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#38644: 26.3; emacs uses 100% CPU with auto-revert-mode Date: Tue, 17 Dec 2019 18:17:04 +0200 Message-ID: <83fthj3p1b.fsf@gnu.org> References: Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="162485"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 38644@debbugs.gnu.org To: Peter Ludemann Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Dec 17 17:18:16 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 1ihFY8-000g0J-N9 for geb-bug-gnu-emacs@m.gmane.org; Tue, 17 Dec 2019 17:18:16 +0100 Original-Received: from localhost ([::1]:42696 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ihFY1-00039h-TG for geb-bug-gnu-emacs@m.gmane.org; Tue, 17 Dec 2019 11:18:09 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45878) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ihFXu-00039I-Pe for bug-gnu-emacs@gnu.org; Tue, 17 Dec 2019 11:18:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ihFXt-00014V-QT for bug-gnu-emacs@gnu.org; Tue, 17 Dec 2019 11:18:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36302) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ihFXt-00014R-NY for bug-gnu-emacs@gnu.org; Tue, 17 Dec 2019 11:18:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ihFXt-0000gJ-JP for bug-gnu-emacs@gnu.org; Tue, 17 Dec 2019 11:18:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 17 Dec 2019 16:18:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 38644 X-GNU-PR-Package: emacs Original-Received: via spool by 38644-submit@debbugs.gnu.org id=B38644.15765994451754 (code B ref 38644); Tue, 17 Dec 2019 16:18:01 +0000 Original-Received: (at 38644) by debbugs.gnu.org; 17 Dec 2019 16:17:25 +0000 Original-Received: from localhost ([127.0.0.1]:42275 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ihFXI-0000Ry-Qa for submit@debbugs.gnu.org; Tue, 17 Dec 2019 11:17:25 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:36588) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ihFXH-0000O7-Tn for 38644@debbugs.gnu.org; Tue, 17 Dec 2019 11:17:24 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:53431) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ihFXC-0007eN-Qv; Tue, 17 Dec 2019 11:17:18 -0500 Original-Received: from [176.228.60.248] (port=4149 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1ihFXB-0003rx-A5; Tue, 17 Dec 2019 11:17:17 -0500 In-reply-to: (message from Peter Ludemann on Mon, 16 Dec 2019 17:23:30 -0800) 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:173489 Archived-At: > From: Peter Ludemann > Date: Mon, 16 Dec 2019 17:23:30 -0800 > > My hypothesis is that emacs is monitoring some files that it shouldn't Emacs actually monitors the directory of every file whose buffer has auto-revert-mode turned on, if you use file notifications for auto-reverting (which is the default). > When I run a CPU-bound job that also does quite a bit of I/O, emacs > becomes very unresponsive -- running "top", I see CPU usage for emacs go > into the 50-100% range. Does "a bit of I/O" includes creating, deleting, or modifying files in a directory where you have a file whose buffer has auto-revert-mode? > As far as I know, I don't have any of the output files or directories > open (I have global-auto-revert-mode set) -- all the outputs go into one > directory and when I search the Buffer List, I don't see that > directory. Turn off auto-revert-use-notify and try again, would be my advice.