avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.360      0.000    649.720   5239.200      0.000   7410.700 
avg	     0.003      0.000      4.885     39.392      0.000     55.720 
stddev	     0.018      0.000      5.333     16.153      0.000     16.166 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    302.000      0.000  12182.000      0.000 6135672.000 133968.930  19107.820 208814.900   1453.190  13300.800 
avg	     0.000      2.271      0.000     91.594      0.000  46132.872   1007.285    143.668   1570.037     10.926    100.006 
stddev	     0.000     10.690      0.000      2.422      0.000   1370.476      9.938      0.774    130.796      0.295      0.049