On Sun, 27 Oct 2024, at 13:45, Jeremie Courreges-Anglas wrote:
> I suspect you're not using a swap partition on your system.

Spot on, but I must be doing something else wrong, too.

I applied your patch to py-psutil, reinstalled it and even tried bumping the revision on glances to ensure I picked up the new build:

[..]
===>  Patching for py3-psutil-6.0.0p0
===>   Applying OpenBSD patch patch-psutil_arch_openbsd_mem_c
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|Index: patches/patch-psutil_arch_openbsd_mem_c
|===================================================================
|RCS file: patches/patch-psutil_arch_openbsd_mem_c
|diff -N patches/patch-psutil_arch_openbsd_mem_c
|--- /dev/null  1 Jan 1970 00:00:00 -0000
|+++ patches/patch-psutil_arch_openbsd_mem_c    27 Oct 2024 12:38:10 -0000
--------------------------
(Creating file patches/patch-psutil_arch_openbsd_mem_c...)
Patching file patches/patch-psutil_arch_openbsd_mem_c using Plan A...
Empty context always matches.
Hunk #1 succeeded at 1.
done
[..]

$ pkg_info -v glances | grep '@depend'
@depend devel/py-future,python3:py3-future-*:py3-future-1.0.0
@depend lang/python/3,-main:python->=3.11,<3.12:python-3.11.10p1
@depend sysutils/py-psutil,python3:py3-psutil-*:py3-psutil-6.0.0p0
@depend textproc/py-defusedxml,python3:py3-defusedxml-*:py3-defusedxml-0.7.1p4
@depend www/py-bottle,python3:py3-bottle-*:py3-bottle-0.12.23p1

Normal glances invocation and this minimal test case still fails:

$ python3.11
Python 3.11.10 (main, Oct 14 2024, 18:07:48) [Clang 16.0.6 ] on openbsd7
Type "help", "copyright", "credits" or "license" for more information.
>>> import psutil
>>> psutil.swap_memory()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.11/site-packages/psutil/__init__.py", line 2027, in swap_memory
    return _psplatform.swap_memory()
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/psutil/_psbsd.py", line 231, in swap_memory
    total, used, free, sin, sout = cext.swap_mem()
                                   ^^^^^^^^^^^^^^^
OSError: [Errno 0] Error

$ pkg_info py3-psutil
Information for inst:py3-psutil-6.0.0p0
[..]