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#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling) Date: Mon, 15 Aug 2022 15:08:31 +0300 Message-ID: <834jydiu9s.fsf@gnu.org> References: <87bksmx1j1.fsf@localhost> <5900f208367791fbdfe2@heytings.org> <83bksmka08.fsf@gnu.org> <87r11h4tuk.fsf@localhost> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32831"; mail-complaints-to="usenet@ciao.gmane.io" Cc: gregory@heytings.org, 57207@debbugs.gnu.org To: Ihor Radchenko Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Aug 15 14:09:21 2022 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 1oNYuH-0008Qj-5H for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 15 Aug 2022 14:09:21 +0200 Original-Received: from localhost ([::1]:38792 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oNYuG-0000CP-4G for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 15 Aug 2022 08:09:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36954) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oNYtz-0000AH-6V for bug-gnu-emacs@gnu.org; Mon, 15 Aug 2022 08:09:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:51374) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oNYtx-0005lx-TI for bug-gnu-emacs@gnu.org; Mon, 15 Aug 2022 08:09:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oNYtx-0007Vv-Op for bug-gnu-emacs@gnu.org; Mon, 15 Aug 2022 08:09:01 -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, 15 Aug 2022 12:09:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 57207 X-GNU-PR-Package: emacs Original-Received: via spool by 57207-submit@debbugs.gnu.org id=B57207.166056533328866 (code B ref 57207); Mon, 15 Aug 2022 12:09:01 +0000 Original-Received: (at 57207) by debbugs.gnu.org; 15 Aug 2022 12:08:53 +0000 Original-Received: from localhost ([127.0.0.1]:41123 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNYto-0007VW-Mx for submit@debbugs.gnu.org; Mon, 15 Aug 2022 08:08:53 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:52230) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oNYtn-0007VJ-Sw for 57207@debbugs.gnu.org; Mon, 15 Aug 2022 08:08:52 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:37326) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oNYti-0005kV-M8; Mon, 15 Aug 2022 08:08:46 -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=a1hwPcH0+e1AZdRvEz7ZYz/h54v4AsqjcJCZAzFZ4mg=; b=eWBGFpZPb/iE DItqAcD3Xc9RgyhBR5QFufHIwR0xkypIg0sFXsMciPYHttoQxgZVrKh4wb5jzwuiLbT9pME6HcXpL bTDIf68ui0VOpu+47bjSUergYOswU5YgKx/Xf6/VRFZ2R/YdLQx9OcwYIarXumGDZKA5a+KS443/A jbw2NmDmGC59G1TLPFuK15oy1oc00yALoBpxrSLUwGS7Ct56kdF6MooLyihwSuBM6JilMyB6L4/P2 FsN65krr4sEynBGy8H1EEgiP5ufIe8oGBRngxQ5Kk2DVharhy6iGkquEZ6uKT3sqzQ3N0wzjbko99 9UPHWQIWFr2mMFpS0OHZ1Q==; Original-Received: from [87.69.77.57] (port=1356 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 1oNYth-0003hC-6o; Mon, 15 Aug 2022 08:08:46 -0400 In-Reply-To: <87r11h4tuk.fsf@localhost> (message from Ihor Radchenko on Mon, 15 Aug 2022 19:41:23 +0800) 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:239788 Archived-At: > From: Ihor Radchenko > Cc: Gregory Heytings , 57207@debbugs.gnu.org > Date: Mon, 15 Aug 2022 19:41:23 +0800 > > Eli Zaretskii writes: > > > If they do, can you put a breakpoint in xdisp.c here: > > ... > > > > and see how frequently this gets called in the same buffer when you do > > whatever shows the performance degradation? > > Could you please clarify what exactly do I need to look for? What do you > mean by frequency? Should I share some kind of gdb log? I will, if your information from the "hung" Emacs will not give us a good clue. Given what you say there, it sounds like my theory behind the above doesn't hold water, because it cannot explain the effect of enlarging long-line-threshold that you experience.