From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#51692: 29.0.50; High CPU in c++ mode. Type finder? Date: Tue, 09 Nov 2021 05:11:20 +0100 Message-ID: <87pmrarms7.fsf@gnus.org> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="12603"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Alan Mackenzie , 51692@debbugs.gnu.org To: David Koppelman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 09 05:12:16 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mkIUa-00034w-1x for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 09 Nov 2021 05:12:16 +0100 Original-Received: from localhost ([::1]:40274 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkIUW-00065g-MG for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 08 Nov 2021 23:12:12 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:33056) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkIUM-0005wn-OU for bug-gnu-emacs@gnu.org; Mon, 08 Nov 2021 23:12:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:48699) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mkIUM-0005rj-G5 for bug-gnu-emacs@gnu.org; Mon, 08 Nov 2021 23:12:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mkIUM-0004r1-BW for bug-gnu-emacs@gnu.org; Mon, 08 Nov 2021 23:12:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 09 Nov 2021 04:12:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 51692 X-GNU-PR-Package: emacs Original-Received: via spool by 51692-submit@debbugs.gnu.org id=B51692.163643109718601 (code B ref 51692); Tue, 09 Nov 2021 04:12:02 +0000 Original-Received: (at 51692) by debbugs.gnu.org; 9 Nov 2021 04:11:37 +0000 Original-Received: from localhost ([127.0.0.1]:60241 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mkITx-0004px-F8 for submit@debbugs.gnu.org; Mon, 08 Nov 2021 23:11:37 -0500 Original-Received: from quimby.gnus.org ([95.216.78.240]:55032) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mkITu-0004pR-N7 for 51692@debbugs.gnu.org; Mon, 08 Nov 2021 23:11:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=+NAyoLuZzJqfRinnlS+zx0GpkNKTVFZdNHr/WzSINdI=; b=ie8A8mDoixZ7hGDQ2TQceWVj5V IcS/Cbe6LWQ7V4Eu2uSvfIa8+3lCX11VlVl9hwyzpIGJ3WU4uzjfxk4Phmb5polC67Cb9hjHM2c9N lSaqYMwyCPRMEuzvot4FsjrAX9plTVwgx6RhfhZihfAqeIPZNakQANhiiFi+RnASClHs=; Original-Received: from [84.212.220.105] (helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mkITh-0008St-2o; Tue, 09 Nov 2021 05:11:28 +0100 In-Reply-To: (David Koppelman's message of "Mon, 08 Nov 2021 13:00:06 -0600") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:219394 Archived-At: David Koppelman writes: > Load the attached file into a buffer: > > ./src/emacs --no-init d.cc > > Emacs will use 100% CPU on a core while the buffer is visible. CPU usage > goes to normal when switching to another buffer. The attached file is a > reduced version of a much larger file. (The larger file experiences the > high CPU usage only while a certain portion of the code is visible.) I can reproduce this problem on the trunk; Alan added to the CCs. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no