Index: examples/trac/trac/web/main.py
===================================================================
--- examples/trac/trac/web/main.py	(revision 48)
+++ examples/trac/trac/web/main.py	(working copy)
@@ -20,6 +20,7 @@
 import os
 import sys
 import dircache
+import time
 import urllib
 
 from trac.config import ExtensionOption, OrderedExtensionsOption
@@ -201,15 +202,19 @@
                     chrome = Chrome(self.env)
                     for filter_ in reversed(self.filters):
                         resp = filter_.post_process_request(req, *resp)
-                    if len(resp) == 2:
-                        template, content_type = resp
-                        chrome._finalize_hdf(req)
-                        req.display(template, content_type or 'text/html')
-                    else:
-                        template, data, content_type = resp
-                        output = chrome.render_response(req, template,
-                                                        content_type, data)
-                        req.send(output, content_type or 'text/html')
+                    start = time.time()
+                    try:
+                        if len(resp) == 2:
+                            template, content_type = resp
+                            chrome._finalize_hdf(req)
+                            req.display(template, content_type or 'text/html')
+                        else:
+                            template, data, content_type = resp
+                            output = chrome.render_response(req, template,
+                                                            content_type, data)
+                            req.send(output, content_type or 'text/html')
+                    finally:
+                        self.log.debug("Page rendered in %s seconds", time.time()-start)
                 else:
                     for filter_ in reversed(self.filters):
                         filter_.post_process_request(req, None, None)