avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.180      0.000   1610.060   4874.990      0.000   6812.730 
avg	     0.016      0.000     12.106     36.654      0.000     51.224 
stddev	     0.030      0.000      8.826     22.034      0.000     28.875 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1959471.050     64.000  15522.800    256.000 7897480.750 134751.880  19002.660 162925.510   1148.990  13300.210 
avg	     0.000  14732.865      0.481    116.713      1.925  59379.555   1013.172    142.877   1225.004      8.639    100.002 
stddev	     0.000   2272.379      0.500     12.968      1.999   6666.342      9.132      0.909    105.971      0.992      0.174