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Docs/admin-guide/mm/damon/usage: link damos stat design doc

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DAMON sysfs usage document focuses on usage, rather than the detail of the
stat metric itself.  Add a link to the design document on DAMOS stat usage
section.

Link: https://lkml.kernel.org/r/20250106193401.109161-4-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park
2025-01-06 11:33:48 -08:00
committed by Andrew Morton
parent 10418f263a
commit fc4e40937d
2 changed files with 4 additions and 1 deletions
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3
Documentation/admin-guide/mm/damon/usage.rst
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@@ -457,7 +457,8 @@ schemes/<N>/stats/
DAMON counts the total number and bytes of regions that each scheme is tried to
be applied, the two numbers for the regions that each scheme is successfully
applied, and the total number of the quota limit exceeds. This statistics can
be used for online analysis or tuning of the schemes.
be used for online analysis or tuning of the schemes. Refer to :ref:`design
doc <damon_design_damos_stat>` for more details about the stats.
The statistics can be retrieved by reading the files under ``stats`` directory
(``nr_tried``, ``sz_tried``, ``nr_applied``, ``sz_applied``, and

2
Documentation/mm/damon/design.rst
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@@ -539,6 +539,8 @@ To know how user-space can set the watermarks via :ref:`DAMON sysfs interface
<sysfs_interface>`, refer to :ref:`filters <sysfs_filters>` part of the
documentation.
.. _damon_design_damos_stat:
Statistics
~~~~~~~~~~