From unknown Sun Jun 22 04:16:15 2025 X-Loop: help-debbugs@gnu.org Subject: bug#42911: 28.0.50; write_region sometimes extremely very slow Resent-From: Tino Calancha Original-Sender: "Debbugs-submit" Resent-CC: uyennhi.qm@gmail.com, bug-gnu-emacs@gnu.org Resent-Date: Tue, 18 Aug 2020 09:47:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 42911 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 42911@debbugs.gnu.org Cc: uyennhi.qm@gmail.com X-Debbugs-Original-To: bug-gnu-emacs@gnu.org X-Debbugs-Original-Xcc: uyennhi.qm@gmail.com Received: via spool by submit@debbugs.gnu.org id=B.15977440199097 (code B ref -1); Tue, 18 Aug 2020 09:47:02 +0000 Received: (at submit) by debbugs.gnu.org; 18 Aug 2020 09:46:59 +0000 Received: from localhost ([127.0.0.1]:34035 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7yCp-0002Mf-E4 for submit@debbugs.gnu.org; Tue, 18 Aug 2020 05:46:59 -0400 Received: from lists.gnu.org ([209.51.188.17]:48394) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7yCn-0002MX-Pt for submit@debbugs.gnu.org; Tue, 18 Aug 2020 05:46:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36022) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k7yCn-0005Pg-Hn for bug-gnu-emacs@gnu.org; Tue, 18 Aug 2020 05:46:57 -0400 Received: from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e]:40400) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k7yCl-0003k2-FY for bug-gnu-emacs@gnu.org; Tue, 18 Aug 2020 05:46:57 -0400 Received: by mail-wm1-x32e.google.com with SMTP id k20so16351635wmi.5 for ; Tue, 18 Aug 2020 02:46:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=oZguOnu+JOhR9Cfmdbv/3UkrT63Ls4alBLctFqY8xxY=; b=afBM9+xsfvf47Jd6LLolRg10TxBAd2TRYKhpOusev/5YvyR9HSYhJQ7FmbccSIofJp OHJ1NhdX9RBt5d3WjAnEIsI73zmBx0o+yLZmJbGFQV1HWbmPWC3DjbQ2Yap7ZrcZvwZ2 3XZu+5gSBrKi55xSRA1/sZk+jkNAqi2EZl3qC5J5zOcoNQEYG6/LpQwmufMeguFjMB1V W/OpFKWCIHAK1a960YFzxrPlDe2ZkBV1ka+deRsuSEygxTCH/8gXlAvMvxmTMGIVG+M7 a09aliUCJnhu5mVCW0S/QMD6XVdwfFSw+fv25PSjjB7FbiudGUyt44mATntMnD19yLu7 ZAww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=oZguOnu+JOhR9Cfmdbv/3UkrT63Ls4alBLctFqY8xxY=; b=S08XNY7zVhtPQ6DRXE4wfUGfjIKqUtUs8k/Ram73GkPQxvqIzvzcJQbcgSk++zu/Rk P59kYQTQ0n/JDyg5/DWF1J7cNtZb8/kLxJErnd3u30Fdr1l/B+8XVOAWWhuJDmQZsgzX 7lmjLePyLtujDdfciiD3J1tiCmc6NLvIDx/sFZQzhMNB34OFSCfUREKflqPEM9JxXR2Q oc2MkZ8EB9AYp2HHWuKnSd1jn7MqZTus3VdDNtaZLeZTP7hbwn0Tso/rbtXsB1dUJkOQ coPrXNcFBYVa6AH2A7cKSGb5tdBQAB2PppGyKIsSKgLVjWLZtfN+GChO+csYpvZN59eF 0PrA== X-Gm-Message-State: AOAM530LY0AEuT9GD/HltBhCitAznOguhTHz0Odw50id2V1MbXF4f8vK vK7mHR4E7FokQbeCdQ4e0s7dDSzN271KRg== X-Google-Smtp-Source: ABdhPJwyeW9RGj2hkNgZOld+v3CsjCRUxfc6ZUjeuCsnj90nh+E2gFkhFEi/w2VeRbA7/BqYqkrlgQ== X-Received: by 2002:a1c:de85:: with SMTP id v127mr19716605wmg.156.1597744012579; Tue, 18 Aug 2020 02:46:52 -0700 (PDT) Received: from localhost.example.com (nat1.prg.suse.com. [195.250.132.148]) by smtp.gmail.com with ESMTPSA id f12sm32739191wmc.46.2020.08.18.02.46.51 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Aug 2020 02:46:51 -0700 (PDT) From: Tino Calancha Date: Tue, 18 Aug 2020 11:46:13 +0200 Message-ID: <87ft8kffru.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=tino.calancha@gmail.com; helo=mail-wm1-x32e.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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Content preview: X-Debbugs-Cc: uyennhi.qm@gmail.com Verified in both emacs-27 and emacs-master Recipe: emacs -Q ~/save-buffer-slow.txt ; ; insert few characters and run M-: (benchmark-run nil (save-buffer)) Content analysis details: (1.1 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [209.51.188.17 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 1.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (tino.calancha[at]gmail.com) 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [209.51.188.17 listed in wl.mailspike.net] 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders 1.0 FREEMAIL_REPLY From and body contain different freemails 1.4 SPOOFED_FREEMAIL No description available. X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) X-Debbugs-Cc: uyennhi.qm@gmail.com Verified in both emacs-27 and emacs-master Recipe: emacs -Q ~/save-buffer-slow.txt ;; insert few characters and run M-: (benchmark-run nil (save-buffer)) ;; Repeat several times: sometimes it takes a reasonable time, but ;; in others it takes huge time ;; (6-10 s to save a buffer with less that 50 characters) It happens randomly. I have been observed this maybe 1 week. I don't recall to see this in my other laptio runinning Debian 10, so it might be OS related? In GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.21, c= airo version 1.16.0) of 2020-08-18 built on localhost.example.com Repository revision: 9905001e4b0c9dc0a90cefdd9530a90d07a17b99 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12008000 System Description: openSUSE Tumbleweed uname -a: Linux localhost.example.com 5.7.11-1-default #1 SMP Wed Jul 29 09= :32:21 UTC 2020 (5015994) x86_64 x86_64 x86_64 GNU/Linux Recent messages: You can run the command =E2=80=98erase-buffer=E2=80=99 with M-x era RET user-error: Beginning of history; no preceding item Saving file /home/calancha/save-buffer-slow.txt... Wrote /home/calancha/save-buffer-slow.txt (6.688615679 0 0.0) Saving file /home/calancha/save-buffer-slow.txt... Wrote /home/calancha/save-buffer-slow.txt (0.076871944 0 0.0) Saving file /home/calancha/save-buffer-slow.txt... Wrote /home/calancha/save-buffer-slow.txt (10.659738934 0 0.0) Configured using: 'configure --with-x-toolkit=3Dgtk3' Configured features: XPM JPEG TIFF GIF PNG CAIRO SOUND DBUS GSETTINGS GLIB NOTIFY INOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS PDUMPER Important settings: value of $LC_ALL:=20 value of $LC_COLLATE: en_US.UTF-8 value of $LC_CTYPE: en_US.UTF-8 value of $LC_MESSAGES: en_US.UTF-8 value of $LC_MONETARY: en_US.UTF-8 value of $LC_NUMERIC: en_US.UTF-8 value of $LC_TIME: en_US.UTF-8 value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=3Dibus locale-coding-system: utf-8-unix Major mode: Text Minor modes in effect: tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs text-property-search mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils cl-extra seq byte-opt gv bytecomp byte-compile cconv help-mode easymenu novice time-date subr-x cl-loaddefs cl-lib benchmark tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode elisp-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core term/tty-colors frame minibuffer cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite charscript charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote threads dbusbind inotify dynamic-setting system-font-setting font-render-setting cairo move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 47888 6325) (symbols 48 6098 1) (strings 32 16202 1003) (string-bytes 1 529670) (vectors 16 11018) (vector-slots 8 152947 12719) (floats 8 33 40) (intervals 56 201 0) (buffers 992 13)) From unknown Sun Jun 22 04:16:15 2025 X-Loop: help-debbugs@gnu.org Subject: bug#42911: 28.0.50; write_region sometimes extremely very slow Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 18 Aug 2020 10:46:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 42911 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Tino Calancha Cc: uyennhi.qm@gmail.com, 42911@debbugs.gnu.org Received: via spool by 42911-submit@debbugs.gnu.org id=B42911.159774752424904 (code B ref 42911); Tue, 18 Aug 2020 10:46:01 +0000 Received: (at 42911) by debbugs.gnu.org; 18 Aug 2020 10:45:24 +0000 Received: from localhost ([127.0.0.1]:34204 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7z7L-0006TQ-VK for submit@debbugs.gnu.org; Tue, 18 Aug 2020 06:45:24 -0400 Received: from eggs.gnu.org ([209.51.188.92]:45052) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7z7J-0006MU-Uf for 42911@debbugs.gnu.org; Tue, 18 Aug 2020 06:45:22 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:49121) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k7z7E-0003jh-L1; Tue, 18 Aug 2020 06:45:16 -0400 Received: from [176.228.60.248] (port=1580 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1k7z7A-0001v0-NY; Tue, 18 Aug 2020 06:45:16 -0400 Date: Tue, 18 Aug 2020 13:44:56 +0300 Message-Id: <83lficfd1z.fsf@gnu.org> From: Eli Zaretskii In-Reply-To: <87ft8kffru.fsf@gmail.com> (message from Tino Calancha on Tue, 18 Aug 2020 11:46:13 +0200) References: <87ft8kffru.fsf@gmail.com> X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) > From: Tino Calancha > Date: Tue, 18 Aug 2020 11:46:13 +0200 > Cc: uyennhi.qm@gmail.com > > Recipe: > emacs -Q ~/save-buffer-slow.txt > ;; insert few characters and run > M-: (benchmark-run nil (save-buffer)) > > ;; Repeat several times: sometimes it takes a reasonable time, but > ;; in others it takes huge time > ;; (6-10 s to save a buffer with less that 50 characters) > > It happens randomly. Did you check that GC doesn't kick in when the "slow" saving happens? From unknown Sun Jun 22 04:16:15 2025 X-Loop: help-debbugs@gnu.org Subject: bug#42911: 28.0.50; write_region sometimes extremely very slow Resent-From: Tino Calancha Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 25 Aug 2020 16:05:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 42911 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Eli Zaretskii Cc: uyennhi.qm@gmail.com, 42911@debbugs.gnu.org Received: via spool by 42911-submit@debbugs.gnu.org id=B42911.15983714711282 (code B ref 42911); Tue, 25 Aug 2020 16:05:01 +0000 Received: (at 42911) by debbugs.gnu.org; 25 Aug 2020 16:04:31 +0000 Received: from localhost ([127.0.0.1]:35780 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kAbQx-0000KY-8t for submit@debbugs.gnu.org; Tue, 25 Aug 2020 12:04:30 -0400 Received: from mail-wr1-f44.google.com ([209.85.221.44]:36818) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kAbQv-0000KL-Ih for 42911@debbugs.gnu.org; Tue, 25 Aug 2020 12:04:26 -0400 Received: by mail-wr1-f44.google.com with SMTP id x7so7213280wro.3 for <42911@debbugs.gnu.org>; Tue, 25 Aug 2020 09:04:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=qgWMjQbh/nAit0jKHroJEQvRFnftHXGWRgSHMAm7Q5M=; b=N8myB+X8ymepSwN8RQ01h2CwQhkObiVze+FPznS3leXoAy/FS9kShdjAIFWvtYEXRL LWZrI9CgasJw6y8bhtCEogS9J6AwHWDDesjmPef1xGVSkF3KDZF68sUe/PsoMl/3n/Lw XOq7gzpeHAXmF+kPX12xf888nIDt/LyhD8gDjiyJAXSjumENB7cLWwUl005GzlZY+n3i TvGLWRGsUTPlBcr0ooJ2Hj6zz7l0tpsSscwA6BEFKw+3E8CA1aWozjk7oyvhSKcI7H2y +T6gu9SXJ4dXa4Rki6xhsEGy7J0VGDJ+FYrjV/q9CO3eDSDDdSm2vKljI5ge2kr0lDmE eYJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=qgWMjQbh/nAit0jKHroJEQvRFnftHXGWRgSHMAm7Q5M=; b=I1ThG8wADHZiAgQYy10yN/mCST8gC0r2qv6DlEqqWXnw5nVZhdvvPVxpiWlDM1OoPd sL3EI5rKFNsjZBdaEzNcpB+/jC52gl74pJgI0bGxhh2aydVXd18HcIgOWGU6gC7FYwYn DuLlliOdwtupqoYmYTWNtpU9WJ9BMYu4VlU+B2LdZPE4HMLKyRsdcuFvL9FOlisA5Ehl u8M2G8zRixpg09egU1Hqgkpr7PGRm/V3vj6nTy5ey1lLRvhy0G6MJYQUsXG9vTXtd0MI Yx/+KicIZ/Gep+sMkzZkPVEeMMV0kdwXHvdEye2VXGLST7XLsQzcxHTw4j6q0Y1Urxtb /Aqw== X-Gm-Message-State: AOAM533UsvdZvtmYyW6GZyqd2ZvUyXxOo3001t+SpprpSj6iKCEAcv97 R8a2Xn/me4Ys6k5Vhq4UU6G2GH24YijWLg== X-Google-Smtp-Source: ABdhPJw7kYUhMhUo3/PMnsBxU82389t7XN/zbLDxgri4CSEI82rT/prJTy3Ly4m5+ufEM1vPXCh4Jw== X-Received: by 2002:a5d:4748:: with SMTP id o8mr11018577wrs.72.1598371459345; Tue, 25 Aug 2020 09:04:19 -0700 (PDT) Received: from localhost.example.com (64.red-83-58-61.dynamicip.rima-tde.net. [83.58.61.64]) by smtp.gmail.com with ESMTPSA id a3sm7162902wme.34.2020.08.25.09.04.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Aug 2020 09:04:18 -0700 (PDT) From: Tino Calancha References: <87ft8kffru.fsf@gmail.com> <83lficfd1z.fsf@gnu.org> Date: Tue, 25 Aug 2020 18:04:17 +0200 In-Reply-To: <83lficfd1z.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 18 Aug 2020 13:44:56 +0300") Message-ID: <874koqsoe6.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Eli Zaretskii writes: >> Recipe: >> emacs -Q ~/save-buffer-slow.txt >> ;; insert few characters and run >> M-: (benchmark-run nil (save-buffer)) >> >> ;; Repeat several times: sometimes it takes a reasonable time, but >> ;; in others it takes huge time >> ;; (6-10 s to save a buffer with less that 50 characters) >> >> It happens randomly. > > Did you check that GC doesn't kick in when the "slow" saving happens? `benchmark-run` lets you know teh number of GC and the time used by them while running the form. The reported slowliness was happening even without GC. I was curious if someone runnning opensuse Tumbleweed was seeing something similar. I suspect this might be a problem of my OS (probably it was under heavy stress). Now I am in vacation, and the computer seems more relax (same like me). I have also upgraded the OS and got a new kernel. The following is data right now running this: emacs -Q /tmp/save-slow-buffer.txt ;; evaluate the following key binding: (global-set-key (kbd "") (lambda () (interactive) (print (benchmark-run nil (save-buffer)) (current-buffer)))) ;; now push slowly several times ;; Still seems a bit slow sometimes (~0.1 s) but it is acceptable for my needs: (0.058208321 0 0.0) (0.10882129 1 0.025746066999999928) (0.051934588 0 0.0) (0.068579962 0 0.0) (0.066899402 0 0.0) (0.078017127 0 0.0) (0.078926675 0 0.0) (0.117405042 0 0.0) (0.04960965 0 0.0) (0.043352053 0 0.0) (0.086415222 0 0.0) (0.064884219 0 0.0) (0.06522908 0 0.0) (0.058116398 0 0.0) (0.109880304 0 0.0) (0.049452437 0 0.0) (0.10265914 0 0.0) (0.080930332 0 0.0) (0.298022584 0 0.0) (0.067618432 0 0.0) (0.059602676 0 0.0) (0.0712565 0 0.0) (0.066321402 0 0.0) (0.062397403 0 0.0) (0.16588965 0 0.0) (0.123642695 0 0.0) (0.055607216 0 0.0) (0.070665992 0 0.0) (0.087962897 0 0.0) (0.179056865 0 0.0) (0.084647328 0 0.0) (0.152946603 0 0.0) (0.074221478 0 0.0) (0.0797594 0 0.0) (0.117525087 0 0.0) (0.068923711 0 0.0) (0.074521989 0 0.0) (0.074681374 0 0.0) (0.202450873 0 0.0) (0.102854426 0 0.0) (0.083368982 0 0.0) (0.074109755 0 0.0) (0.070000116 0 0.0) (0.065221696 0 0.0) (0.077440244 0 0.0) From unknown Sun Jun 22 04:16:15 2025 X-Loop: help-debbugs@gnu.org Subject: bug#42911: 28.0.50; write_region sometimes extremely very slow Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 25 Aug 2020 16:20:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 42911 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Tino Calancha Cc: uyennhi.qm@gmail.com, 42911@debbugs.gnu.org Received: via spool by 42911-submit@debbugs.gnu.org id=B42911.15983723672700 (code B ref 42911); Tue, 25 Aug 2020 16:20:02 +0000 Received: (at 42911) by debbugs.gnu.org; 25 Aug 2020 16:19:27 +0000 Received: from localhost ([127.0.0.1]:35802 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kAbfS-0000hU-P4 for submit@debbugs.gnu.org; Tue, 25 Aug 2020 12:19:26 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38956) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kAbfP-0000h3-E1 for 42911@debbugs.gnu.org; Tue, 25 Aug 2020 12:19:23 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:41391) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kAbfK-0006wJ-6V; Tue, 25 Aug 2020 12:19:18 -0400 Received: from [176.228.60.248] (port=4789 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kAbfJ-0004Yy-Js; Tue, 25 Aug 2020 12:19:18 -0400 Date: Tue, 25 Aug 2020 19:19:02 +0300 Message-Id: <83pn7e4s22.fsf@gnu.org> From: Eli Zaretskii In-Reply-To: <874koqsoe6.fsf@gmail.com> (message from Tino Calancha on Tue, 25 Aug 2020 18:04:17 +0200) References: <87ft8kffru.fsf@gmail.com> <83lficfd1z.fsf@gnu.org> <874koqsoe6.fsf@gmail.com> X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) > From: Tino Calancha > Cc: uyennhi.qm@gmail.com, 42911@debbugs.gnu.org > Date: Tue, 25 Aug 2020 18:04:17 +0200 > > > Did you check that GC doesn't kick in when the "slow" saving happens? > `benchmark-run` lets you know teh number of GC and the time used by them > while running the form. The reported slowliness was happening even > without GC. > I was curious if someone runnning opensuse Tumbleweed was seeing something similar. > > I suspect this might be a problem of my OS (probably it was under heavy stress). > Now I am in vacation, and the computer seems more relax (same like me). I have also > upgraded the OS and got a new kernel. > > The following is data right now running this: > emacs -Q /tmp/save-slow-buffer.txt > ;; evaluate the following key binding: > > (global-set-key (kbd "") (lambda () (interactive) (print > (benchmark-run nil (save-buffer)) (current-buffer)))) > > ;; now push slowly several times > ;; Still seems a bit slow sometimes (~0.1 s) but it is acceptable for my needs: If it isn't GC, then my suggestion would be to run Emacs under 'perf' and see what the profile tells us. From unknown Sun Jun 22 04:16:15 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: Tino Calancha Subject: bug#42911: closed (Re: bug#42911: 28.0.50; write_region sometimes extremely very slow) Message-ID: References: <874kckvle0.fsf@calancha-pc.dy.bbexcite.jp> <87ft8kffru.fsf@gmail.com> X-Gnu-PR-Message: they-closed 42911 X-Gnu-PR-Package: emacs Reply-To: 42911@debbugs.gnu.org Date: Fri, 23 Jul 2021 20:14:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1627071242-27413-1" This is a multi-part message in MIME format... ------------=_1627071242-27413-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #42911: 28.0.50; write_region sometimes extremely very slow which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 42911@debbugs.gnu.org. --=20 42911: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D42911 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1627071242-27413-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 42911-done) by debbugs.gnu.org; 23 Jul 2021 20:13:57 +0000 Received: from localhost ([127.0.0.1]:44671 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1m71YS-00077h-Te for submit@debbugs.gnu.org; Fri, 23 Jul 2021 16:13:57 -0400 Received: from mail-ej1-f54.google.com ([209.85.218.54]:40795) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1m71YR-00077Q-PS for 42911-done@debbugs.gnu.org; Fri, 23 Jul 2021 16:13:56 -0400 Received: by mail-ej1-f54.google.com with SMTP id hq13so5373278ejc.7 for <42911-done@debbugs.gnu.org>; Fri, 23 Jul 2021 13:13:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=hlcOlymLwmaNlTTwVxGRiPXYbvluPr+xwkvthTsttMw=; b=eFn6LzhYB9/mOI+T1CKya6L2MtArqPaAcPNNK/l2IP7K+6Pmax1C4xfWy8TwuVfxry 7ecnJ+86IBzaxhvu0xqpeQ/ZC2Zeg65D8q2xwj4kxzkT/oabm7LFFFc8+mN9mqm/eFRD qr+US6yNJm2yv+a3675iKWtm2x9SGY0iN/YVydMROe2IPUKDwMRnzXqf4xvfH4ozMAPI U9fAHGA+d2r1+/QTQNxXVrJqr9GMCQP1OU7qIvrcA0NWZe+VpVzVZ3Kw9ktNqLGBIWIw IG2FFJMwfQ70AazwGTx/M5eGoWdUWgPdSfCpuE0fF2CrE9XnmJYx3K6B+0C9B6Xut+xQ QT2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=hlcOlymLwmaNlTTwVxGRiPXYbvluPr+xwkvthTsttMw=; b=dBWdT9p1sgcKl5c673gyTBMajdnpXcuURXuZ3J8Arhg+T1tKCHpwxE1BOedEtsxuvN Q96TqcJb6IrWH8kWaW4xPC4SC4xwOwPjQGu+FiqLab20Q7aC2e5umWLu3tdhEbaht3w5 C5ysExk9QpyTzdWACgnAUEjqctbT5UVM6h64sFNJRYE4pSSQaKt9tHQFYtj9A6wp4c0f WmSwcLCt11S6cN30yQRRQn7Is3qprgWJ36CNlu8mwdvZFCOVa6FhKW9FJYPaOGreqljr siUBsEjV3rX1kaObahAFRtQOzqnpUu58P32kaHUkJ4TzKl/IAnni0I9MA9xSk8HLwM4/ w/dQ== X-Gm-Message-State: AOAM530SghPsTkBRa7bBlKYxsU9nr3YbcyoHN2RMeK9mi0lt/XLULXJm 2LWziacG9HhQxnJ0oFIPBDU= X-Google-Smtp-Source: ABdhPJw0bkHf7/OzCB8IUmLEU0cG1a/o6i5eM3jIWpC544gxtBnr28o/Y/AN88TZfRBbWsX1YAsWdQ== X-Received: by 2002:a17:906:a3d8:: with SMTP id ca24mr1345748ejb.533.1627071229968; Fri, 23 Jul 2021 13:13:49 -0700 (PDT) Received: from calancha-pc.dy.bbexcite.jp ([31.7.242.222]) by smtp.gmail.com with ESMTPSA id u13sm11102478ejb.75.2021.07.23.13.13.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Jul 2021 13:13:49 -0700 (PDT) From: Tino Calancha To: 42911-done@debbugs.gnu.org Subject: Re: bug#42911: 28.0.50; write_region sometimes extremely very slow References: <87ft8kffru.fsf@gmail.com> Date: Fri, 23 Jul 2021 22:13:43 +0200 In-Reply-To: <87ft8kffru.fsf@gmail.com> (Tino Calancha's message of "Tue, 18 Aug 2020 11:46:13 +0200") Message-ID: <874kckvle0.fsf@calancha-pc.dy.bbexcite.jp> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 42911-done Cc: uyennhi.qm@gmail.com X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) Tino Calancha writes: > Recipe: > emacs -Q ~/save-buffer-slow.txt > ;; insert few characters and run > M-: (benchmark-run nil (save-buffer)) > > ;; Repeat several times: sometimes it takes a reasonable time, but > ;; in others it takes huge time > ;; (6-10 s to save a buffer with less that 50 characters) It has been almost a year since I reported this problem. Since that time, I haven't seen this issue anymore. Closing it. ------------=_1627071242-27413-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 18 Aug 2020 09:46:59 +0000 Received: from localhost ([127.0.0.1]:34035 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7yCp-0002Mf-E4 for submit@debbugs.gnu.org; Tue, 18 Aug 2020 05:46:59 -0400 Received: from lists.gnu.org ([209.51.188.17]:48394) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k7yCn-0002MX-Pt for submit@debbugs.gnu.org; Tue, 18 Aug 2020 05:46:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36022) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k7yCn-0005Pg-Hn for bug-gnu-emacs@gnu.org; Tue, 18 Aug 2020 05:46:57 -0400 Received: from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e]:40400) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k7yCl-0003k2-FY for bug-gnu-emacs@gnu.org; Tue, 18 Aug 2020 05:46:57 -0400 Received: by mail-wm1-x32e.google.com with SMTP id k20so16351635wmi.5 for ; Tue, 18 Aug 2020 02:46:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=oZguOnu+JOhR9Cfmdbv/3UkrT63Ls4alBLctFqY8xxY=; b=afBM9+xsfvf47Jd6LLolRg10TxBAd2TRYKhpOusev/5YvyR9HSYhJQ7FmbccSIofJp OHJ1NhdX9RBt5d3WjAnEIsI73zmBx0o+yLZmJbGFQV1HWbmPWC3DjbQ2Yap7ZrcZvwZ2 3XZu+5gSBrKi55xSRA1/sZk+jkNAqi2EZl3qC5J5zOcoNQEYG6/LpQwmufMeguFjMB1V W/OpFKWCIHAK1a960YFzxrPlDe2ZkBV1ka+deRsuSEygxTCH/8gXlAvMvxmTMGIVG+M7 a09aliUCJnhu5mVCW0S/QMD6XVdwfFSw+fv25PSjjB7FbiudGUyt44mATntMnD19yLu7 ZAww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=oZguOnu+JOhR9Cfmdbv/3UkrT63Ls4alBLctFqY8xxY=; b=S08XNY7zVhtPQ6DRXE4wfUGfjIKqUtUs8k/Ram73GkPQxvqIzvzcJQbcgSk++zu/Rk P59kYQTQ0n/JDyg5/DWF1J7cNtZb8/kLxJErnd3u30Fdr1l/B+8XVOAWWhuJDmQZsgzX 7lmjLePyLtujDdfciiD3J1tiCmc6NLvIDx/sFZQzhMNB34OFSCfUREKflqPEM9JxXR2Q oc2MkZ8EB9AYp2HHWuKnSd1jn7MqZTus3VdDNtaZLeZTP7hbwn0Tso/rbtXsB1dUJkOQ coPrXNcFBYVa6AH2A7cKSGb5tdBQAB2PppGyKIsSKgLVjWLZtfN+GChO+csYpvZN59eF 0PrA== X-Gm-Message-State: AOAM530LY0AEuT9GD/HltBhCitAznOguhTHz0Odw50id2V1MbXF4f8vK vK7mHR4E7FokQbeCdQ4e0s7dDSzN271KRg== X-Google-Smtp-Source: ABdhPJwyeW9RGj2hkNgZOld+v3CsjCRUxfc6ZUjeuCsnj90nh+E2gFkhFEi/w2VeRbA7/BqYqkrlgQ== X-Received: by 2002:a1c:de85:: with SMTP id v127mr19716605wmg.156.1597744012579; Tue, 18 Aug 2020 02:46:52 -0700 (PDT) Received: from localhost.example.com (nat1.prg.suse.com. [195.250.132.148]) by smtp.gmail.com with ESMTPSA id f12sm32739191wmc.46.2020.08.18.02.46.51 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Aug 2020 02:46:51 -0700 (PDT) From: Tino Calancha To: bug-gnu-emacs@gnu.org Subject: 28.0.50; write_region sometimes extremely very slow Date: Tue, 18 Aug 2020 11:46:13 +0200 Message-ID: <87ft8kffru.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=tino.calancha@gmail.com; helo=mail-wm1-x32e.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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Content preview: X-Debbugs-Cc: uyennhi.qm@gmail.com Verified in both emacs-27 and emacs-master Recipe: emacs -Q ~/save-buffer-slow.txt ; ; insert few characters and run M-: (benchmark-run nil (save-buffer)) Content analysis details: (1.1 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [209.51.188.17 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 1.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (tino.calancha[at]gmail.com) 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [209.51.188.17 listed in wl.mailspike.net] 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders 1.0 FREEMAIL_REPLY From and body contain different freemails 1.4 SPOOFED_FREEMAIL No description available. X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) X-Debbugs-Cc: uyennhi.qm@gmail.com Verified in both emacs-27 and emacs-master Recipe: emacs -Q ~/save-buffer-slow.txt ;; insert few characters and run M-: (benchmark-run nil (save-buffer)) ;; Repeat several times: sometimes it takes a reasonable time, but ;; in others it takes huge time ;; (6-10 s to save a buffer with less that 50 characters) It happens randomly. I have been observed this maybe 1 week. I don't recall to see this in my other laptio runinning Debian 10, so it might be OS related? In GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.21, c= airo version 1.16.0) of 2020-08-18 built on localhost.example.com Repository revision: 9905001e4b0c9dc0a90cefdd9530a90d07a17b99 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12008000 System Description: openSUSE Tumbleweed uname -a: Linux localhost.example.com 5.7.11-1-default #1 SMP Wed Jul 29 09= :32:21 UTC 2020 (5015994) x86_64 x86_64 x86_64 GNU/Linux Recent messages: You can run the command =E2=80=98erase-buffer=E2=80=99 with M-x era RET user-error: Beginning of history; no preceding item Saving file /home/calancha/save-buffer-slow.txt... Wrote /home/calancha/save-buffer-slow.txt (6.688615679 0 0.0) Saving file /home/calancha/save-buffer-slow.txt... Wrote /home/calancha/save-buffer-slow.txt (0.076871944 0 0.0) Saving file /home/calancha/save-buffer-slow.txt... Wrote /home/calancha/save-buffer-slow.txt (10.659738934 0 0.0) Configured using: 'configure --with-x-toolkit=3Dgtk3' Configured features: XPM JPEG TIFF GIF PNG CAIRO SOUND DBUS GSETTINGS GLIB NOTIFY INOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS PDUMPER Important settings: value of $LC_ALL:=20 value of $LC_COLLATE: en_US.UTF-8 value of $LC_CTYPE: en_US.UTF-8 value of $LC_MESSAGES: en_US.UTF-8 value of $LC_MONETARY: en_US.UTF-8 value of $LC_NUMERIC: en_US.UTF-8 value of $LC_TIME: en_US.UTF-8 value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=3Dibus locale-coding-system: utf-8-unix Major mode: Text Minor modes in effect: tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs text-property-search mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils cl-extra seq byte-opt gv bytecomp byte-compile cconv help-mode easymenu novice time-date subr-x cl-loaddefs cl-lib benchmark tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode elisp-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core term/tty-colors frame minibuffer cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite charscript charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote threads dbusbind inotify dynamic-setting system-font-setting font-render-setting cairo move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 47888 6325) (symbols 48 6098 1) (strings 32 16202 1003) (string-bytes 1 529670) (vectors 16 11018) (vector-slots 8 152947 12719) (floats 8 33 40) (intervals 56 201 0) (buffers 992 13)) ------------=_1627071242-27413-1--