avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.510      0.000    130.850   3133.680      0.000  10132.970 
avg	     0.019      0.000      0.976     23.386      0.000     75.619 
stddev	     0.049      0.000      0.385      6.139      0.000      6.274 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1858078.980      6.000  14779.360     24.000 7480614.300 135554.370  18729.880 172149.410   1277.030  13399.410 
avg	     0.000  13866.261      0.045    110.294      0.179  55825.480   1011.600    139.775   1284.697      9.530     99.996 
stddev	     0.000   3471.331      0.269     22.703      1.078  11627.344     15.693     10.215    227.100      2.307      0.104