diff options
Diffstat (limited to 'man/systemd-sleep.conf.xml')
| -rw-r--r-- | man/systemd-sleep.conf.xml | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/man/systemd-sleep.conf.xml b/man/systemd-sleep.conf.xml index 0c01ecf3ff..2f04ce84a1 100644 --- a/man/systemd-sleep.conf.xml +++ b/man/systemd-sleep.conf.xml @@ -78,9 +78,20 @@ <term>suspend-then-hibernate</term> <listitem><para>A low power state where the system is initially suspended - (the state is stored in RAM). If not interrupted within the delay specified by - <command>HibernateDelaySec=</command>, the system will be woken using an RTC - alarm and hibernated (the state is then stored on disk). + (the state is stored in RAM) and then hibernated based on battery percentage + capacity. If the current battery capacity is higher than 5%, the system goes + back to suspend for interval calculated using battery disharge rate per hour. + Battery discharge rate per hour is stored in a file which is created after + initial suspend-resume cycle. The value is calculated using battery decreasing + charge level a timespan. In case of manual wakeup before RTC alarm, the timespan + is the duration for which system was suspended. If the file does not exist or + has invalid value, initial suspend duration is set to + <command>HibernateDelaySec=</command>. + After wakeup via an RTC alarm, the battery discharge rate per hour is again + estimated. If the current battery charge level is equal to or less than 5%, + the system will be hibernated (the state is then stored on disk) else the + system goes back to suspend for the amount of time it would take to fully + discharge the battery minus 30 minutes. </para></listitem> </varlistentry> @@ -173,9 +184,9 @@ </varlistentry> <varlistentry> <term><varname>HibernateDelaySec=</varname></term> - - <listitem><para>The amount of time the system spends in suspend mode before the system is - automatically put into hibernate mode, when using + <listitem><para>The amount of time the system spends in suspend mode + before the RTC alarm wakes the system, before the battery discharge rate + can be estimated and used instead to calculate the suspension interval. <citerefentry><refentrytitle>systemd-suspend-then-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. Defaults to 2h.</para></listitem> </varlistentry> |