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| author | Lennart Poettering <lennart@poettering.net> | 2019-03-18 17:47:13 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2019-03-19 15:55:08 +0100 |
| commit | 2b60d7ea54d92ec0552f15f5725e16f697a628c3 (patch) | |
| tree | b87948207463c54a29e6193b6b8849f5e613284b | |
| parent | 754f719af2631a0345aba4e8146140840de9c87e (diff) | |
| download | systemd-2b60d7ea54d92ec0552f15f5725e16f697a628c3.tar.gz | |
man: document ConditionMemory= + ConditionCPUs=
| -rw-r--r-- | man/systemd.unit.xml | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml index 8f317c25a7..e9601569ff 100644 --- a/man/systemd.unit.xml +++ b/man/systemd.unit.xml @@ -1002,6 +1002,8 @@ <term><varname>ConditionUser=</varname></term> <term><varname>ConditionGroup=</varname></term> <term><varname>ConditionControlGroupController=</varname></term> + <term><varname>ConditionMemory=</varname></term> + <term><varname>ConditionCPUs=</varname></term> <!-- We do not document ConditionNull= here, as it is not particularly @@ -1256,6 +1258,24 @@ <option>blkio</option>, <option>memory</option>, <option>devices</option>, and <option>pids</option>.</para> + <para><varname>ConditionMemory=</varname> verifies if the specified amount of system memory is + available to the current system. Takes a memory size in bytes as argument, optionally prefixed with a + comparison operator <literal><</literal>, <literal><=</literal>, <literal>=</literal>, + <literal>!=</literal>, <literal>>=</literal>, <literal>></literal>. On bare-metal systems + compares the amount of physical memory in the system with the specified size, adhering to the + specified comparison operator. In containers compares the amount of memory assigned to the container + instead.</para> + + <para><varname>ConditionCPUs=</varname> verifies if the specified number of CPUs is available to the + current system. Takes a number of CPUs as argument, optionally prefixed with a comparison operator + <literal><</literal>, <literal><=</literal>, <literal>=</literal>, <literal>!=</literal>, + <literal>>=</literal>, <literal>></literal>. Compares the number of CPUs in the CPU affinity mask + configured of the service manager itself with the specified number, adhering to the specified + comparision operator. On physical systems the number of CPUs in the affinity mask of the service + manager usually matches the number of physical CPUs, but in special and virtual environments might + differ. In particular, in containers the affinity mask usually matches the number of CPUs assigned to + the container and not the physically available ones.</para> + <para>If multiple conditions are specified, the unit will be executed if all of them apply (i.e. a logical AND is applied). Condition checks can be prefixed with a pipe symbol (|) in |