disabling time-only monitoring for a method

Hello,

I have a namespace "MyCompany" with a class "MyClass".  MyClass has a method that is very CPU intensive (think loads of fast enumerations).  I want to exclude this method from all monitoring including time monitoring.  Can I do this by disabling monitoring for that method in the methods dialog box (resource methods) or do I need to disable monitoring for the entire class under namespaces?

Thanks,

Peter