+ }
+
+ rcu_read_unlock();
+
+ return ret;
+}
+
+/*
+ * For a specific existing UST session and UST channel, creates the event for
+ * all registered apps.
+ */
+int ust_app_create_event_glb(struct ltt_ust_session *usess,
+ struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent)
+{
+ int ret = 0;
+ struct cds_lfht_iter iter, uiter;
+ struct cds_lfht_node *ua_chan_node;
+ struct ust_app *app;
+ struct ust_app_session *ua_sess;
+ struct ust_app_channel *ua_chan;
+
+ DBG("UST app creating event %s for all apps for session uid %d",
+ uevent->attr.name, usess->uid);
+
+ /*
+ * NOTE: At this point, this function is called only if the session and
+ * channel passed are already created for all apps. and enabled on the
+ * tracer also.
+ */
+
+ rcu_read_lock();
+
+ /* For all registered applications */
+ cds_lfht_for_each_entry(ust_app_ht, &iter, app, node) {
+ ua_sess = lookup_session_by_app(usess, app);
+ /* If ua_sess is NULL, there is a code flow error */
+ assert(ua_sess);
+
+ /* Lookup channel in the ust app session */
+ ua_chan_node = hashtable_lookup(ua_sess->channels, (void *)uchan->name,
+ strlen(uchan->name), &uiter);
+ /* If the channel is not found, there is a code flow error */
+ assert(ua_chan_node);
+