PERF_SAMPLE_BRANCH_USER 187 include/uapi/linux/perf_event.h PERF_SAMPLE_BRANCH_USER = 1U << PERF_SAMPLE_BRANCH_USER_SHIFT, PERF_SAMPLE_BRANCH_USER 187 tools/include/uapi/linux/perf_event.h PERF_SAMPLE_BRANCH_USER = 1U << PERF_SAMPLE_BRANCH_USER_SHIFT,