1. A processor coupled to a memory system, the processor comprising: an input data port, wherein the processor receives data to be processed via the input data port; an output data port, wherein the processor outputs processed data onto the output data port; a memory interface port; a tripwire bus port; a fetch stage that causes a sequence of instructions to be fetched from the memory system via the memory interface port, wherein the sequence of instructions includes a tripwire instruction; a decode stage that detects an opcode of the tripwire instruction; a register file read stage coupled to the decode stage, wherein the register file read stage includes a register file; and an execute stage coupled to the register file read stage, wherein the execute stage carries out an instruction operation of the tripwire instruction by outputting a first multi-bit value along with a second multi-bit value in parallel onto the tripwire bus port for one clock cycle when the tripwire instruction operation is being performed by the execute stage, wherein the second multi-bit value is a processor number that identifies the processor, wherein the tripwire bus port only carries a valid multi-bit value if the processor is processing a tripwire instruction, and wherein the processor neither reads data nor writes data across the tripwire bus port.