event_subsystems 1388 kernel/trace/trace_events.c static LIST_HEAD(event_subsystems); event_subsystems 1863 kernel/trace/trace_events.c list_add(&system->list, &event_subsystems); event_subsystems 1892 kernel/trace/trace_events.c list_for_each_entry(system, &event_subsystems, list) { event_subsystems 1897 kernel/trace/trace_events.c if (&system->list == &event_subsystems)