The Debug Diagnostic Tool (DebugDiag) is designed to assist in troubleshooting issues such as hangs, slow performance, memory leaks or fragmentation, and crashes in any Win32 user-mode process. The tool includes additional debugging scripts focused on Internet Information Services (IIS) applications, web data access components, COM+ and related Microsoft technologies.
DebugDiag 1.0 was released as part of the IIS Diagnostic toolkit and as a standalone tool. DebugDiag 1.1 is currently available as a standalone tool. Overview
DebugDiag provides an extensible object model in the form of COM objects and provides a script host with a built-in reporting framework.
It is composed of the following 3 components; a debugging service, a debugger host, and the user interface.
The Debugging Service The debugger service (DbgSvc.exe) performs the following tasks: Attach/Detach the host to processes Collect Performance Monitor data Implement HTTP ping to Detect hangs Inject Leak Monitor in running processes Collect debugging session state information Shows the state of each rule defined