PERF_SAMPLE_REGS_ABI_64 242 include/uapi/linux/perf_event.h PERF_SAMPLE_REGS_ABI_64 = 2, PERF_SAMPLE_REGS_ABI_64 242 tools/include/uapi/linux/perf_event.h PERF_SAMPLE_REGS_ABI_64 = 2,