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| author | Lennart Poettering <lennart@poettering.net> | 2020-01-16 16:47:56 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2020-01-17 10:08:23 +0100 |
| commit | d524094b6b3f968141af1a5a946be8e541dccbf5 (patch) | |
| tree | 93cda8b40489df7ed22fdcec6724dbec4103ea86 /man/systemd.timer.xml | |
| parent | man: mention that Before= doesn't work for device units (diff) | |
| download | systemd-d524094b6b3f968141af1a5a946be8e541dccbf5.tar.xz systemd-d524094b6b3f968141af1a5a946be8e541dccbf5.zip | |
man: underline that AccuracySec= is about coalescing timer events, nothing else
Fixes: #13328
Diffstat (limited to 'man/systemd.timer.xml')
| -rw-r--r-- | man/systemd.timer.xml | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/man/systemd.timer.xml b/man/systemd.timer.xml index ebf6de4eb2..fca11b2d04 100644 --- a/man/systemd.timer.xml +++ b/man/systemd.timer.xml @@ -225,7 +225,13 @@ <citerefentry><refentrytitle>prctl</refentrytitle><manvolnum>2</manvolnum></citerefentry> for details. To optimize power consumption, make sure to set this value as high as possible and as low as - necessary.</para></listitem> + necessary.</para> + + <para>Note that this setting is primarily a power saving option that allows coalescing CPU + wake-ups. It should not be confused with <varname>RandomizedDelaySec=</varname> (see below) which + adds a random value to the time the timer shall elapse next and whose purpose is the opposite: to + stretch elapsing of timer events over a longer period to reduce workload spikes. For further details + and explanations and how both settings play together, see below.</para></listitem> </varlistentry> <varlistentry> |