US Patent 10503646 Decoupling trace data streams using cache coherence protocol data

Decoupling trace data streams using cache coherence protocol (CCP) data. One or more trace data streams include cache activity trace data and CCP trace data relating to executing a plurality of threads. The cache activity trace data includes inter-thread data dependencies comprising dependent cache activity trace entries, which each record a corresponding memory access by a corresponding thread in reliance on traced CCP dependence between threads. The inter-thread data dependencies are removed to create independent cache activity trace data for each of the plurality of threads that enables each thread to be replayed independently. The removal includes, for each dependent cache activity trace entry (i) identifying a corresponding value of the corresponding memory access by the corresponding thread based on the traced CCP dependence between threads, and (ii) recording the corresponding value of the corresponding memory access on behalf of the corresponding thread.