From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#37000: 27.0.50; gc and laggy Emacs Date: Sat, 10 Aug 2019 19:50:52 +0300 Message-ID: <837e7l7ymr.fsf@gnu.org> References: <87a7ch9ea6.fsf@gmail.com> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="56818"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 37000@debbugs.gnu.org To: Alex Branham Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Aug 10 18:52:09 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 1hwUbA-000EdX-HT for geb-bug-gnu-emacs@m.gmane.org; Sat, 10 Aug 2019 18:52:08 +0200 Original-Received: from localhost ([::1]:37474 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hwUb9-0005Qe-E7 for geb-bug-gnu-emacs@m.gmane.org; Sat, 10 Aug 2019 12:52:07 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54130) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hwUb5-0005QI-AJ for bug-gnu-emacs@gnu.org; Sat, 10 Aug 2019 12:52:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hwUb4-0006oJ-CU for bug-gnu-emacs@gnu.org; Sat, 10 Aug 2019 12:52:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:35579) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hwUb4-0006o8-9B for bug-gnu-emacs@gnu.org; Sat, 10 Aug 2019 12:52:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hwUb4-0002eg-4t for bug-gnu-emacs@gnu.org; Sat, 10 Aug 2019 12:52:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 10 Aug 2019 16:52:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 37000 X-GNU-PR-Package: emacs Original-Received: via spool by 37000-submit@debbugs.gnu.org id=B37000.156545587410141 (code B ref 37000); Sat, 10 Aug 2019 16:52:02 +0000 Original-Received: (at 37000) by debbugs.gnu.org; 10 Aug 2019 16:51:14 +0000 Original-Received: from localhost ([127.0.0.1]:44400 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hwUaH-0002dV-Q1 for submit@debbugs.gnu.org; Sat, 10 Aug 2019 12:51:14 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:41742) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hwUaF-0002dG-Kb for 37000@debbugs.gnu.org; Sat, 10 Aug 2019 12:51:12 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:55499) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hwUaA-00067g-Ec; Sat, 10 Aug 2019 12:51:06 -0400 Original-Received: from [176.228.60.248] (port=3997 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hwUa9-00015b-Po; Sat, 10 Aug 2019 12:51:06 -0400 In-reply-to: <87a7ch9ea6.fsf@gmail.com> (message from Alex Branham on Sat, 10 Aug 2019 11:27:29 -0500) 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:164850 Archived-At: > From: Alex Branham > Date: Sat, 10 Aug 2019 11:27:29 -0500 > > Recently I've noticed Emacs sometimes getting _very_ laggy, as in > taking up to a half-second to display the a single character that > I type. M-x profiler-start suggests that garbage-collection is > taking up too much time (see below my signature for example > output). gc-cons-percentage and gc-cons-threshold are at their > default values. I can't figure out how to reproduce this reliably, > but running M-x relint-directory on the Emacs source tree seems to > do a decent job triggering it. My Emacs is built from commit > 4ce9c6d0b58bd77bc811d6c1c5caf955a5a0be2f (~ 4 days ago) of the > master branch. How can I go about tracking this down? Trying to bisect to find the offending commit would be one way.