X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsave.c;h=f8911aa53adb1157a13385e79f7ae508d94650c8;hp=c76abbac633c0688565d0008c3bf68b823b25b3b;hb=1adbdb1045a79cd4a02941c5994820ccb17a68c3;hpb=091ced216b4da7ba8e1abdd8d18237dffb457642

diff --git a/src/bin/lttng-sessiond/save.c b/src/bin/lttng-sessiond/save.c
index c76abbac6..f8911aa53 100644
--- a/src/bin/lttng-sessiond/save.c
+++ b/src/bin/lttng-sessiond/save.c
@@ -363,6 +363,16 @@ int save_kernel_event(struct config_writer *writer,
 		goto end;
 	}
 
+	if (event->filter_expression) {
+		ret = config_writer_write_element_string(writer,
+				config_element_filter,
+				event->filter_expression);
+		if (ret) {
+			ret = LTTNG_ERR_SAVE_IO_FAIL;
+			goto end;
+		}
+	}
+
 	if (event->event->instrumentation == LTTNG_KERNEL_FUNCTION ||
 		event->event->instrumentation == LTTNG_KERNEL_KPROBE ||
 		event->event->instrumentation == LTTNG_KERNEL_KRETPROBE) {
@@ -632,11 +642,14 @@ int save_ust_event(struct config_writer *writer,
 		goto end;
 	}
 
-	ret = config_writer_write_element_signed_int(writer,
-		config_element_loglevel, event->attr.loglevel);
-	if (ret) {
-		ret = LTTNG_ERR_SAVE_IO_FAIL;
-		goto end;
+	/* The log level is irrelevant if no "filtering" is enabled */
+	if (event->attr.loglevel_type != LTTNG_UST_LOGLEVEL_ALL) {
+		ret = config_writer_write_element_signed_int(writer,
+				config_element_loglevel, event->attr.loglevel);
+		if (ret) {
+			ret = LTTNG_ERR_SAVE_IO_FAIL;
+			goto end;
+		}
 	}
 
 	if (event->filter_expression) {
@@ -705,6 +718,10 @@ int save_ust_events(struct config_writer *writer,
 	cds_lfht_for_each_entry(events->ht, &iter.iter, node, node) {
 		event = caa_container_of(node, struct ltt_ust_event, node);
 
+		if (event->internal) {
+			/* Internal events must not be exposed to clients */
+			continue;
+		}
 		ret = save_ust_event(writer, event);
 		if (ret) {
 			rcu_read_unlock();
@@ -1382,11 +1399,7 @@ int save_domains(struct config_writer *writer, struct ltt_session *session)
 			goto end;
 		}
 
-		rcu_read_lock();
-		agent_count =
-			lttng_ht_get_count(session->ust_session->agents);
-		rcu_read_unlock();
-
+		agent_count = lttng_ht_get_count(session->ust_session->agents);
 		if (agent_count > 0) {
 			ret = config_writer_open_element(writer,
 				config_element_domain);