armv7_event_attr_br_return_retired 587 arch/arm/kernel/perf_event_v7.c &armv7_event_attr_br_return_retired.attr.attr, armv7_event_attr_br_return_retired 627 arch/arm/kernel/perf_event_v7.c &armv7_event_attr_br_return_retired.attr.attr,