   1017.961    132.872   1199.013      9.277     99.999 
stddev	     0.000   4618.126      0.270     22.582      1.082  11517.847     10.546     10.138    225.987      2.206      0.121