1 files changed, 12 insertions, 1 deletions

diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index c20b510ace8f..58a95241ff70 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -1786,6 +1786,16 @@ def GetEventList(db):
                 events.append(query.value(0))
         return events
 
+# Is a table selectable
+
+def IsSelectable(db, table):
+        query = QSqlQuery(db)
+        try:
+                QueryExec(query, "SELECT * FROM " + table + " LIMIT 1")
+        except:
+                return False
+        return True
+
 # SQL data preparation
 
 def SQLTableDataPrep(query, count):
@@ -2298,7 +2308,8 @@ class MainWindow(QMainWindow):
                 edit_menu.addAction(CreateAction("&Enlarge Font", "Make text bigger", self.EnlargeFont, self, [QKeySequence("Ctrl++")]))
 
                 reports_menu = menu.addMenu("&Reports")
-                reports_menu.addAction(CreateAction("Context-Sensitive Call &Graph", "Create a new window containing a context-sensitive call graph", self.NewCallGraph, self))
+                if IsSelectable(glb.db, "calls"):
+                        reports_menu.addAction(CreateAction("Context-Sensitive Call &Graph", "Create a new window containing a context-sensitive call graph", self.NewCallGraph, self))
 
                 self.EventMenu(GetEventList(glb.db), reports_menu)