You're on the right track. The breakpoints are the right things to use, and yes they will show the thread in the Debug perspective. However,
you should also be able to see any variables set at the breakpoint in the Variables view, the breakpoints in the Breakpoint view, and the source code in the Source view. In case your settings got buggered up, go to Windows/Reset Perspective, and all the right views (including source) should show up as part of the Debug Perspective.
This is all assuming that when the breakpoint is traversed, your threads actually pause. If this is not happening, then the code path you have set your breakpoint on isn't being traversed.