1 files changed, 16 insertions, 0 deletions

diff --git a/trace-xml.c b/trace-xml.c
index 62473fb..bef1f9f 100644
--- a/trace-xml.c
+++ b/trace-xml.c
@@ -230,3 +230,19 @@ void tracecmd_xml_free_system(struct tracecmd_xml_system *system)
         xmlXPathFreeObject(system->result);
         free(system);
 }
+
+int tracecmd_xml_system_exists(struct tracecmd_xml_handle *handle,
+                               const char *system)
+{
+        struct tracecmd_xml_system *sys;
+        int exists = 0;
+
+        sys = tracecmd_xml_find_system(handle, system);
+        if (sys) {
+                exists = 1;
+                tracecmd_xml_free_system(sys);
+        }
+
+        return exists;
+}
+