Re: Emacs memory usage

[Eli Zaretskii <eliz@gnu.org>]

> From: Arthur Miller <arthur.miller@live.com>
> Cc: eliz@gnu.org
> Date: Tue, 24 Nov 2020 15:39:53 +0100
> 
> I was hacking in image.c today, and was compiling Emacs several times;
> after some time I thought I saw some slowdown in term.
> 
> I can see pmem is on ~74%; and Emacs is eating about 25 gig of ram.
> 
> I haven't used Dired today at all.
> 
> I took some pmap dump; no idea if it can help, but maybe you would like
> to look at it anyway.

Thanks, but please report this to bug#43389, where we are collecting
these data points.  Also, please report the total size of the text of
all buffers and the list returned by garbage-collect, and the
information produced by malloc-info.

> 609:   /home/arthur/repos/emacs/src/emacs --fg-daemon
> 000055f5616bd000    232K r---- emacs
> 000055f5616f7000   2540K r-x-- emacs
> 000055f561972000    436K r---- emacs
> 000055f5619df000     40K r---- emacs
> 000055f5619e9000   3400K rw--- emacs
> 000055f561d3b000    608K rw---   [ anon ]
> 000055f56372f000 24865608K rw---   [ anon ]  <<<<<<<<<<<

The last line above is the main chunk of memory.  But there's not
enough detail here to understand how is that used.