Probe classes
Probe class is a Java class intended to monitor different kind of events:
-
Enter or exit particular method.
Bytecode instrumentation engine will inject calls to your probes to the methods which you specified. The probes are written in Java. You can access method parameters, method return value, the object for which the method is called, as well as intercept uncaught exceptions thrown in the method. This provides virtually unlimited capabilities to monitor applications. Read more... -
Other events
Other kinds of events will be added in future versions.
Probe life cycle
- Write the probe class(es)
- Compile the probe class(es)
- Register the probe class(es) to make them work
- (Optional) To deactivate the probe in runtime, unregister its class(es)