Setting Breakpoints and Barriers
TotalView has several options for setting breakpoints, including:
*Source-level breakpoints
*Breakpoints that are shared among all processes in multi-process programs
*Assembler-level breakpoints 
You can also control whether TotalView stops all processes in the control group when a single member reaches a breakpoint.
Topics in this section are:
*Setting Source-Level Breakpoints”
*Setting Breakpoints at Locations”
*Displaying and Controlling Action Points”
*Setting Machine-Level Breakpoints”
*Setting Breakpoints for Multiple Processes”
*Setting Breakpoints When Using the fork()/execve() Functions”
*Setting Barrier Points”