also include time units. Example:
"OnBootSec=5h 30min" means 5 hours and
30 minutes after boot-up. For details
- about the syntax of time spans see
+ about the syntax of time spans, see
<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
<para>If a timer configured with
assignments will have no
effect.</para>
- <para>Note that timers are not
- necessarily expired at the precise
+ <para>Note that timers do not
+ necessarily expire at the precise
time configured with these settings,
as they are subject to the
<varname>AccuracySec=</varname>
event expressions. See
<citerefentry><refentrytitle>systemd.time</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for more information on the syntax of
- calendar event expressions. Otherwise
+ calendar event expressions. Otherwise,
the semantics are similar to
<varname>OnActiveSec=</varname> and
related settings.</para>
- <para>Note that timers are not
- necessarily expired at the precise
+ <para>Note that timers do not
+ necessarily expire at the precise
time configured with this setting,
as it is subject to the
<varname>AccuracySec=</varname>
<listitem><para>Specify the accuracy
the timer shall elapse with. Defaults
to 1min. The timer is scheduled to
- expire within a time window starting
+ elapse within a time window starting
with the time specified in
<varname>OnCalendar=</varname>,
<varname>OnActiveSec=</varname>,
<varname>OnUnitInactiveSec=</varname>
and ending the time configured with
<varname>AccuracySec=</varname>
- later. Within this time window the
+ later. Within this time window, the
expiry time will be placed at a
host-specific, randomized but stable
- position, that is synchronized between
+ position that is synchronized between
all local timer units. This is done in
order to distribute the wake-up time
in networked installations, as well as
optimizing power consumption to
suppress unnecessary CPU wake-ups. To
- get best accuracy set this option to
+ get best accuracy, set this option to
1us. Note that the timer is still
subject to the timer slack configured
via
setting. See
<citerefentry><refentrytitle>prctl</refentrytitle><manvolnum>2</manvolnum></citerefentry>
for details. To optimize power
- consumption make sure to set this
+ consumption, make sure to set this
value as high as possible and as low
as necessary.</para></listitem>
</varlistentry>