GNU bug report logs - #73046
29.4; Emacs 100% CPU usage for several seconds when opening dired buffer over TRAMP

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Package: emacs;

Reported by: "Suhail Singh" <suhailsingh247 <at> gmail.com>

Date: Thu, 5 Sep 2024 14:56:01 UTC

Severity: normal

Found in version 29.4

Fixed in version 31.1

Done: Michael Albinus <michael.albinus <at> gmx.de>

Bug is archived. No further changes may be made.

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: suhailsingh247 <at> gmail.com, 73046 <at> debbugs.gnu.org
Subject: bug#73046: 29.4; Emacs 100% CPU usage for several seconds when opening dired buffer over TRAMP
Date: Sun, 08 Sep 2024 17:26:40 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

Hi Eli,

>> Tramp is in a loop, waiting for results from the remote side. I don't
>> know how to implement this differently.
>
> What kind of loop?  Can you point me to the code which loops there?

The umbrella function is tramp-send-command. It sends the command to
remote via tramp-send-string, and waits then for a proper shell prompt
via tramp-wait-for-output. The latter function calls
tramp-wait-for-regexp, which loops using tramp-accept-process-output.

Best regards, Michael.
This bug report was last modified 295 days ago.

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