From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#16526: 24.3.50; scroll-conservatively & c-mode regression Date: Fri, 27 Jun 2014 18:54:55 -0400 Message-ID: References: <834n4j5d3k.fsf@gnu.org> <20140202174050.GA5365@acm.acm> <837g9d4cde.fsf@gnu.org> <20140202192007.GB5365@acm.acm> <831tzl44ox.fsf@gnu.org> <20140205230001.GB3381@acm.acm> <8338jw230j.fsf@gnu.org> <83wqc8sxd2.fsf@gnu.org> <20140625213206.GA3604@acm.acm> <20140627203416.GA4395@acm.acm> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1403909801 15914 80.91.229.3 (27 Jun 2014 22:56:41 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 27 Jun 2014 22:56:41 +0000 (UTC) Cc: 16526-done@debbugs.gnu.org To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Jun 28 00:56:31 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 1X0f4I-0003Hw-00 for geb-bug-gnu-emacs@m.gmane.org; Sat, 28 Jun 2014 00:56:30 +0200 Original-Received: from localhost ([::1]:52845 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X0f4H-0005Gt-Ni for geb-bug-gnu-emacs@m.gmane.org; Fri, 27 Jun 2014 18:56:29 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52263) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X0f47-0005Go-3e for bug-gnu-emacs@gnu.org; Fri, 27 Jun 2014 18:56:26 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X0f3z-0007hE-Au for bug-gnu-emacs@gnu.org; Fri, 27 Jun 2014 18:56:18 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:44258) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X0f3r-0007gY-7y; Fri, 27 Jun 2014 18:56:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1X0f3q-0007Vn-NQ; Fri, 27 Jun 2014 18:56:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Fri, 27 Jun 2014 22:56:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16526 X-GNU-PR-Package: emacs,cc-mode X-GNU-PR-Keywords: Original-Received: via spool by 16526-done@debbugs.gnu.org id=D16526.140390970528750 (code D ref 16526); Fri, 27 Jun 2014 22:56:02 +0000 Original-Received: (at 16526-done) by debbugs.gnu.org; 27 Jun 2014 22:55:05 +0000 Original-Received: from localhost ([127.0.0.1]:35404 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X0f2t-0007Tc-Kf for submit@debbugs.gnu.org; Fri, 27 Jun 2014 18:55:04 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:34434) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X0f2r-0007T3-1v for 16526-done@debbugs.gnu.org; Fri, 27 Jun 2014 18:55:01 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArYGAIDvNVNLd+D9/2dsb2JhbABZgwaDSr0vgw6BFxd0giUBAQEBAgFWIxALDiYSFBgNJIgECNIZF456B4Q4BKkZgWqDTCE X-IPAS-Result: ArYGAIDvNVNLd+D9/2dsb2JhbABZgwaDSr0vgw6BFxd0giUBAQEBAgFWIxALDiYSFBgNJIgECNIZF456B4Q4BKkZgWqDTCE X-IronPort-AV: E=Sophos;i="4.97,753,1389762000"; d="scan'208";a="69781930" Original-Received: from 75-119-224-253.dsl.teksavvy.com (HELO ceviche.home) ([75.119.224.253]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 27 Jun 2014 18:54:55 -0400 Original-Received: by ceviche.home (Postfix, from userid 20848) id 204D066302; Fri, 27 Jun 2014 18:54:55 -0400 (EDT) In-Reply-To: (Stefan Monnier's message of "Fri, 27 Jun 2014 18:33:10 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) 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:90919 Archived-At: >> Could scan-lists be exhausting some sort of resource in this particular >> invocation which needs ~0.7s to replenish? Or something like that? > Or a GC call or something like that? Can't think of any reason why that > could happen, no. One way to figure it out is to change your code such that scan-lists is always called twice in a row. If the time spend is the same both time, then it's definitely not some sort of resources exhaustion that just happens to slow down this one particular call. Stefan