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Commit Graph

14 Commits

Author SHA1 Message Date
Zbigniew Jędrzejewski-Szmek
b83a59f8a7 man: document all the new paths 2024-03-07 19:14:36 +01:00
David Tardon
eea10b26f7 man: use same version in public and system ident. 2023-12-25 15:51:47 +01:00
David Tardon
13a69c120b man: use <simplelist> for 'See also' sections
This is just a slight markup improvement; there should be no difference
in rendering.
2023-12-23 08:28:57 +01:00
Zbigniew Jędrzejewski-Szmek
73e97bb064 man: use <simplelist> for file lists in synopsis
With <para><filename>…</filename></para>, we get a separate "paragraph" for
each line, i.e. entries separated by empty lines. This uses up a lot of space
and was only done because docbook makes it hard to insert a newline. In some
other places, <literallayout> was used, but then we cannot indent the source
text (because the whitespace would end up in the final page). We can get the
desired result with <simplelist>.

With <simplelist> the items are indented in roff output, but not in html
output. In some places this looks better then no indentation, and in others it
would probably be better to have no indent. But this is a minor issue and we
cannot control that.

(I didn't convert all spots. There's a bunch of other man pages which have two
lines, e.g. an executable and service file, and it doesn't matter there so
much.)
2023-12-15 14:27:28 +01:00
Abderrahim Kitouni
aefdc1124f man: update version information
As I noticed a lot of missing information when trying to implement checking
for missing info. I reimplemented the version information script to be more
robust, and here is the result.

Follow up to ec07c3c80b
2023-09-19 00:37:37 +01:00
Abderrahim Kitouni
ec07c3c80b man: add version info
This tries to add information about when each option was added. It goes
back to version 183.

The version info is included from a separate file to allow generating it,
which would allow more control on the formatting of the final output.
2023-08-29 14:07:24 +01:00
Anita Zhang
cb5ce676d9 oomd: check mem free and swap free before doing a swap-based kill
https://bugzilla.redhat.com/show_bug.cgi?id=1974763
2021-06-30 03:51:05 -07:00
Anita Zhang
685b0985f0 oomd: threshold swap kill candidates to usages of more than 5%
In some instances, particularly with swap on zram, swap used will be high
while there is still a lot of memory available. FB OOMD handles this by
thresholding kills to X% of total swap usage. Let's do the same thing here.

Anecdotally with these thresholds and my laptop which is exclusively swap
on zram I can sit at 0K / 4G swap free with most of memory free and
systemd-oomd doesn't kill anything.

Partially addresses aggressive kill behavior from
https://bugzilla.redhat.com/show_bug.cgi?id=1941170
2021-04-05 02:04:49 -07:00
Anita Zhang
a858355e4a oomd: force DefaultMemoryPressureDurationSec= to be greater than or equal 1 sec 2021-04-01 19:53:42 -07:00
Lennart Poettering
d06e7fb532 oomd: increase accuracy of SwapUsedLimit= to permyriads too
oomd.conf has two parameters with fractionals: SwapUsedLimit= and
DefaultMemoryPressureLimit=, but one accepts permyriads, the other only
percentages, for no apparent reason. One carries the "Percent" in the
name, the other doesn't.

Let's clean this up: always accept permyriads, and drop the suffix,
given that it is misleading.

I figure we should internally try to focus on scaling everything
relative to UINT32_MAX, and if that isn't in the cards at least 10000,
but never permille nor percent unless there's a really really good
reason for it (e.g. interface defined by someone else).
2021-02-18 22:40:47 +01:00
Anita Zhang
0a9f93443b oom: rework *MemoryPressureLimit= properties to have 1/10000 precision
Requested in
https://github.com/systemd/systemd/pull/15206#discussion_r505506657,
preserve the full granularity for memory pressure limits (permyriad)
instead of capping out at percent.
2021-02-02 17:52:48 -08:00
Anita Zhang
c20aa7b171 oom: make memory pressure duration configurable through oomd.conf 2021-01-24 01:59:03 -08:00
Yu Watanabe
db9ecf0501 license: LGPL-2.1+ -> LGPL-2.1-or-later 2020-11-09 13:23:58 +09:00
Anita Zhang
cf3e57884e man: document systemd-oomd and related items 2020-10-09 02:40:19 -07:00