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.bugs Subject: bug#73442: 29.2.50; mouse-fixup-help-message is very slow with a slow X connection Date: Mon, 23 Sep 2024 19:00:39 +0300 Message-ID: <86frpqfjh4.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2042"; mail-complaints-to="usenet@ciao.gmane.io" Cc: app-emacs-dev@janestreet.com, 73442@debbugs.gnu.org To: Spencer Baugh Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Sep 23 18:02:23 2024 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 1sslW2-0000Pf-TB for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 23 Sep 2024 18:02:23 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sslVY-000314-7G; Mon, 23 Sep 2024 12:01:54 -0400 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 1sslVL-0002kR-Db for bug-gnu-emacs@gnu.org; Mon, 23 Sep 2024 12:01:41 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sslVL-0006ku-1y for bug-gnu-emacs@gnu.org; Mon, 23 Sep 2024 12:01:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debbugs.gnu.org; s=debbugs-gnu-org; h=References:In-Reply-To:From:Date:To:Subject; bh=jDifaeqMUn5USCFN3caAsnYzZMzelwmub4NgWIGgxiM=; b=Wnn3GDp42CCpDXBZsqn5G3wu7PUbPUvaDVMLVNMdjwbGi7i8n2vrykpYpD+DTGopMntrVGwoHU6SiPZNTcuDoCOaSWum081MxKhsQvLbReZ4o6fYnDsNqhkrSpn7RCjRGAZSdxpHGQmMt0d12mR4QQt/YIQffSV8tvFlaZ6C0NOBvnLYuAcsBi02TbAm/sf5ZPk0nMZi783oDqmrnlASTAwHHmNJ490ghpBvHKn2o0vHAKwFH+s6KdLpCdkSvlwX4VJnvBZjpXkdbgR/ADQXHarsNKp9e0/KupbGMudVwFtvg/atHYA9THwNKQhFHyfL9f7qj86BqxEgQYk61tQuxw==; Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sslVh-0006D5-Uy for bug-gnu-emacs@gnu.org; Mon, 23 Sep 2024 12:02:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 23 Sep 2024 16:02:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 73442 X-GNU-PR-Package: emacs Original-Received: via spool by 73442-submit@debbugs.gnu.org id=B73442.172710727523769 (code B ref 73442); Mon, 23 Sep 2024 16:02:01 +0000 Original-Received: (at 73442) by debbugs.gnu.org; 23 Sep 2024 16:01:15 +0000 Original-Received: from localhost ([127.0.0.1]:44661 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sslUw-0006BI-Ru for submit@debbugs.gnu.org; Mon, 23 Sep 2024 12:01:15 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:55878) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sslUt-0006B1-KA for 73442@debbugs.gnu.org; Mon, 23 Sep 2024 12:01:12 -0400 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 1sslUQ-0006iG-6h; Mon, 23 Sep 2024 12:00:42 -0400 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=jDifaeqMUn5USCFN3caAsnYzZMzelwmub4NgWIGgxiM=; b=oK/B5vkzqaJX k8ZFYxygdrTIxEghIZOFSFXh1QxIlfPunFmGbKV5YwrJxiJtud3cBtp19AGvOIceAroehNOx17n3l 14YIW+IsPFbdtp6B5+3QtjR+xKJlKlJm4e+/sYax030HeZBz0FJOkqlObr2u640Xr3iiV1aYR06f9 fcM+1LBWxhCugOpcyfTnvGmcQhHwWedQ80CQpyyHa76asCtnLTXbhEgZX5WHkR2Ru6aVCT0gghG5S 8gRjk821HfpfhC4/Pbz2sySbGKSqDdzy5Ib7wbjVYc3FAtWG247YtHQYq5Obk5VcLfSqQdBF7N8Ja O+LgumIqUsWKELdyluQe2w==; In-Reply-To: (bug-gnu-emacs@gnu.org) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:292284 Archived-At: > Cc: app-emacs-dev@janestreet.com > Date: Mon, 23 Sep 2024 11:14:29 -0400 > From: Spencer Baugh via "Bug reports for GNU Emacs, > the Swiss army knife of text editors" > > > I unfortunately don't have a reliable recipe to reproduce this, but: > > 1. Have a slow X connection, e.g. through ssh -X > 2. emacs -Q > 3. Move the mouse over links with help messages mentioning mouse-2 > 4. Experience terrible lag as the mouse moves > > I narrowed this down to mouse-fixup-help-message with some profiling, > and (defalias mouse-fixup-help-message #'identity) stops the lag. > > I'm not sure why it's so slow. Maybe posn-at-x-y is particularly slow? Please profile with perf, so we know what part is slow. Thanks.