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Subject: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use
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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: "J. Scott Berg" <jsberg-bnl@HIDDEN>
Subject: bug#61258: Acknowledgement (29.0.60; pgtk build from git, WSLg,
 slow, heavy cpu use)
Message-ID: <handler.61258.B.167545034831912.ack <at> debbugs.gnu.org>
References: <PH8PR14MB6016E602FE2BE968DFDB8D4E9AD79@HIDDEN>
X-Gnu-PR-Message: ack 61258
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Reply-To: 61258 <at> debbugs.gnu.org
Date: Fri, 03 Feb 2023 18:53:02 +0000

Thank you for filing a new bug report with debbugs.gnu.org.

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has been received.

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--=20
61258: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D61258
GNU Bug Tracking System
Contact help-debbugs@HIDDEN with problems

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use
Resent-From: Ruijie Yu <ruijie@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
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Resent-Date: Sat, 04 Feb 2023 00:49:01 +0000
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Cc: 61258 <at> debbugs.gnu.org
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From: Ruijie Yu <ruijie@HIDDEN>
In-Reply-To: <PH8PR14MB6016E602FE2BE968DFDB8D4E9AD79@HIDDEN>
Date: Sat, 4 Feb 2023 08:48:00 +0800
Message-Id: <F702331D-30E1-411A-A86C-12B86B87CFAC@HIDDEN>
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On Feb 4, 2023, at 02:53, J. Scott Berg <jsberg-bnl@HIDDEN> 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=

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use
Resent-From: Po Lu <luangruo@HIDDEN>
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To: "J. Scott Berg" <jsberg-bnl@HIDDEN>
Cc: 61258 <at> debbugs.gnu.org
From: Po Lu <luangruo@HIDDEN>
In-Reply-To: <PH8PR14MB6016E602FE2BE968DFDB8D4E9AD79@HIDDEN>
 (J. Scott Berg's message of "Fri, 3 Feb 2023 18:47:15 +0000")
References: <PH8PR14MB6016E602FE2BE968DFDB8D4E9AD79@HIDDEN>
Date: Sat, 04 Feb 2023 16:45:22 +0800
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"J. Scott Berg" <jsberg-bnl@HIDDEN> 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.

Last modified: Sat, 4 Feb 2023 09:00:01 UTC

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Copyright (C) 1999 Darren O. Benham, 1997 nCipher Corporation Ltd, 1994-97 Ian Jackson.