From: Justin Van Winkle <justin.vanwinkle@gmail.com>
To: eliz@gnu.org
Cc: michael.albinus@gmx.de, 33194@debbugs.gnu.org
Subject: bug#33194: 26.1; Auto-revert mode causes emacs to use 100% cpu whenever a file is being written to in the home directory
Date: Tue, 30 Oct 2018 12:18:34 -0400 [thread overview]
Message-ID: <CA+gsFkJZTmJF5+f7j3296y_-6ry=x=M_2QGXJcULnQRbq0E=YA@mail.gmail.com> (raw)
In-Reply-To: <83pnvskl8b.fsf@gnu.org>
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To clarify, I was not writing to a file that was open in emacs. In fact,
emacs would use 100% cpu even with no files opened, so long as
global-auto-revert-mode was activated.
On Tue, Oct 30, 2018 at 2:22 AM Eli Zaretskii <eliz@gnu.org> wrote:
> > From: Justin Van Winkle <justin.vanwinkle@gmail.com>
> > Date: Mon, 29 Oct 2018 17:13:22 -0400
> > Cc: 33194@debbugs.gnu.org
> >
> > It was outside of emacs. SCP would trigger the cpu usage in emacs,
> rsync would not (oddly). Both "cat
> > /dev/zero > somefile" and "dd if=/dev/zero of=somefile" would trigger
> it if somefile was in my $HOME
> > directory, but none of these would trigger it if I did it in, for
> example, $HOME/Downloads/
>
> Isn't this expected? Auto-revert watches the directory of the file,
> so if a lot of changes happen in that directory, Emacs will get a lot
> of file-change notifications, and will need to process them.
>
> If you don't like this, customize auto-revert-use-notify to not use
> notifications. Or maybe there's some system-wide customization of
> inotify that determine the max frequency of inotify notifications when
> the changes are to the same file. (I don't know enough about inotify
> to say anything more specific, sorry.)
>
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next prev parent reply other threads:[~2018-10-30 16:18 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-29 16:01 bug#33194: 26.1; Auto-revert mode causes emacs to use 100% cpu whenever a file is being written to in the home directory Justin Van Winkle
2018-10-29 20:27 ` Michael Albinus
2018-10-29 21:13 ` Justin Van Winkle
2018-10-29 21:14 ` Justin Van Winkle
2018-10-30 6:21 ` Eli Zaretskii
2018-10-30 8:39 ` Michael Albinus
2018-10-30 10:41 ` Eli Zaretskii
2018-10-30 10:44 ` Michael Albinus
2018-10-30 12:28 ` Eli Zaretskii
2018-10-30 13:12 ` Michael Albinus
2018-10-30 16:18 ` Justin Van Winkle [this message]
2018-10-30 16:58 ` Michael Albinus
2018-10-30 17:02 ` Justin Van Winkle
2018-10-30 17:08 ` Michael Albinus
2018-10-30 17:09 ` Justin Van Winkle
2018-10-30 17:32 ` Eli Zaretskii
2018-10-30 18:54 ` Justin Van Winkle
2018-10-30 18:55 ` Justin Van Winkle
2018-11-03 10:57 ` Michael Albinus
2018-11-04 11:58 ` Michael Albinus
2018-11-05 16:28 ` Justin Van Winkle
2018-11-05 21:18 ` Michael Albinus
2019-01-04 12:56 ` Michael Albinus
2019-03-28 12:36 ` Michael Albinus
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