PERF_SAMPLE_BRANCH_USER_SHIFT 161 include/uapi/linux/perf_event.h PERF_SAMPLE_BRANCH_USER_SHIFT = 0, /* user branches */ PERF_SAMPLE_BRANCH_USER_SHIFT 161 tools/include/uapi/linux/perf_event.h PERF_SAMPLE_BRANCH_USER_SHIFT = 0, /* user branches */