avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.530      0.000    144.420  17905.610      0.000   1945.390 
avg	     0.023      0.000      0.722     89.528      0.000      9.727 
stddev	     0.048      0.000      0.849      9.506      0.000      9.665 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	2081014.000    397.850  16386.000  17303.150 1048700.000 8070378.010 173158.780  28579.650 294661.490   1998.550  20000.010 
avg	 10405.070      1.989     81.930     86.516   5243.500  40351.890    865.794    142.898   1473.307      9.993    100.000 
stddev	 34841.035      1.640    274.365     25.460  17558.755  11976.940    224.203      2.234    960.771      2.954      0.077