From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Ihor Radchenko Newsgroups: gmane.emacs.bugs Subject: bug#58558: 29.0.50; re-search-forward is slow in some buffers Date: Wed, 14 Dec 2022 11:40:37 +0000 Message-ID: <87cz8musay.fsf@localhost> References: <877d10r21x.fsf@localhost> <87tu44jdce.fsf@localhost> <87czasjd9j.fsf@gnus.org> <87k050nio5.fsf@localhost> <87zgdwhw0z.fsf@gnus.org> <83sfjo3tfw.fsf@gnu.org> <878rlfjmjh.fsf@localhost> <87mt9tbbbp.fsf@gnus.org> <8335bl18lo.fsf@gnu.org> <87wn8x9eqb.fsf@gnus.org> <87tu1zd2c6.fsf@localhost> <83h6xzphxm.fsf@gnu.org> <87wn6vbfaa.fsf@localhost> <838rjbpecw.fsf@gnu.org> <87fsdjwb4e.fsf@localhost> <83zgbrnv53.fsf@gnu.org> <87bko78aif.fsf@localhost> <83o7s7nqch.fsf@gnu.org> <878rjb89kq.fsf@localhost> <83mt7rnkb7.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19308"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 58558@debbugs.gnu.org, larsi@gnus.org, monnier@iro.umontreal.ca To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Dec 14 12:41:18 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 1p5Q8T-0004py-Lt for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 14 Dec 2022 12:41:17 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p5Q8I-0004qe-Ux; Wed, 14 Dec 2022 06:41:06 -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 1p5Q8E-0004q7-Pe for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2022 06:41:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1p5Q8E-0004ZX-G4 for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2022 06:41:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1p5Q8E-0002rz-BC for bug-gnu-emacs@gnu.org; Wed, 14 Dec 2022 06:41:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Ihor Radchenko Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 14 Dec 2022 11:41:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 58558 X-GNU-PR-Package: emacs Original-Received: via spool by 58558-submit@debbugs.gnu.org id=B58558.167101805511017 (code B ref 58558); Wed, 14 Dec 2022 11:41:02 +0000 Original-Received: (at 58558) by debbugs.gnu.org; 14 Dec 2022 11:40:55 +0000 Original-Received: from localhost ([127.0.0.1]:38559 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p5Q86-0002rd-MH for submit@debbugs.gnu.org; Wed, 14 Dec 2022 06:40:54 -0500 Original-Received: from mout01.posteo.de ([185.67.36.65]:41233) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p5Q84-0002rX-Di for 58558@debbugs.gnu.org; Wed, 14 Dec 2022 06:40:52 -0500 Original-Received: from submission (posteo.de [185.67.36.169]) by mout01.posteo.de (Postfix) with ESMTPS id 66125240029 for <58558@debbugs.gnu.org>; Wed, 14 Dec 2022 12:40:45 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1671018046; bh=P+D9nibJOH/zYUeaagF1h5KcwTpCiUer4qyip/WVA4Q=; h=From:To:Cc:Subject:Date:From; b=VCAc96TxH3umG9poNJjOprj4Jljpx8OluBRe14+VMuA9Ntt2lDzMIJfaNGqoBhWMC zVcezkx6Fh5umc6QDAFHBULtqyR9cO9KiNfMyyNAKtNutVRBKfF1pyglZ8LH2f3wm9 nx3RFE22oA32yvdLD1XtovyRsPBTQ2Qz9693MCJjV3VndVM2QRH1R96QtEH54mUI7o Ce/mQTbUY5aZdJwed7OJJpl0TfduWjHS7+ertYlXqxjj/n8MnmnoHQSQDbTZo/0Nco 5/jhhElaugWzKz1A2eGYYdE1oRywN7MmQwGL0RDWyz0qnm09GmgDr3wXe1nWQ4y4nt heKO4D4atypvw== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4NXD2N2dg2z6tmL; Wed, 14 Dec 2022 12:40:44 +0100 (CET) In-Reply-To: <83mt7rnkb7.fsf@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:250926 Archived-At: Eli Zaretskii writes: >> I am not sure what you mean by xbacktrace. > > It's a command we define in src/.gdbinit. Try this: > > (gdb) source /path/to/emacs/src/.gdbinit > (gdb) xbacktrace > > But do that after catching Fmake_marker call from Fmatch_data, like > you did before. Ok. Now, I disabled my custom mode-line and tied to get the backtrace for Fmake_marker and also build_marker (as suggested by Stefan). Disabling custom mode-line did not cause any apparent improvement in performance. Result: Breakpoint is still _not_ triggered during benchmark-run call (benchmark-progn (goto-char (point-min)) (while (re-search-forward yant/re nil t))) build_marker is not triggered, except during redisplay and completion. Fmake_marker is triggered a dozen of times when preparing M-: prompt and later a couple of hundreds of times _after_ executing the benchmark: Called a couple of hundreds of times Lisp Backtrace: "match-data" (0xf0c02130) 0x59846038 PVEC_COMPILED "auto-revert-buffers--buffer-list-filter" (0xf0c020b8) "apply" (0xf0c020b0) "auto-revert-buffers" (0xf0c02058) "apply" (0xf0c02050) "timer-event-handler" (0xffffcd48) not related. I will now look into counting the number of for look cycles, as Stefan suggested. -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at