GNU bug report logs - #61258
29.0.60; pgtk build from git, WSLg, slow, heavy cpu use

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Message #17 received at 61258 <at> debbugs.gnu.org (full text, mbox):

From: Fujii Hironori <fujii.hironori <at> gmail.com>
To: jsberg-bnl <at> outlook.com, 61258 <at> debbugs.gnu.org
Subject: bug#61258: 29.0.60; pgtk build from git, WSLg, slow, heavy cpu use
Date: Wed, 2 Aug 2023 07:01:27 +0900

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> 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.

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