From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#17124: 24.3.50; Occasional Extremely Slow Redraws in OSX Emacs Date: Fri, 28 Mar 2014 10:20:22 +0300 Message-ID: <83a9cayekp.fsf@gnu.org> References: <3720C794-D850-4F7A-B5C4-1BC1A72BA26B@gmail.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1395991271 22772 80.91.229.3 (28 Mar 2014 07:21:11 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 28 Mar 2014 07:21:11 +0000 (UTC) Cc: 17124@debbugs.gnu.org To: Eric Froemling Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Mar 28 08:21:21 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WTR6P-00079m-2h for geb-bug-gnu-emacs@m.gmane.org; Fri, 28 Mar 2014 08:21:21 +0100 Original-Received: from localhost ([::1]:57580 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WTR6O-0004Nm-L4 for geb-bug-gnu-emacs@m.gmane.org; Fri, 28 Mar 2014 03:21:20 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47572) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WTR6G-0004Nf-9m for bug-gnu-emacs@gnu.org; Fri, 28 Mar 2014 03:21:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WTR67-00050b-F1 for bug-gnu-emacs@gnu.org; Fri, 28 Mar 2014 03:21:12 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:52369) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WTR67-00050U-BF for bug-gnu-emacs@gnu.org; Fri, 28 Mar 2014 03:21:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WTR66-00012n-9U for bug-gnu-emacs@gnu.org; Fri, 28 Mar 2014 03:21:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 28 Mar 2014 07:21:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17124 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 17124-submit@debbugs.gnu.org id=B17124.13959912293953 (code B ref 17124); Fri, 28 Mar 2014 07:21:02 +0000 Original-Received: (at 17124) by debbugs.gnu.org; 28 Mar 2014 07:20:29 +0000 Original-Received: from localhost ([127.0.0.1]:53551 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WTR5Y-00011g-Dm for submit@debbugs.gnu.org; Fri, 28 Mar 2014 03:20:29 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:48721) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WTR5T-00011U-Uc for 17124@debbugs.gnu.org; Fri, 28 Mar 2014 03:20:25 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0N3400000XG3SU00@a-mtaout20.012.net.il> for 17124@debbugs.gnu.org; Fri, 28 Mar 2014 10:20:22 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0N340005JXPXDEA0@a-mtaout20.012.net.il>; Fri, 28 Mar 2014 10:20:22 +0300 (IDT) In-reply-to: <3720C794-D850-4F7A-B5C4-1BC1A72BA26B@gmail.com> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:87478 Archived-At: > From: Eric Froemling > Date: Thu, 27 Mar 2014 14:23:28 -0700 > > I've been using various OSX emacs builds from http://emacsformacosx.com > for a few years now. I'm on a 2012 Retina Macbook Pro 15". Every so > often when I am resizing the emacs frame or window I get a single > extremely slow redraw. Here's a screen-capture video I was able to > take of one just now as it was occurring: > http://www.files.froemling.net/misc/SlowEmacs.mov I cannot see that movie on my box. Do you see delays between characters on the same screen lines, or is the delay between screen lines? > I have not found a way to reliably reproduce these, though they happen > somewhat regularly when I am working. Please let me know if there's > any other info I can provide or anything I can do on my end to help > get to the bottom of this. Try to look at the CPU load when this happens, in particular if more than a single CPU core is busy (assuming you have a multi-core CPU). If more than one core us busy, it probably means that more than one thread is using the CPU (Emacs redisplay engine is single-threaded).