char *channel_name, const struct lttng_event_context *ctx, int kwpipe);
int cmd_set_filter(struct ltt_session *session, enum lttng_domain_type domain,
char *channel_name, struct lttng_event *event,
char *channel_name, const struct lttng_event_context *ctx, int kwpipe);
int cmd_set_filter(struct ltt_session *session, enum lttng_domain_type domain,
char *channel_name, struct lttng_event *event,