From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen <larsi@gnus.org> Newsgroups: gmane.emacs.bugs Subject: bug#36566: 27.0.50; debug is sometimes horribly slow Date: Fri, 13 May 2022 18:01:02 +0200 Message-ID: <87mtfl1kxt.fsf@gnus.org> References: <87r26yvb4r.fsf@web.de> <871ryy2l1t.fsf@gmail.com> <87r26xjyon.fsf@web.de> <877e8llbzo.fsf@runbox.com> <8736ilaepu.fsf@runbox.com> <87h871u24i.fsf@gmail.com> <874l2vcrtn.fsf@runbox.com> <874l2eosa7.fsf@gmail.com> <87mufh8jj2.fsf@runbox.com> <87v9tza6gg.fsf@gmail.com> <875zlvj453.fsf@runbox.com> <87bkwp2pjr.fsf@gnus.org> <87a6c72v1t.fsf@runbox.com> <87k0bb16jc.fsf@web.de> <874k2ed828.fsf@gnus.org> <875ym931t9.fsf@runbox.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40226"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Michael Heerdegen <michael_heerdegen@web.de>, 36566@debbugs.gnu.org, Noam Postavsky <npostavs@gmail.com>, Stefan Monnier <monnier@IRO.UMontreal.CA> To: Gemini Lasswell <gazally@runbox.com> Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri May 13 18:32:30 2022 Return-path: <bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org> 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 <bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org>) id 1npYDN-000AGS-42 for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 13 May 2022 18:32:29 +0200 Original-Received: from localhost ([::1]:37070 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org>) id 1npYDL-0003Sv-Ld for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 13 May 2022 12:32:27 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51186) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1npXk9-0008W8-DM for bug-gnu-emacs@gnu.org; Fri, 13 May 2022 12:02:17 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50927) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1npXjt-000337-Vx for bug-gnu-emacs@gnu.org; Fri, 13 May 2022 12:02:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from <Debian-debbugs@debbugs.gnu.org>) id 1npXjt-0006Rv-Sz for bug-gnu-emacs@gnu.org; Fri, 13 May 2022 12:02:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen <larsi@gnus.org> Original-Sender: "Debbugs-submit" <debbugs-submit-bounces@debbugs.gnu.org> Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 13 May 2022 16:02:01 +0000 Resent-Message-ID: <handler.36566.B36566.165245767424661@debbugs.gnu.org> Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36566 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 36566-submit@debbugs.gnu.org id=B36566.165245767424661 (code B ref 36566); Fri, 13 May 2022 16:02:01 +0000 Original-Received: (at 36566) by debbugs.gnu.org; 13 May 2022 16:01:14 +0000 Original-Received: from localhost ([127.0.0.1]:44808 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces@debbugs.gnu.org>) id 1npXj8-0006Ph-AJ for submit@debbugs.gnu.org; Fri, 13 May 2022 12:01:14 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:39136) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <larsi@gnus.org>) id 1npXj6-0006PQ-QX for 36566@debbugs.gnu.org; Fri, 13 May 2022 12:01:13 -0400 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=XobWrd6rHdnJgKomuSZroRz7XRaSPRcgZw9+mYo1SMA=; b=ku03sS6boLJx53Y6/xrN5sters e1WjzfgD8g1vJBCNi0NZiVp2YqzOywCV4jqCoGlOGbrHAY/7hMpy8m+vZp1tzZyxmKwU89yQ8xU5k Z/xc+ka9DmVUAvNmzRshk8rqUM09qEz7AOuz5wgfKeOVa76kfcmShg1xU65nWe7iUO0E=; 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 <larsi@gnus.org>) id 1npXiw-0002II-M5; Fri, 13 May 2022 18:01:04 +0200 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAGFBMVEUFBAUnHRkyKylR RDpGNzGVg25hVEv///945FKsAAAAAWJLR0QHFmGI6wAAAAd0SU1FB+YFDQ8eE23gPK4AAAGqSURB VDjLjVRNk4IwDG1x9WwqeoZSOCMwnBU7nld39OzCbv//T9ikfFk7O2NmUNqXvCQvLYxxsMYA1swx 2a/B2SzwSXQDoHTzvB980a84d3UXuzTZgzEMQFBVDrB8TK/cAba5v2dtETHWyFN1OpXaA/P+b7V+ BQqhVdlVNbzso6Pt3Av438JT3SaFjjzgCLD7jmNlF0rOlI3UaSdhRzuZaUmjAeQglZSS3m4d7Qmv p23be2a2t0CKCMulCDM4rK59cr5phSR123Ecd2I8YFV9rfw6AjfiAkyMD06Q78dkvw8n9yx/+kli YWY+6TYAF6LSZYVsOPRgAnaXmecDlxOwIirIjKmrCk9SOgNu8vQwVeVOZ3Ucy7tZdZUxplVIFRSj x53QvF8sMPo8cC1tUWWhuqpJaqpyEGuX9+OAGECQXNxQCOehP/89gzicFZiFCqPsZ7wQygoCyegQ j/5SWiBmb5uI7RH1InhhuaR3ZIJo6NyjSqpSN9oeuMkiv8We/hhaBXygIElrs6evQPGMCHVg/MBt q84d3JiccfwsSKm0ccnQjYs1p3v4riB/wnw3K2tbAgAAAAAldEVYdGRhdGU6Y3JlYXRlADIwMjIt MDUtMTNUMTU6MzA6MTkrMDA6MDDy2CxQAAAAJXRFWHRkYXRlOm1vZGlmeQAyMDIyLTA1LTEzVDE1 OjMwOjE5KzAwOjAwg4WU7AAAAABJRU5ErkJggg== X-Now-Playing: Colourbox's _Colourbox (PolyGram)_: "Breakdown" In-Reply-To: <875ym931t9.fsf@runbox.com> (Gemini Lasswell's message of "Thu, 28 Apr 2022 10:56:26 -0700") 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" <bug-gnu-emacs.gnu.org> List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-gnu-emacs>, <mailto:bug-gnu-emacs-request@gnu.org?subject=unsubscribe> List-Archive: <https://lists.gnu.org/archive/html/bug-gnu-emacs> List-Post: <mailto:bug-gnu-emacs@gnu.org> List-Help: <mailto:bug-gnu-emacs-request@gnu.org?subject=help> List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-gnu-emacs>, <mailto:bug-gnu-emacs-request@gnu.org?subject=subscribe> Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" <bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org> Xref: news.gmane.io gmane.emacs.bugs:232173 Archived-At: <http://permalink.gmane.org/gmane.emacs.bugs/232173> Gemini Lasswell <gazally@runbox.com> writes: > The slowness does come from printing large tree-like structures. Here is > a small example to reproduce the problem. Paste the following code into > *scratch*: > > (defun my-make-a-tree (depth) > (if (natnump depth) > (list (my-make-a-tree (1- depth)) (my-make-a-tree (1- depth))) > (list 'leaf))) > > (defun my-func () > (let ((tree (my-make-a-tree 13))) > tree)) > > (my-func) > > Evaluate the first form using C-M-x and the second using C-u C-M-x. > Then evaluate the third form with C-M-x. You will enter Edebug; press > space to step through. > > Result: Each step takes a few seconds and creates a message of about > 150K characters. Thanks for the recipe; I can reproduce the issue here, too. I'm not quite sure what the correct shortening would be here... anybody got any ideas? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no