X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fmi-lttng.c;h=ef98687d868108ef6e37e604b9c5e6c577f1cf00;hp=fc22e4e0cabeb34f9f75b78607d79d0b5337f7f2;hb=7b4aa11d71edf81f1e5a81a447b4e6b788551594;hpb=2855532e5118d79661ef728cdb59dbab7857be3e

diff --git a/src/common/mi-lttng.c b/src/common/mi-lttng.c
index fc22e4e0c..ef98687d8 100644
--- a/src/common/mi-lttng.c
+++ b/src/common/mi-lttng.c
@@ -922,6 +922,7 @@ int mi_lttng_event_common_attributes(struct mi_writer *writer,
 		struct lttng_event *event)
 {
 	int ret;
+	const char *filter_expression;
 
 	/* Open event element */
 	ret = mi_lttng_writer_open_element(writer, config_element_event);
@@ -954,6 +955,23 @@ int mi_lttng_event_common_attributes(struct mi_writer *writer,
 	ret = mi_lttng_writer_write_element_bool(writer,
 			config_element_filter, event->filter);
 
+	/* Event filter expression */
+	ret = lttng_event_get_filter_string(event, &filter_expression);
+
+	if (ret) {
+		goto end;
+	}
+
+	if (filter_expression) {
+		ret = mi_lttng_writer_write_element_string(writer,
+			config_element_filter_expression,
+			filter_expression);
+
+		if (ret) {
+			goto end;
+		}
+	}
+
 end:
 	return ret;
 }