X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fevent.c;h=13f09a51efad3b2f8b3a7e81ebc7ac5d2795c724;hp=8cca21391d43dd9b20b877bc920e14d10c1a348e;hb=3e81c0f2fcfb479413c71a73e4de25bcdb6b198d;hpb=fb27f84c28e9d8ec7c8ce5ac1b541b0671a4569e

diff --git a/src/bin/lttng-sessiond/event.c b/src/bin/lttng-sessiond/event.c
index 8cca21391..13f09a51e 100644
--- a/src/bin/lttng-sessiond/event.c
+++ b/src/bin/lttng-sessiond/event.c
@@ -353,6 +353,59 @@ error:
 	return ret;
 }
 
+/*
+ * Disable all UST tracepoints for a channel from a UST session.
+ */
+int event_ust_disable_all_tracepoints(struct ltt_ust_session *usess,
+		struct ltt_ust_channel *uchan)
+{
+	int ret, i, size, error = 0;
+	struct lttng_ht_iter iter;
+	struct ltt_ust_event *uevent = NULL;
+	struct lttng_event *events = NULL;
+
+	assert(usess);
+	assert(uchan);
+
+	rcu_read_lock();
+
+	/* Disabling existing events */
+	cds_lfht_for_each_entry(uchan->events->ht, &iter.iter, uevent,
+			node.node) {
+		if (uevent->enabled == 1) {
+			ret = event_ust_disable_tracepoint(usess, uchan,
+					uevent->attr.name);
+			if (ret < 0) {
+				error = LTTNG_ERR_UST_DISABLE_FAIL;
+				continue;
+			}
+		}
+	}
+
+	/* Get all UST available events */
+	size = ust_app_list_events(&events);
+	if (size < 0) {
+		ret = LTTNG_ERR_UST_LIST_FAIL;
+		goto error;
+	}
+
+	for (i = 0; i < size; i++) {
+		ret = event_ust_disable_tracepoint(usess, uchan,
+				events[i].name);
+		if (ret < 0) {
+			/* Continue to disable the rest... */
+			error = LTTNG_ERR_UST_DISABLE_FAIL;
+			continue;
+		}
+	}
+
+	ret = error ? error : LTTNG_OK;
+error:
+	rcu_read_unlock();
+	free(events);
+	return ret;
+}
+
 /*
  * Enable all agent event for a given UST session.
  *