+extern const char * const config_event_context_app;
+extern const char * const config_event_context_interruptible;
+extern const char * const config_event_context_preemptible;
+extern const char * const config_event_context_need_reschedule;
+extern const char * const config_event_context_migratable;
+extern const char * const config_event_context_callstack_user;
+extern const char * const config_event_context_callstack_kernel;