VisualC Profiler...

Hi! I have a problem with the Visual-C Profiler: probably I dont know well how it works. I have programmed an OpenGL GLUT-application and now I am not able to profile all the function that are in glutDisplayFunc() and so on....as you know if you use GLUT you call glutMainLoop() and so your program executes, but I can''t profile all the function that are in the display-loop, in the mouse-func, or in the idle-func! do you have any suggestion? Thanx a lot!