[Cake] cake flenter results round 1

[Toke Høiland-Jørgensen]

> I would not be surprised to find out that this result was also due to
> lack of CPU, since there’s a steady degradation in Cake’s performance
> above 200mbit. Next time I’ll try 8/8 flows in addition.

If you add --test-parameter cpu_stats_hosts=localhost you will also get
a graph of CPU usage which while somewhat rudimentary should at least
make it possible to see from the results when you are running out of CPU
entirely :)

-Toke