A method for monitoring the application of object-oriented system and self-monitoring system

The present invention provides a method for monitoring the application of object-oriented system and self-monitoring system. Method for object-oriented applications to monitor comprising: a real-time execution of the application to establish a transaction on behalf of a directed graph, said directed graph has nodes that comprises a plurality of alternative classes; alternatively according to a plurality of drawing call the relationship between the nodes class selection of key nodes; the key is inserted into the monitoring program in selected nodes. Aspect of the present invention enables a monitor to monitor an object oriented application overhead is greatly reduced.