avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.250      0.000     65.680   3406.910      0.000   9825.180 
avg	     0.017      0.000      0.494     25.616      0.000     73.874 
stddev	     0.046      0.000      0.304      9.410      0.000      9.475 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1831416.000      6.000  14482.000     24.000 7374956.000 135399.300  18621.530 173579.330   1301.110  13300.400 
avg	     0.000  13770.045      0.045    108.887      0.180  55450.797   1018.040    140.012   1305.108      9.783    100.003 
stddev	     0.000   3958.666      0.270     25.244      1.082  12876.108      7.079     11.969    256.397      2.647      0.092