avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.640      0.000    560.860  12703.600      0.000     32.810 
avg	     0.020      0.000      4.217     95.516      0.000      0.247 
stddev	     0.028      0.000      0.790      0.808      0.000      0.118 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1066226.920     37.000  11823.610    148.000 4327970.730 100379.630   5784.010  66333.570   1689.500  13080.610 
avg	     0.000   8016.744      0.278     88.899      1.113  32541.133    754.734     43.489    498.749     12.703     98.350 
stddev	     0.000   2489.003      0.480     29.672      1.922   8509.763    116.406     25.662    314.269      5.665      3.022