GNU bug report logs - #46881
28.0.50; pdumper dumping causes way too many syscalls

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Package: emacs;

Reported by: Pip Cet <pipcet <at> gmail.com>

Date: Tue, 2 Mar 2021 20:35:01 UTC

Severity: normal

Found in version 28.0.50

Done: Mattias Engdegård <mattiase <at> acm.org>

Bug is archived. No further changes may be made.

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Pip Cet <pipcet <at> gmail.com>
Cc: 46881 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>, Daniel Colascione <dancol <at> dancol.org>, Paul Eggert <eggert <at> cs.ucla.edu>
Subject: bug#46881: 28.0.50; pdumper dumping causes way too many syscalls
Date: Wed, 03 Mar 2021 16:09:15 +0100

Pip Cet <pipcet <at> gmail.com> writes:

> Since debuggability is such a concern, we probably shouldn't leak the
> buffer memory. Revised patch attached. (This patch also removes the
> lseek() syscalls; while not quite as numerous as the read() ones,
> those did clutter up straces here).

I've tried the patch on a couple of systems here, and the resulting
Emacs works fine (as expected), and the pdumping is significantly faster
here, too.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
This bug report was last modified 4 years and 34 days ago.

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