avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.630      0.000    189.350   8556.100      0.000   4552.910 
avg	     0.012      0.000      1.424     64.332      0.000     34.232 
stddev	     0.040      0.000      0.638     18.439      0.000     18.687 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 155359.750      3.000   5542.570     12.000 655910.220  31348.830  16755.830 401809.100   3445.060  13299.810 
avg	     0.000   1168.118      0.023     41.673      0.090   4931.656    235.705    125.984   3021.121     25.903     99.999 
stddev	     0.000   1172.494      0.148     10.608      0.594   1310.711      5.741     33.586    879.219      8.084      0.130