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docs: add info on how to set the log level via configuration

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George Kiagiadakis 2024-07-09 08:58:37 +03:00
parent afcb91f59b
commit 773fee315a
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docs/rst/daemon/logging.rst
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@ -127,6 +127,42 @@ Above, ``<ID>`` should be replaced by the WirePlumber daemon client ID.
Note that PipeWire daemon log levels must be specified by numbers, not
letter codes.
Changing log level via static configuration
-------------------------------------------
If you need to capture logs from WirePlumber at startup or in other circumstances
where changing the level at runtime or setting an environment variable is not
feasible, then you may also set the log level in the configuration file.
The log level changes via the ``log.level`` key in the ``context.properties``
section:
.. code::
context.properties = {
log.level = "D"
}
You may use the same syntax as in ``WIREPLUMBER_DEBUG`` to describe the exact
logging you want to achieve. For instance, to log debug messages from all
scripts and informational messages from everywhere else:
.. code::
context.properties = {
log.level = "I,s-*:D"
}
The easiest way to configure this is to drop a
:ref:`fragment file <config_conf_file_fragments>` that contains just this.
.. code-block:: bash
$ mkdir -p ~/.config/wireplumber/wireplumber.conf.d
$ echo 'context.properties = { log.level = "D" }' > ~/.config/wireplumber/wireplumber.conf.d/log.conf
See also :ref:`config_modifying_configuration`
Examples
--------