avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.990      0.000    635.240    925.760      0.000  11234.050 
avg	     0.039      0.000      4.963      7.233      0.000     87.766 
stddev	     0.031      0.000      4.074      4.478      0.000      7.226 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    543.440      1.000  28273.070      4.000 14405406.100 130518.550  18379.790  83442.050    581.060  12799.770 
avg	     0.000      4.246      0.008    220.883      0.031 112542.235   1019.676    143.592    651.891      4.540     99.998 
stddev	     0.000     24.690      0.088     11.841      0.352   4982.130     24.869      0.828     37.415      0.258      0.110