enum lttng_ust_loglevel_type loglevel_type, int loglevel_value,
struct lttng_event_exclusion *exclusion);
struct ltt_ust_channel *trace_ust_find_channel_by_name(struct lttng_ht *ht,
enum lttng_ust_loglevel_type loglevel_type, int loglevel_value,
struct lttng_event_exclusion *exclusion);
struct ltt_ust_channel *trace_ust_find_channel_by_name(struct lttng_ht *ht,