bug#73046: 29.4; Emacs 100% CPU usage for several seconds when opening dired buffer over TRAMP

[Michael Albinus]

Eli Zaretskii <eliz@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.