Linux Applications Debugging Techniques/Race conditions

Valgrind Helgrind

 * [v 3.7] On amd64 platforms it does not survive for long because of the vex disassembler.

Valgrind Drd

 * Same.

ThreadSanitizer (tsan)

 * Usually better than Helgrind, as it does not depend on valgrind anymore.

Relacy

 * C++0x/11 synchronization modeler/unit tests tool.