+int kernctl_create_event_notifier_group(int fd);
+
+/* Apply on event notifier_group file descriptor. */
+int kernctl_create_event_notifier_group_notification_fd(int fd);
+int kernctl_create_event_notifier(int fd,
+ const struct lttng_kernel_event_notifier *event_notifier);
+
+/* Apply on event file descriptor. */
+int kernctl_filter(int fd, const struct lttng_filter_bytecode *filter);