-/* Apply on event FD */
-int kernctl_filter(int fd, struct lttng_filter_bytecode *filter);
-int kernctl_add_callsite(int fd, struct lttng_kernel_event_callsite *callsite);
+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_group_error_counter(int fd,
+ const struct lttng_kernel_abi_counter_conf *error_counter_conf);
+int kernctl_create_event_notifier(int fd,
+ const struct lttng_kernel_abi_event_notifier *event_notifier);
+
+int kernctl_counter_get_aggregate_value(int counter_fd,
+ struct lttng_kernel_abi_counter_aggregate *value);
+int kernctl_counter_clear(int counter_fd,
+ struct lttng_kernel_abi_counter_clear *clear);
+
+/* Apply on event file descriptor. */
+int kernctl_filter(int fd, const struct lttng_bytecode *filter);
+int kernctl_add_callsite(int fd, struct lttng_kernel_abi_event_callsite *callsite);
+int kernctl_capture(int fd, const struct lttng_bytecode *capture);