From Seo Wiki - Search Engine Optimization and Programming Languages
It allows process control down to the single thread, the ability to look at data for a single thread or all threads at the same time, and the ability to synchronize threads through breakpoints. TotalView integrates memory leak detection and other heap memory debugging features. Data analysis features help find anomalies and problems in the target program's data, and the combination of visualization and evaluation points lets the user watch data change as the program executes. TotalView includes the ability to test fixes while debugging. It supports parallel programming including Message Passing Interface (MPI) and OpenMP.
In 2007 Etnus, Inc. changed its name to TotalView Technologies, Inc.