TotalView is a sophisticated software debugger product from Rogue Wave Software, Inc. ...and before that, TotalView Technologies, LLC (2007-2009) ...and before that, Etnus LLC. (1998-2007) ...and before that, Dolphin Interconnect Solutions, Inc. (1996-1998) ...and before that, BBN Systems and Technologies, a division of BBN Corporation (1993-1996) Used for debugging and analyzing both serial and parallel programs. Especially designed for use with complex, multi-process and/or multi-threaded applications. Without question, the most popular HPC debugger to date.
I used Totalview while at BBN - best debugger I've used. To bad no Windows version