Profiling C++ multi-threaded applications

Question

Have you used any profiling tool like Intel Vtune analyzer?

What are your recommendations for a C++ multi threaded application on Linux and windows? I am primarily

Answer 1

I'll put in another answer for valgrind, especially the callgrind portion with the UI. It can handle multiple threads by profiling each thread for cache misses, etc. They also have a multi-thread error checker called helgrind, but I've never used it and don't know how good it is.