avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.690      0.000    456.880   4059.450      0.000   8780.050 
avg	     0.028      0.000      3.435     30.522      0.000     66.015 
stddev	     0.060      0.000      3.837     16.317      0.000     16.495 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    364.000      0.000  12306.000      0.000 6208872.000 134202.790  19108.500 206630.810   1438.160  13300.400 
avg	     0.000      2.737      0.000     92.526      0.000  46683.248   1009.044    143.673   1553.615     10.813    100.003 
stddev	     0.000     12.917      0.000      1.910      0.000   1176.874     12.278      1.032    181.055      0.226      0.060