--- a/mercurial/hgweb/hgwebdir_mod.py	Sun Aug 14 16:03:30 2016 -0700
+++ b/mercurial/hgweb/hgwebdir_mod.py	Sun Aug 14 18:37:24 2016 -0700
@@ -31,6 +31,7 @@
     encoding,
     error,
     hg,
+    profiling,
     scmutil,
     templater,
     ui as uimod,
@@ -217,7 +218,9 @@
         return False
 
     def run_wsgi(self, req):
-        return self._runwsgi(req)
+        with profiling.maybeprofile(self.ui):
+            for r in self._runwsgi(req):
+                yield r
 
     def _runwsgi(self, req):
         try: