avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    39.400      0.000   2466.630  17322.680      0.000    171.400 
avg	     0.197      0.000     12.333     86.613      0.000      0.857 
stddev	     0.120      0.000      5.075      5.500      0.000      1.401 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	254679.360 1293259.370   7073.660  20822.990 1047011.900 5265046.460 103441.260  28826.460 241915.550   1711.490  19999.930 
avg	  1273.397   6466.297     35.368    104.115   5235.060  26325.232    517.206    144.132   1209.578      8.557    100.000 
stddev	  3533.744   3082.323     99.595     36.055  14534.709   8765.751    193.141      6.973    399.216      2.829      0.175