int kernel_stop_session(struct ltt_kernel_session *session);
ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list);
void kernel_wait_quiescent(int fd);
-int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
int kernel_validate_version(int tracer_fd);
void kernel_destroy_session(struct ltt_kernel_session *ksess);
void kernel_destroy_channel(struct ltt_kernel_channel *kchan);