From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Default of jit-lock-stealth-time Date: Sun, 25 Feb 2007 23:56:02 -0500 Message-ID: References: <85tzxazb8r.fsf@lola.goethe.zz> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1172465788 15381 80.91.229.12 (26 Feb 2007 04:56:28 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Mon, 26 Feb 2007 04:56:28 +0000 (UTC) Cc: emacs-devel@gnu.org To: rms@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Feb 26 05:56:22 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1HLXuN-0007Vq-R9 for ged-emacs-devel@m.gmane.org; Mon, 26 Feb 2007 05:56:20 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HLXuO-0004dX-0c for ged-emacs-devel@m.gmane.org; Sun, 25 Feb 2007 23:56:20 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HLXuC-0004dR-6D for emacs-devel@gnu.org; Sun, 25 Feb 2007 23:56:08 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HLXu9-0004dD-Nw for emacs-devel@gnu.org; Sun, 25 Feb 2007 23:56:06 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HLXu9-0004dA-J4 for emacs-devel@gnu.org; Sun, 25 Feb 2007 23:56:05 -0500 Original-Received: from tomts5.bellnexxia.net ([209.226.175.25] helo=tomts5-srv.bellnexxia.net) by monty-python.gnu.org with esmtp (Exim 4.52) id 1HLXu7-0000DJ-LE; Sun, 25 Feb 2007 23:56:03 -0500 Original-Received: from alfajor.home ([74.12.210.227]) by tomts5-srv.bellnexxia.net (InterMail vM.5.01.06.13 201-253-122-130-113-20050324) with ESMTP id <20070226045602.TIZU1671.tomts5-srv.bellnexxia.net@alfajor.home>; Sun, 25 Feb 2007 23:56:02 -0500 Original-Received: by alfajor.home (Postfix, from userid 20848) id 749E31C147; Sun, 25 Feb 2007 23:56:02 -0500 (EST) In-Reply-To: (Richard Stallman's message of "Sun\, 25 Feb 2007 22\:27\:16 -0500") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.94 (gnu/linux) X-detected-kernel: Solaris 8 (1) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:66826 Archived-At: > Regardless of the system load: the load may be low at the moment > _exactly_ because the user terminated all processes that would disturb > the interactivity of his current work, and I think it a mistake that > Emacs considers the CPU fit for grabbing for its own purposes unless > the user _explicitly_ asked for it. > Stealth fontification is intended to stop whenever the user types a > character. So why would it interfere with the "interactivity" of > Emacs commands? Is there a bug which prevents stealth fontification > from stopping quickly? Yes, I know of at least 2 causes: - it's based on polling and may take a long time before the next poll - the stealth-fontification causes swapping, and so even if the poll comes immediately, pages need to be swapped back in before the user's command can complete. Stefan