Performance testing is often difficult and expensive to do. When you need to get real-World performance figures you need to test on real-World hardware and this is not always possible. Even when it can be achieved it is difficult to do frequently without a dedciated (and hence expensive) performance environment.
Jenkins is an excellent choice for continuous integration as it has numerous plugins available, is well supported and is open source.
The following is a list of some of the most useful plugins and how they can be used.