1. A method of impact indication of thread-specific events in a non-stop debugging environment, the non-stop debugging environment comprising a debugger configured to debug a debuggee comprising a plurality of threads of execution, wherein encountering an event by one of the threads stops execution of only the one thread without concurrently stopping execution of other threads, the method comprising: tracking, by the debugger, activity associated with a thread-specific event; and displaying, by the debugger in a graphical user interface (GUI), an indication of thread-specific event impact in dependence upon the tracked activity.