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Documentation: add reference from dynamic debug to loglevel kernel params

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This is useful information for somebody who has managed to dig into
enabling debug output, but is wondering why there is no such output
appearing on the console.

Signed-off-by: Daniel Lublin <daniel@lublin.se>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/4633bdb82c1c7c014d79840887878624a55c59f8.1720533043.git.daniel@lublin.se
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Daniel Lublin 2024-07-09 15:51:57 +02:00 committed by Jonathan Corbet
parent 127734e23a
commit 9784f29bf5
1 changed files with 5 additions and 0 deletions
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Documentation/admin-guide/dynamic-debug-howto.rst
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@ -26,6 +26,11 @@ Dynamic debug provides:
- format string - format string
- class name (as known/declared by each module) - class name (as known/declared by each module)
NOTE: To actually get the debug-print output on the console, you may
need to adjust the kernel ``loglevel=``, or use ``ignore_loglevel``.
Read about these kernel parameters in
Documentation/admin-guide/kernel-parameters.rst.
Viewing Dynamic Debug Behaviour Viewing Dynamic Debug Behaviour
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