avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.900      0.000    361.990  18901.230      0.000    529.800 
avg	     0.035      0.000      1.828     95.461      0.000      2.676 
stddev	     0.055      0.000      0.611      4.258      0.000      4.072 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	2081014.000     92.390  16386.000  16232.970 1048700.000 7309231.580 165621.720  28305.900 302734.700   2082.650  19799.820 
avg	 10510.172      0.467     82.758     81.985   5296.465  36915.311    836.473    142.959   1528.963     10.518     99.999 
stddev	 35032.912      0.844    275.837     24.409  17653.514  11210.036    219.013      2.897    758.592      3.130      0.128