TotalView

TotalView provides tools to debug, analyze, and scale high-performance computing (HPC) applications. It includes MemoryScape for debugging memory errors, and ReplayEngine, a reverse debugging tool. TotalView documentation is based on the TotalView debugger's new, modern UI.

Documentation

Installation and Licensing   |   Supported Platforms

What's New in 2025.4?

See What's New in 2025.4

Release Notes  |   Change Log

Improve your applications’ usability by eliminating memory leaks, out-of-bounds memory block overwrites, and improper memory-API use. With TotalView's memory debugging tools, quickly detect memory errors in your HPC applications. See "Memory Debugging" in the TotalView documentation.

Memory Debugging

Work backward in time to find the cause of problems. See "Using ReplayEngine" in the TotalView documentation.

Using ReplayEngine

TotalView’s Classic UI is still available for users familiar with the interface. Only minimal maintenance is done on the user interface, and documentation is no longer maintained. Users are encouraged to migrate to TotalView’s modern user interface. For more information on TotalView’s modern interface see:​

Classic TotalView HTML doc set Classic TotalView Cheat Sheet

PDFs

The Classic UI documentation is also available as individual PDFs.