avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.600      0.000    196.380   5880.750      0.000  13918.310 
avg	     0.023      0.000      0.982     29.404      0.000     69.592 
stddev	     0.055      0.000      0.515     10.545      0.000     10.763 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	253967.000 1963609.490   8029.990  19923.990 1047987.960 7939756.000 151898.780  27182.880 234943.370   1787.770  20000.110 
avg	  1269.835   9818.047     40.150     99.620   5239.940  39698.780    759.494    135.914   1174.717      8.939    100.001 
stddev	  3895.600   4478.641    123.288     33.768  16072.712  13038.401    201.767      9.328    384.968      3.017      0.078