avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.390      0.000   1364.340   5388.640      0.000   6545.640 
avg	     0.010      0.000     10.258     40.516      0.000     49.215 
stddev	     0.024      0.000      4.064     15.935      0.000     19.590 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2107325.000      9.000  16854.000     36.000 8504328.000 133898.270   5770.580  45666.030   1107.620  12913.200 
avg	     0.000  15844.549      0.068    126.722      0.271  63942.316   1006.754     43.388    343.354      8.328     97.092 
stddev	     0.000   3330.660      0.251     26.716      1.005  13811.514     25.133     38.310    309.056      3.934      7.990