-int kernel_create_event(struct ltt_kernel_channel *channel, struct lttng_event *ev);
-int kernel_disable_event(char *event_name, struct ltt_kernel_channel *channel);
+int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel);
+int kernel_disable_channel(struct ltt_kernel_channel *chan);
+int kernel_disable_event(struct ltt_kernel_event *event);
+int kernel_enable_event(struct ltt_kernel_event *event);
+int kernel_enable_channel(struct ltt_kernel_channel *chan);