From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: How to debug high CPU usage -> hang
Date: Thu, 12 Jan 2023 09:36:43 +0200 [thread overview]
Message-ID: <83v8lckxv8.fsf@gnu.org> (raw)
In-Reply-To: <tpn5ul$ms7$1@ciao.gmane.io> (message from Ken Goldman on Wed, 11 Jan 2023 15:24:53 -0500)
> From: Ken Goldman <kgoldman@us.ibm.com>
> Date: Wed, 11 Jan 2023 15:24:53 -0500
>
> On 1/10/2023 10:21 AM, Eli Zaretskii wrote:
> >> From: Ken Goldman <kgoldman@us.ibm.com>
> >> Date: Tue, 10 Jan 2023 09:58:58 -0500
> >>
> >> I'm editing in ReST mode, Windows 11, emacs 28.1.
> >>
> >> Occasionally, I want to jump (search, etc.) and the CPU usage jumps and
> >> emacs hangs. I suspect a font-lock issue.
> >>
> >> I fixed one by bisecting the text, then changing a table type. Now I
> >> have another.
> >>
> >> Is there a general way to debug?
> >
> > I can suggest profiling and/or attaching a debugger.
> >
>
> Attaching a debugger to the lisp major mode, or building emacs from
> source?
Attaching a debugger (GDB) to Emacs when its CPU usage jumps. This
requires Emacs built with debug info, or installing the separate debug
info from your distro.
next prev parent reply other threads:[~2023-01-12 7:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-10 14:58 How to debug high CPU usage -> hang Ken Goldman
2023-01-10 15:21 ` Eli Zaretskii
2023-01-11 20:24 ` Ken Goldman
2023-01-12 7:36 ` Eli Zaretskii [this message]
2023-01-12 10:36 ` Manuel Giraud
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