avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     7.240      0.000    377.260   6945.260      0.000  12670.110 
avg	     0.036      0.000      1.886     34.726      0.000     63.351 
stddev	     0.060      0.000      0.606      9.450      0.000      9.830 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	254280.000 2025986.860   7726.990  20678.510 1048027.960 8194797.310 152603.450  28585.260 244899.250   1736.400  19999.910 
avg	  1271.400  10129.934     38.635    103.393   5240.140  40973.987    763.017    142.926   1224.496      8.682    100.000 
stddev	  4050.882   4027.310    127.013     34.744  16706.221  12806.350    189.908      3.402    403.002      2.782      0.078