summaryrefslogtreecommitdiffstats
path: root/man/systemd.timer.xml
diff options
context:
space:
mode:
Diffstat (limited to 'man/systemd.timer.xml')
-rw-r--r--man/systemd.timer.xml8
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>