(emacs-init-time): New function.

lisp/ChangeLog

@@ -1,3 +1,10 @@
+2008-02-16  Juri Linkov  <juri@jurta.org>
+
+	* startup.el (after-init-time): New variable.
+	(command-line): Set `after-init-time' to the current time.
+
+	* time.el (emacs-init-time): New function.
+
 2008-02-16  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* files.el (locate-dominating-file): Remove initial loop because it's

lisp/time.el

@@ -548,7 +548,6 @@ To turn off the world time display, go to that window and type `q'."
           (when (equal (symbol-name (aref elt 5)) "display-time-world-timer")
             (cancel-timer elt)))))))
 
-
 ;;;###autoload
 (defun emacs-uptime (&optional format)
   "Return a string giving the uptime of this instance of Emacs.
@@ -563,6 +562,18 @@ For example, the Unix uptime command format is \"%D, %z%2h:%.2m\"."
         (message "%s" str)
       str)))
 
+;;;###autoload
+(defun emacs-init-time ()
+  "Return a string giving the duration of the Emacs initialization."
+  (interactive)
+  (let ((str
+         (format-seconds "%z%S"
+			 (time-to-seconds
+			  (time-subtract after-init-time before-init-time)))))
+    (if (interactive-p)
+        (message "%s" str)
+      str)))
+
 (provide 'time)
 
 ;;; arch-tag: b9c1623f-b5cb-48e4-b650-482a4d23c5a6