perf_event__id_header_size 1810 kernel/events/core.c perf_event__id_header_size(event); perf_event__id_header_size 11281 kernel/events/core.c perf_event__id_header_size(event); perf_event__id_header_size 11878 kernel/events/core.c perf_event__id_header_size(child_event);