1 files changed, 2 insertions, 0 deletions

diff --git a/trace-xml.h b/trace-xml.h
index f84907d..d1f62b0 100644
--- a/trace-xml.h
+++ b/trace-xml.h
@@ -56,5 +56,7 @@ struct tracecmd_xml_system_node *
 tracecmd_xml_node_next(struct tracecmd_xml_system_node *tnode);
 const char *tracecmd_xml_node_value(struct tracecmd_xml_handle *handle,
                                     struct tracecmd_xml_system_node *tnode);
+int tracecmd_xml_system_exists(struct tracecmd_xml_handle *handle,
+                               const char *system);
 
 #endif /* __TRACE_XML_H */