Distributed trace using central performance counter memory
David L. Satterfield · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 2023
A plurality of processing cores, are central storage unit having at least memory connected in a daisy chain manner, forming a daisy chain ring layout on an integrated chip. At least one of the plurality of processing cores places trace data on the daisy chain connection for transmitting the trace data to the central storage unit, and the central storage unit detects the trace data and stores the trace data in the memory co-located in with the central storage unit.