With the Python session set up and a breakpoint set in the Python extension, start running the Python interpreter by clicking Go (). TotalView stops when your breakpoint is hit.
Figure 75 – Stopped at Python extension function and clean integrated call stack
Note the Call Stack in Figure 75 that displays both C and Python code.
This view has been transformed to hide function calls that just facilitate Python and C/C++ working together. See Transforming the Stack for how this works.