Public bug reported:
Binary package hint: semantic
After installing:
ii emacs-snapshot-bin-common 20060915-1
The GNU Emacs editor's shared, architecture
ii emacs-snapshot-common 20060915-1
The GNU Emacs editor's common infrastructure
ii emacs-snapshot-gtk 20060915-1
The GNU Emacs editor (with GTK+ 2.x support)
ii python-mode 1.0-2
Emacs-lisp python-mode and doctest-mode for
ii semantic 1.0pre3-1
Parser Infrastructure for Emacsen
I found that emacs was taking up 100% cpu after opening a python file
for editing. I traced it down to semantic, and the following patch:
--- semantic-idle.el 2005/09/30 20:20:43 1.34
+++ semantic-idle.el 2006/09/12 01:16:12 1.35
@@ -1,10 +1,10 @@
;;; semantic-idle.el --- Schedule parsing tasks in idle time
-;;; Copyright (C) 2003, 2004, 2005 Eric M. Ludlam
+;;; Copyright (C) 2003, 2004, 2005, 2006 Eric M. Ludlam
;; Author: Eric M. Ludlam <[EMAIL PROTECTED]>
;; Keywords: syntax
-;; X-RCS: $Id: semantic-idle.el,v 1.34 2005/09/30 20:20:43 zappo Exp $
+;; X-RCS: $Id: semantic-idle.el,v 1.35 2006/09/12 01:16:12 zappo Exp $
;; This file is not part of GNU Emacs.
@@ -286,12 +286,9 @@
(when (zerop (recursion-depth))
(unwind-protect
(semantic-safe "idle error: %S"
- ;; Disable the auto parse timer while re-parsing
- (semantic-idle-scheduler-kill-timer)
;; Handle re-parsing and other scheduled services
(save-match-data (semantic-idle-core-handler)))
- ;; Enable again the auto parse timer
- (semantic-idle-scheduler-setup-timer))))
+ )))
;;; REPARSING
;;
http://cedet.cvs.sourceforge.net/cedet/cedet/semantic/semantic-
idle.el?r1=1.34&r2=1.35&view=patch
fixed the issue. Here is how:
1. copy the patch text into ~/downloads/semantic-idle.patch
2. sudo cp /usr/share/emacs/site-lisp/semantic/semantic-idle.el
~/downloads/
3. patch semantic-idle.el semantic-idle.patch
4. emacs -batch -f batch-byte-compile semantic-idle.el
5. sudo cp semantic-idle.el /usr/share/emacs/site-lisp/semantic/
6. sudo cp semantic-idle.elc /usr/share/emacs-snapshot/site-
lisp/semantic/
7. start emacs-snapshot-gtk
I'm still unclear as to how you can recompile the /usr/share/emacs/site-
lisp/semantic/*.el files, and push them out to every ${FLAVOR} of emacs,
but the steps above will work for now...
** Affects: cedet (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
EMACS - python-mode 100% CPU usage
https://launchpad.net/bugs/72867
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