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man: adjust description of CPUAccounting=

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For any user on a semi-recent kernel, effectively this setting is pointless.
We should deprecate it once not needed anymore for the v1 hierarchy. For
now, adjust the description.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2023-03-07 16:09:35 +01:00
parent dca031d229
commit 695e39dd63
3 changed files with 9 additions and 6 deletions
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10
man/systemd-system.conf.xml
View file

@ -444,11 +444,11 @@
<varname>IPAccounting=</varname>. See
<citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>
for details on the per-unit settings. <varname>DefaultTasksAccounting=</varname> defaults to yes,
<varname>DefaultMemoryAccounting=</varname> to
&MEMORY_ACCOUNTING_DEFAULT;. <varname>DefaultCPUAccounting=</varname> defaults to yes if enabling CPU
accounting doesn't require the CPU controller to be enabled (Linux 4.15+ using the unified hierarchy
for resource control), otherwise it defaults to no. The other three settings default to
no.</para></listitem>
<varname>DefaultMemoryAccounting=</varname> to &MEMORY_ACCOUNTING_DEFAULT;.
<varname>DefaultCPUAccounting=</varname> defaults to yes, but really has no effect if enabling CPU
accounting doesn't require the <option>cpu</option> controller to be enabled (Linux 4.15+ using the
unified hierarchy for resource control), otherwise it defaults to no. The other three settings
default to no.</para></listitem>
</varlistentry>
<varlistentry>

3
man/systemd.resource-control.xml
View file

@ -189,6 +189,9 @@ CPUWeight=20 DisableControllers=cpu / \
setting may be controlled with
<varname>DefaultCPUAccounting=</varname> in
<citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
<para>Under the unified cgroup hierarchy, CPU accounting is available for all units and this
setting has no effect.</para>
</listitem>
</varlistentry>

2
src/core/system.conf.in
View file

@ -51,7 +51,7 @@
#DefaultStartLimitIntervalSec=10s
#DefaultStartLimitBurst=5
#DefaultEnvironment=
#DefaultCPUAccounting=no
#DefaultCPUAccounting=yes
#DefaultIOAccounting=no
#DefaultIPAccounting=no
#DefaultMemoryAccounting={{ 'yes' if MEMORY_ACCOUNTING_DEFAULT else 'no' }}