From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#37321: 27.0.50; Excessive gc in a use case (el-search) Date: Fri, 06 Sep 2019 15:52:10 +0200 Message-ID: <87lfv1pm5x.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="143066"; mail-complaints-to="usenet@blaine.gmane.org" To: 37321@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Sep 06 15:53:25 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1i6Eg1-000b34-Dl for geb-bug-gnu-emacs@m.gmane.org; Fri, 06 Sep 2019 15:53:25 +0200 Original-Received: from localhost ([::1]:56538 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i6Efz-0001CP-VU for geb-bug-gnu-emacs@m.gmane.org; Fri, 06 Sep 2019 09:53:24 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44323) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i6Eff-0001Bb-MA for bug-gnu-emacs@gnu.org; Fri, 06 Sep 2019 09:53:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i6Efe-0002nJ-NJ for bug-gnu-emacs@gnu.org; Fri, 06 Sep 2019 09:53:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:55978) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1i6Efe-0002n1-JJ for bug-gnu-emacs@gnu.org; Fri, 06 Sep 2019 09:53:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1i6Efe-0007Pw-EF for bug-gnu-emacs@gnu.org; Fri, 06 Sep 2019 09:53:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Michael Heerdegen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 06 Sep 2019 13:53:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 37321 X-GNU-PR-Package: emacs X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.156777794028460 (code B ref -1); Fri, 06 Sep 2019 13:53:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 6 Sep 2019 13:52:20 +0000 Original-Received: from localhost ([127.0.0.1]:36566 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i6Eey-0007Ox-8l for submit@debbugs.gnu.org; Fri, 06 Sep 2019 09:52:20 -0400 Original-Received: from lists.gnu.org ([209.51.188.17]:56295) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i6Eev-0007Oo-JO for submit@debbugs.gnu.org; Fri, 06 Sep 2019 09:52:18 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44109) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i6Eeu-0000sk-Bf for bug-gnu-emacs@gnu.org; Fri, 06 Sep 2019 09:52:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i6Eet-0002O4-AD for bug-gnu-emacs@gnu.org; Fri, 06 Sep 2019 09:52:16 -0400 Original-Received: from mout.web.de ([212.227.15.3]:51545) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1i6Ees-0002MU-Tg for bug-gnu-emacs@gnu.org; Fri, 06 Sep 2019 09:52:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1567777929; bh=pRY+hS9auRHi9QDx8v8ycNfK8uEFMTzRqKE0k42hcHs=; h=X-UI-Sender-Class:From:To:Subject:Date; b=PBUF3Ytmrw1Jq0zvZ6dMTijzJr6X32kpAHq4aq2m+aPXVlrrLawa0Ls2XydQd9XBU Az68ZPJxBQqw+NRf4zSJf6m79FJS70dHb60XJOCv8dQB4FsryZc38BabxeQcHV/A+J SrqObTuxv3qRn5KoRc49ymeV2nbZk8jQ7NwYGvpc= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Original-Received: from drachen.dragon ([94.218.186.138]) by smtp.web.de (mrweb003 [213.165.67.108]) with ESMTPSA (Nemesis) id 0Mhljf-1hjuig0B8t-00MwRR for ; Fri, 06 Sep 2019 15:52:09 +0200 X-Provags-ID: V03:K1:TNiAN4TsEzF/Rqcfy502pzTqR7ZokbR4k8lezxODo2eWi2pm4cL D9b+PQ6eIv5da8KNtFO04SOh6hbYeRNzDmf4+XKdlWDNtKdrEtQ8aqV5XxR/TFxLzwjcaHR 88Yi7gJbV8V8iDeZdohVILzFhhXjQEhdT0ltk/VQS5T6KdSiY2ppDHPk1M1Pmo1QRtF/j6P fEIynBsKEjV4Lv4tpOJhg== X-UI-Out-Filterresults: notjunk:1;V03:K0:chjtzxyNdGg=:M/4F3wc7ERab/aOCz8ikn+ gwcwtWBOGIbGuAtR94hG7Ryuj+kX7IrAvbjGxlZ44I3ciwY6Rc1cbE/ccVVXojkY1ChnbgPgj k826Or5ChekOmYGTvY+0JRcpUqPQKS0V0OFPu3o7zssWJJQpWM/FGgk1fyqbFdkwBTxrGluJm 4HCvcIynsWx/k8/XK9dr4rMNxXne1kbK8djUSC7Tbkp+z/nRpfFyubM/R/nuohEtfDgKwkaqw O0rMEcM3f7r4l+nPJZmlIfYJfn22s8XLL8IV+5ZvaPE2B6IVo1QDUppK4BR7bJHUcIbkotlCh S+ZHIoOUi+tcCAyDcEPtq2QXpIfihNREsyHXPezbx16XlyzvPZX/lWJaJhbI1+6Ta7WSvGxow yWD0QtqcI6jnyqrnIhK8T+sOcd9PdNTa0LARmPQOBsL8yc5oLK/0h418r+Yi2rwwtyGmFzL0O diuvSaTHpKpYHqL5tfI6WFNumptrS2lo4vxxs99BVwCujvGU3UzPGy2BW0cPlxMvHrYQr0r3S GNC+sfGsvyVg3PhHSVTBQRkLXY8Veh5jkLUGZDW+GxuXnblFUwqEAVjWMh4c1MJKvjg+w90eN NcHiZbIJtwroTkFRspYgitMM1C+HqfVpzpZbAkOlmA2w/bNNsjlo80qkyvOfibaI3exVMeaTy v65/5Gx8cj1VGrk6vDQ4LHAYhs3bYwcP19P/GeT5zb+pTZAvPeYz372sxYoy1URon1NWN3GLb VDP/GPsjjk7P6RtOd3QmtCo8VzpQe2FR8FdcrRmkkrfqWwc115o6S7WlVFWwlwfRUW/8yLJ0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:166248 Archived-At: Hi, apparently due to the latest changes in gc (I noticed the problem today, after doing a make bootstrap yesterday), el-searching is slowed down by a factor of 10000 or so. Profiling shows that nearly all of the time is spent in gc. To reproduce from emacs -Q: M-x list-packages Install el-search M-x el-search-emacs-elisp-sources 'pcase M-RET This will start an el-occur for the symbol 'pcase in the Emacs Elisp sources. This normally takes around 10 seconds but is now just unusable. (If you want me to bisect, do I have to make bootstrap, or does a simple make suffice?) Hope someone can help. TIA, Michael. In GNU Emacs 27.0.50 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.10) of 2019-09-06 built on drachen Repository revision: 459b416e5f950c6127f10c9eca68d65bdab688d4 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12004000 System Description: Debian GNU/Linux bullseye/sid