1. A system comprising: a processor including: a hybrid transactional memory (HyTM) that includes hardware transactional memory (HTM); and a program debugger to replay a program that includes a hardware transactional memory instruction and that has been executed using the HyTM, wherein the program debugger includes a software emulator to replay the HTM instruction by emulation of the HTM; and a dynamic random access memory (DRAM) to store the program.