US Patent 7882496 Method and system for metering execution of interpreted programs

Metering execution of interpreted programs on a data processing system is accomplished. An interpreted program requests a service to an interpreter running the interpreted program. The interpreter invokes a native external function for implementing the service. The invocation of the external function is intercepted. The interpreted program identified according to the external function by accessing a catalogue which associates native functions with interpreted programs. A license management operation is performed according to the identified interpreted program.