From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: How to debug high CPU usage -> hang Date: Tue, 10 Jan 2023 17:21:13 +0200 Message-ID: <831qo2o1p2.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18744"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jan 10 17:06:10 2023 Return-path: Envelope-to: geh-help-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 1pFH8Z-0004Vd-4F for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 10 Jan 2023 17:06:07 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pFGQm-0002QQ-DK; Tue, 10 Jan 2023 10:20:52 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pFGQi-0002Pb-G3 for help-gnu-emacs@gnu.org; Tue, 10 Jan 2023 10:20:48 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pFGQh-0004JV-Do for help-gnu-emacs@gnu.org; Tue, 10 Jan 2023 10:20:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=Nz/H9hxl7lPOOf82KNjsBquACu3fWtVV22l66OiUP9U=; b=U9y0lvJznQDO f0oIQPdYmK9cXfWE5g3Gghy1Iwwjht3a6NgKxPUsoVQ5uFe8FrU66gGJKu1bEUOCUzkMOYppDZKhy 0XHcfSRwvCZjeL2WXjPyLkDxNKxlxnYH0ioEKrg+jxdRS9B/KzYQgR440+gGwd0aEnO4iJu6wB3ag VF4z1g2/kl04NCch2hNmNLu2O4t49H5Lgy+8xpSzKKrG//CIT8Hv2myQcLe1FqW2RsUCzcQH0pOqg G7CQXjtjoj5UAFb1k+NXp82dAWlAOSJQE5MutJ1tSwPYUv1a2Hemj5fyGkeE881jsXO8UWpCks81C Nf/STI+XeT909ThxY3I8GA==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pFGQd-0000Bd-UH for help-gnu-emacs@gnu.org; Tue, 10 Jan 2023 10:20:46 -0500 In-Reply-To: (message from Ken Goldman on Tue, 10 Jan 2023 09:58:58 -0500) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:142193 Archived-At: > From: Ken Goldman > Date: Tue, 10 Jan 2023 09:58:58 -0500 > > I'm editing in ReST mode, Windows 11, emacs 28.1. > > Occasionally, I want to jump (search, etc.) and the CPU usage jumps and > emacs hangs. I suspect a font-lock issue. > > I fixed one by bisecting the text, then changing a table type. Now I > have another. > > Is there a general way to debug? I can suggest profiling and/or attaching a debugger.