-static
-void lttng_create_tracepoint_event_notifier_if_missing(struct lttng_event_notifier_enabler *event_notifier_enabler)
-{
- struct lttng_event_ht *events_ht = lttng_get_event_ht_from_enabler(&event_notifier_enabler->parent);
- struct lttng_kernel_probe_desc *probe_desc;
- const struct lttng_kernel_event_desc *desc;
- int i;
- struct list_head *probe_list;
-
- probe_list = lttng_get_probe_list_head();
- /*
- * For each probe event, if we find that a probe event matches
- * our enabler, create an associated lttng_event_notifier if not
- * already present.
- */
- list_for_each_entry(probe_desc, probe_list, head) {
- for (i = 0; i < probe_desc->nr_events; i++) {
- int found = 0;
- struct hlist_head *head;
- struct lttng_kernel_event_common *event;
- struct lttng_kernel_event_common_private *event_priv;
-
- desc = probe_desc->event_desc[i];
- if (!lttng_desc_match_enabler(desc,
- lttng_event_notifier_enabler_as_enabler(event_notifier_enabler)))
- continue;
-
- /*
- * Check if already created.
- */
- head = utils_borrow_hash_table_bucket(events_ht->table,
- LTTNG_EVENT_HT_SIZE, desc->event_name);
- lttng_hlist_for_each_entry(event_priv, head, hlist_node) {
- if (lttng_event_enabler_desc_match_event(&event_notifier_enabler->parent, desc, event_priv->pub))
- found = 1;
- }
- if (found)
- continue;
-
- /*
- * We need to create a event_notifier for this event probe.
- */
- event = _lttng_kernel_event_create(&event_notifier_enabler->parent, desc);
- if (IS_ERR(event)) {
- printk(KERN_INFO "Unable to create event_notifier %s\n",
- probe_desc->event_desc[i]->event_name);
- }
- }
- }
-}
-