diff options
Diffstat (limited to 'Documentation/admin-guide/mm/damon')
| -rw-r--r-- | Documentation/admin-guide/mm/damon/usage.rst | 47 |
1 files changed, 23 insertions, 24 deletions
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index 671d3e50b998..9d23144bf985 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -130,30 +130,29 @@ In each kdamond directory, two files (``state`` and ``pid``) and one directory (``contexts``) exist. Reading ``state`` returns ``on`` if the kdamond is currently running, or -``off`` if it is not running. Writing ``on`` or ``off`` makes the kdamond be -in the state. - -Writing ``commit`` to the ``state`` file makes kdamond reads the -user inputs in the sysfs files except ``state`` file again. Writing -``commit_schemes_quota_goals`` to the ``state`` file makes kdamond reads the -DAMON-based operation schemes' :ref:`quota goals <sysfs_schemes_quota_goals>` -of the kdamond. - -Writing ``update_schemes_stats`` to ``state`` file updates the -contents of stats files for each DAMON-based operation scheme of the kdamond. -For details of the stats, please refer to :ref:`stats section -<sysfs_schemes_stats>`. - -Writing ``update_schemes_tried_regions`` to ``state`` file updates the -DAMON-based operation scheme action tried regions directory for each -DAMON-based operation scheme of the kdamond. Writing -``update_schemes_tried_bytes`` to ``state`` file updates only -``.../tried_regions/total_bytes`` files. Writing -``clear_schemes_tried_regions`` to ``state`` file clears the DAMON-based -operating scheme action tried regions directory for each DAMON-based operation -scheme of the kdamond. For details of the DAMON-based operation scheme action -tried regions directory, please refer to :ref:`tried_regions section -<sysfs_schemes_tried_regions>`. +``off`` if it is not running. + +Users can write below commands for the kdamond to the ``state`` file. + +- ``on``: Start running. +- ``off``: Stop running. +- ``commit``: Read the user inputs in the sysfs files except ``state`` file + again. +- ``commit_schemes_quota_goals``: Read the DAMON-based operation schemes' + :ref:`quota goals <sysfs_schemes_quota_goals>`. +- ``update_schemes_stats``: Update the contents of stats files for each + DAMON-based operation scheme of the kdamond. For details of the stats, + please refer to :ref:`stats section <sysfs_schemes_stats>`. +- ``update_schemes_tried_regions``: Update the DAMON-based operation scheme + action tried regions directory for each DAMON-based operation scheme of the + kdamond. For details of the DAMON-based operation scheme action tried + regions directory, please refer to + :ref:`tried_regions section <sysfs_schemes_tried_regions>`. +- ``update_schemes_tried_bytes``: Update only ``.../tried_regions/total_bytes`` + files. +- ``clear_schemes_tried_regions``: Clear the DAMON-based operating scheme + action tried regions directory for each DAMON-based operation scheme of the + kdamond. If the state is ``on``, reading ``pid`` shows the pid of the kdamond thread. |