avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.370      0.000    462.370  12834.390      0.000      2.870 
avg	     0.003      0.000      3.476     96.499      0.000      0.022 
stddev	     0.018      0.000      1.914      1.928      0.000      0.177 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    391.000      0.000  12742.070      0.000 6311223.840 131775.660  19115.890 199779.820   1389.010  13300.210 
avg	     0.000      2.940      0.000     95.805      0.000  47452.811    990.794    143.728   1502.104     10.444    100.002 
stddev	     0.000     12.873      0.000      2.031      0.000    978.263     18.611      1.102    154.497      0.222      0.105