rcu_read_lock();
cds_lfht_for_each_entry(viewer_streams_ht->ht, &iter.iter, node, node) {
node = lttng_ht_iter_get_node_u64(&iter);
rcu_read_lock();
cds_lfht_for_each_entry(viewer_streams_ht->ht, &iter.iter, node, node) {
node = lttng_ht_iter_get_node_u64(&iter);