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localhost ([127.0.0.1]:40224 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pO6jY-0002uQ-Sd for submit@debbugs.gnu.org; Fri, 03 Feb 2023 19:48:49 -0500 Received: from netyu.xyz ([152.44.41.246]:41302 helo=mail.netyu.xyz) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pO6jU-0002uG-DS for 61258@debbugs.gnu.org; Fri, 03 Feb 2023 19:48:46 -0500 Received: from smtpclient.apple ( [223.94.109.230]) by netyu.xyz (OpenSMTPD) with ESMTPSA id 736ab3d2 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Sat, 4 Feb 2023 00:48:42 +0000 (UTC) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) Subject: Re: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use From: Ruijie Yu In-Reply-To: Date: Sat, 4 Feb 2023 08:48:00 +0800 Message-Id: References: To: "J. Scott Berg" X-Mailer: iPhone Mail (20D47) X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 61258 Cc: 61258@debbugs.gnu.org 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: 0.0 (/) On Feb 4, 2023, at 02:53, J. Scott Berg wrote: >=20 > =EF=BB=BFEmacs built with pgtk. Editing in f90 mode, though I don't think t= his is > important. Display is WSLg. Severe input lag, to the point off becoming > unusable, gets worse with more frames (or just time?). Heavy CPU usage by > emacs while doing anything. Problem not seen when not built with pgtk. Hello, Last time I checked, PGTK only aims to support Wayland -- while incidentally= also *usually but not always* work in X -- and WSLg is an X server/client t= hing. There is even a warning shown when I run my PGTK build on an X DE. S= o, intuitively, if my information is correct and up to date, you are not exp= ected to run PGTK build on WSLg and you would need to disable the PGTK flag d= uring config.=20 > In GNU Emacs 29.0.60 (build 1, x86_64-pc-linux-gnu, GTK+ Version > 3.24.36, cairo version 1.17.6) of 2023-02-01 built on LAD-158343 > Repository revision: f91bf9df892417a2e4add6d0d77ac5123a579bfc > Repository branch: emacs-29 > System Description: Arch Linux >=20 > Configured using: > 'configure --prefix=3D/home/jsberg/opt/emacs-230201-f91bf9df892 > --with-pgtk --with-native-compilation' >=20 > Configured features: > ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG > JSON LCMS2 LIBOTF LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY > PDUMPER PGTK PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF > TOOLKIT_SCROLL_BARS WEBP XIM GTK3 ZLIB Best, RY= From debbugs-submit-bounces@debbugs.gnu.org Sat Feb 04 03:47:40 2023 Received: (at 61258) by debbugs.gnu.org; 4 Feb 2023 08:47:40 +0000 Received: from localhost ([127.0.0.1]:40660 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pOECx-00028O-Vh for submit@debbugs.gnu.org; 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Hermes SMTP Server) with ESMTPA ID 10e5d37c7c957ca93578099441a408a7; Sat, 04 Feb 2023 08:45:28 +0000 (UTC) From: Po Lu To: "J. Scott Berg" Subject: Re: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use In-Reply-To: (J. Scott Berg's message of "Fri, 3 Feb 2023 18:47:15 +0000") References: Date: Sat, 04 Feb 2023 16:45:22 +0800 Message-ID: <87v8kh95ul.fsf@yahoo.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.21161 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 561 X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 61258 Cc: 61258@debbugs.gnu.org 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 (-) "J. Scott Berg" writes: > Emacs built with pgtk. Editing in f90 mode, though I don't think this is > important. Display is WSLg. Severe input lag, to the point off becoming > unusable, gets worse with more frames (or just time?). Heavy CPU usage by > emacs while doing anything. Problem not seen when not built with pgtk. I cannot reproduce this on GNU/Linux. We are not going to support MS-Windows by means other than the W32 and Cygwin builds, so the chances of this being fixed by us is low. However, patches are always welcome. 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pgtk build from git, WSLg, slow, heavy cpu use To: jsberg-bnl@outlook.com, 61258@debbugs.gnu.org Content-Type: multipart/alternative; boundary="0000000000008116ac0601e3b24a" X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 61258 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 (-) --0000000000008116ac0601e3b24a Content-Type: text/plain; charset="UTF-8" > Emacs built with pgtk. Editing in f90 mode, though I don't think this is > important. Display is WSLg. Severe input lag, to the point off becoming > unusable, gets worse with more frames (or just time?). Heavy CPU usage by > emacs while doing anything. Problem not seen when not built with pgtk. I'm observing a similar high CPU usage problem with Emacs 29.1 on WSL1 and X server, not with WSLg. As suggested by https://www.reddit.com/r/emacs/comments/urivlg/high_cpu_usage_in_wsl_with_emacs_29050/ reverting https://github.com/emacs-mirror/emacs/commit/fa52782f5c4eaef7138534766dfc8a29465785b2 solves the problem for me. --0000000000008116ac0601e3b24a Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
> Emacs built with pgtk. Editing in f90 mode, though I = don't think this is
> important. Display is WSLg. Severe input la= g, to the point off becoming
> unusable, gets worse with more frames = (or just time?). Heavy CPU usage by
> emacs while doing anything. Pro= blem not seen when not built with pgtk.

I'm observing a similar = high CPU usage problem with Emacs 29.1 on WSL1 and X server, not with WSLg.=
As suggested by https://www.reddit.com/r/emacs/= comments/urivlg/high_cpu_usage_in_wsl_with_emacs_29050/
reverting https://github.com/emacs-mirror/emacs/commit/fa52782f5= c4eaef7138534766dfc8a29465785b2 solves the problem for me.
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Hermes SMTP Server) with ESMTPA ID 53477fdad6f58d50b5fc6d1c203d5578; Wed, 02 Aug 2023 00:17:39 +0000 (UTC) From: Po Lu To: Fujii Hironori Subject: Re: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use In-Reply-To: (Fujii Hironori's message of "Wed, 2 Aug 2023 07:01:27 +0900") References: Date: Wed, 02 Aug 2023 08:17:35 +0800 Message-ID: <87a5vacn6o.fsf@yahoo.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Mailer: WebService/1.1.21685 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Content-Length: 634 X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 61258 Cc: 61258@debbugs.gnu.org, jsberg-bnl@outlook.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 (-) Fujii Hironori writes: > I'm observing a similar high CPU usage problem with Emacs 29.1 on WSL1 > and X server, not with WSLg. As suggested by > https://www.reddit.com/r/emacs/comments/urivlg/high_cpu_usage_in_wsl_with_emacs_29050/ > reverting > https://github.com/emacs-mirror/emacs/commit/fa52782f5c4eaef7138534766dfc8a29465785b2 > solves the problem for me. Since WSL1 does not emulate real Linux kernel, and that code has proven itself hassle-free for GNU/Linux users over the period of a year, this problem is of very low importance. Please consider using the W32 or Cygwin configurations instead. From debbugs-submit-bounces@debbugs.gnu.org Wed Aug 02 07:49:44 2023 Received: (at 61258) by debbugs.gnu.org; 2 Aug 2023 11:49:44 +0000 Received: from localhost ([127.0.0.1]:48987 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qRAMK-0002ph-9A for submit@debbugs.gnu.org; Wed, 02 Aug 2023 07:49:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51054) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qRAMJ-0002pU-3Q for 61258@debbugs.gnu.org; Wed, 02 Aug 2023 07:49:43 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qRAMD-0002Tv-QR; Wed, 02 Aug 2023 07:49:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=6V4FgfYaFLdD9s/aoJBKmc3dwlGysQNMU3l7Ztp9+tE=; b=hs/JNSbEXE06 n4vPXp1cBwcl4R86tqq6H6stdiymDvolc0GuIt3xGgtF2qYnsbvJBSikG+rovI0Tkdej+lwxoHZKa z255gjxFXfFqjXGVHERcE34uwfR/aw6vwExLbr1sAaCvJYw8Tc37IDSqpNn1mc+TYZeyyVUuSB0Zu ydGfqbHMc71PMxCzTeB4EQO6UGG1XDP3BqRSF798CS4/gExmqLOH3YYgbRCGUcuq+lHzGHLxpunWx E7QN/Xxn7i9fA2egEYONXTjjvTxAfIBiAVvYNWTe0S68KOeWYj5n+WxAcY40SjUsi4FbCL65JvTf1 MRIBxvlDxXhS/kqyoH3PkQ==; Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qRAMD-0004mg-A5; Wed, 02 Aug 2023 07:49:37 -0400 Date: Wed, 02 Aug 2023 14:49:44 +0300 Message-Id: <83v8dxzmsn.fsf@gnu.org> From: Eli Zaretskii To: Fujii Hironori In-Reply-To: (message from Fujii Hironori on Wed, 2 Aug 2023 07:01:27 +0900) Subject: Re: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use References: X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 61258 Cc: 61258@debbugs.gnu.org, jsberg-bnl@outlook.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: -3.3 (---) > From: Fujii Hironori > Date: Wed, 2 Aug 2023 07:01:27 +0900 > > > Emacs built with pgtk. Editing in f90 mode, though I don't think this is > > important. Display is WSLg. Severe input lag, to the point off becoming > > unusable, gets worse with more frames (or just time?). Heavy CPU usage by > > emacs while doing anything. Problem not seen when not built with pgtk. > > I'm observing a similar high CPU usage problem with Emacs 29.1 on WSL1 and X server, not with > WSLg. > As suggested by > https://www.reddit.com/r/emacs/comments/urivlg/high_cpu_usage_in_wsl_with_emacs_29050/ > reverting > https://github.com/emacs-mirror/emacs/commit/fa52782f5c4eaef7138534766dfc8a29465785b2 > solves the problem for me. Thanks, but to do anything with this report we'd need at least to understand what is causing the high CPU usage. The linked Reddit post has a profile, but only before removing those 4 lines. Perhaps comparing two profiles, before and after the change, while doing the same stuff in the same build of Emacs, would give us some ideas. 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Scott Berg" To: Eli Zaretskii , Fujii Hironori Subject: RE: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use Thread-Topic: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use Thread-Index: AQHZxMPQmnffMcffbEuHTNWqaBqqGa/W5VCRgAAR4qA= Date: Wed, 2 Aug 2023 13:00:08 +0000 Message-ID: References: <83v8dxzmsn.fsf@gnu.org> In-Reply-To: <83v8dxzmsn.fsf@gnu.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-tmn: [YLmQGiE26wNlvgPP6TuDvrepYGozojrhE5+7jwnLYZM=] x-ms-publictraffictype: Email x-ms-traffictypediagnostic: PH8PR14MB6016:EE_|SJ0PR14MB4315:EE_ x-ms-office365-filtering-correlation-id: 92023467-0d44-44ac-06c1-08db93586677 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?ZDZyelRrMmJqdHVwdVVNMCtmT3FJczl4b2RnQTVpZ3lWSStlNmlyY2QvYW1a?= =?utf-8?B?RzVjNlloRXRKYW1BaEVzaGx0R05BL0QvY0NOMGVjTzZSSk1kNUtlZER6Q3J2?= =?utf-8?B?OVRZT2MzaG9TazNISXZod3BBY0JFLzZYNWdiWXpseVY1SG9YaVBCbDduVDVv?= =?utf-8?B?V0Q0RzFMQmdOZ2NhNnJxVHh2NEJWTDF1N0VCYmpvcld3UFFXaXZmTE5INUh6?= =?utf-8?B?WCsvOFdmdjkvZ2RxT3JXekFxNFZEOG9RWjJ3a3JxSDcyeXlWU1RVZDFzci95?= =?utf-8?B?OGJTMUhkNUNCYnp3TFlCTUpvTGxkeU9lcXVEY01wZGhFU0Q2ckkrcGtEenZp?= =?utf-8?B?WFdOV2FCNGZJU04vU1ZlTCtpeHJMa0g4TnVmdkIxNFNWVnd0WURWSGNhSm9y?= =?utf-8?B?bTloYVNGZFBZRk9UdGJ6NExxMGJwQ2Nub0kwQS8yQWdwSlA0aVVBU2h5ZW14?= =?utf-8?B?b0cvVnBGRGRhTUpUL3hKM3ZyVHE4UHdRaTkyc1UxaHBWeTdmbWV1RWJiNjA4?= =?utf-8?B?NkhoQkVKTnQvZExtdFdyOG5TUGpIc3FselZaZGlvdnBFYmI4WjBHRnJ4cjVE?= =?utf-8?B?S1gxR0Z4bmNBNm81OUM5b2RkMUxrUExDZVpDTDhxWGpINWZFdm04VjFCNlE1?= =?utf-8?B?aUhGSTVua3ladGg2K0FFQ2tRelc5T21uSG5HNkRLQlBpSlZKSlFKa3VQMlVW?= =?utf-8?B?WU9UanordjhyYXdNNklVY0c5cFlEM0hpTWE5SlcrZkFjYUJURXhjYTh2TzRD?= =?utf-8?B?Z1hqT0sraFpSMG01Yk9PRzhDV1oyb0t2a2xhVmFSa09qREk1UWdZd0Mvd1hS?= =?utf-8?B?bExTRE5Wa1JXa1htQ2RBa3pRRmZUbHJlUzJTZVhMWEowdThidFd2cEpkRW5l?= =?utf-8?B?Znhad1hDTjdjY1dnZ1dqbVVkMkUxZWdWcCtOYW1SNUdlMURXVmRJMlIzYmZu?= =?utf-8?B?NHB4dTl0cVhoMDZuR2kvS29XOG14MHE0VlBTN2dHSmlJZlhkVHQ5NFN4WERi?= =?utf-8?B?cHJsTWRqWDFLYzVrTkh2YTlyN0RkRlE5VUtsZTkrbFUvWWZQU1I5a0VEck5L?= =?utf-8?B?QnlpalBTRFc5T0lnTS8vWmhhYTJHN2JaTUh5OHJNc29wZ0R0S3Rvc2ZMQXZq?= =?utf-8?B?dFBmcDcyZ1hSQUFxdGJ1YXJndmFJdXRLNlVrUEdyL04ycEFRS1h6eVVISzl3?= =?utf-8?B?Tm8rck5rK1hjV3hxWGZZK0MydUt6cWI1aTZSMWJ6NnRhblMyN0tpdWFBMm52?= =?utf-8?B?NzczbGo4aFpKdjVtS1gvQlRldVhsblBaR0N3cGZNVG5GY1RCcHJFQUY3VUcx?= =?utf-8?B?WVpRRUJYamplTVMrS094ZnpscFU3TldCdnpuSjB3TjhIQk5jd251VXJ5Q3pt?= =?utf-8?B?S1VINThyRTN4Y25KcW5qQWl1U1dOR0EzbFNwekZ6MlI1WU01ZzdQclhKUU5E?= =?utf-8?B?eGM3MTBMaG84SEY3N21JUStjd3R5N1RlOEZBckdCK1R2M2tVUTJIS09VS0hr?= =?utf-8?B?UHRIQkNxNk1FSXY5ejAwRTZRMmhlc3B2c3ZqemhZUW5MNGZSeHE3Z01Ta1pn?= =?utf-8?B?YkpFeWRlSWNKdEhabHRNSkdGN2ZBdnlIN3lsS2gxbnNrSklHN0owczZYTVRE?= =?utf-8?B?YW5UdGlsL0NkZlNEeFRuSGcwZWRKQmc9PQ==?= Content-Type: text/plain; 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pgtk build from git, WSLg, slow, heavy cpu use To: "61258@debbugs.gnu.org" <61258@debbugs.gnu.org> Content-Type: multipart/alternative; boundary="000000000000cda6f50601fa50e2" X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 61258 Cc: Eli Zaretskii , "J. Scott Berg" 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 (-) --000000000000cda6f50601fa50e2 Content-Type: text/plain; charset="UTF-8" I don't understand the problem, haven't looked into it. But, I'd like to share with you two workarounds I found out. Workaround #2: Setting a env var EMACS_IGNORE_TIMERFD=1 Workaround #3: Applying the following patch diff --git a/src/atimer.c b/src/atimer.c index d07cdb82b7a..e6b0af5c01a 100644 --- a/src/atimer.c +++ b/src/atimer.c @@ -317,7 +317,7 @@ set_alarm (void) because the timerfd notifications aren't delivered while Emacs is busy, which prevents things like the hourglass pointer from being displayed reliably (bug#19776). */ -# ifdef CYGWIN +# if 1 // def CYGWIN if (exit) return; # endif It seems to be related to the following bugs: #34618 - 26.1.92; timerfd interface causes slowdown on Cygwin https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34618 #51734 - 29.0.50; got slow https://debbugs.gnu.org/cgi/bugreport.cgi?bug=51734 --000000000000cda6f50601fa50e2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I don't understand the problem, haven't looked int= o it.
But, I'd like to share with you two workarounds I found out.
Workaround #2: Setting a env var EMACS_IGNORE_TIMERFD=3D1

Work= around #3: Applying the following patch

diff --git a/src/atimer.c b/= src/atimer.c
index d07cdb82b7a..e6b0af5c01a 100644
--- a/src/atimer.c=
+++ b/src/atimer.c
@@ -317,7 +317,7 @@ set_alarm (void)
=C2=A0 = =C2=A0 =C2=A0 because the timerfd notifications aren't delivered while<= br>=C2=A0 =C2=A0 =C2=A0 Emacs is busy, which prevents things like the hour= glass
=C2=A0 =C2=A0 =C2=A0 pointer from being displayed reliably (bug#1= 9776). */
-# ifdef CYGWIN
+# if 1 // def CYGWIN
=C2=A0 =C2=A0if (= exit)
=C2=A0 =C2=A0 =C2=A0return;
=C2=A0# endif


It seems = to be related to the following bugs:

#34618 - 26.1.92; timerfd inter= face causes slowdown on Cygwin
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D34= 618

#51734 - 29.0.50; got slow
https://debbugs.gnu.org/cgi/bugreport.c= gi?bug=3D51734
--000000000000cda6f50601fa50e2--