+/*
+ * Find the event for the given channel.
+ */
+struct ltt_kernel_event *trace_kernel_find_event(
+ char *name, struct ltt_kernel_channel *channel,
+ enum lttng_event_type type,
+ struct lttng_filter_bytecode *filter)
+{
+ struct ltt_kernel_event *ev;
+ int found = 0;
+
+ assert(name);
+ assert(channel);
+
+ cds_list_for_each_entry(ev, &channel->events_list.head, list) {
+ if (type != LTTNG_EVENT_ALL && ev->type != type) {
+ continue;
+ }
+ if (strcmp(name, ev->event->name)) {
+ continue;
+ }
+ if ((ev->filter && !filter) || (!ev->filter && filter)) {
+ continue;
+ }
+ if (ev->filter && filter) {
+ if (ev->filter->len != filter->len ||
+ memcmp(ev->filter->data, filter->data,
+ filter->len) != 0) {
+ continue;
+ }
+ }
+ found = 1;
+ break;
+ }
+ if (found) {
+ DBG("Found event %s for channel %s", name,
+ channel->channel->name);
+ return ev;
+ } else {
+ return NULL;
+ }
+}
+