Do you need a feature for your profiling which the NetBeans Profiler lacks? Just send us a feedback to firstname.lastname@example.org or file a RFE in our IssueZilla.
Do you have any problem with your profiling? Ask us and the community for help and assistance at email@example.com. Or try to find a solution in Profiler documentation.
To help you get started with the Profiler there are tutorials and flash demos available. You will find them at the NetBeans Profiler homepage. More articles can be found in NetBeans articles repository.