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author | SeongJae Park <sj@kernel.org> | 2022-05-10 04:20:56 +0300 |
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committer | Andrew Morton <akpm@linux-foundation.org> | 2022-05-13 17:20:09 +0300 |
commit | adc286e6bdd39e94f243cb109d73fb422368acd5 (patch) | |
tree | f6ebe51772bc0a5fb838043498acbd2d258675d9 /Documentation/admin-guide/mm/damon | |
parent | da87878010e59869d4d27b3c01ecc8ec06ff4a20 (diff) | |
download | linux-adc286e6bdd39e94f243cb109d73fb422368acd5.tar.xz |
Docs/{ABI,admin-guide}/damon: Update for 'state' sysfs file input keyword, 'commit'
This commit documents the newly added 'state' sysfs file input keyword,
'commit', which allows online tuning of DAMON contexts.
Link: https://lkml.kernel.org/r/20220429160606.127307-13-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/admin-guide/mm/damon')
-rw-r--r-- | Documentation/admin-guide/mm/damon/usage.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index 9c67311a79d8..1bb7b72414b2 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -121,10 +121,11 @@ In each kdamond directory, two files (``state`` and ``pid``) and one directory 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 ``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>`. +in the state. Writing ``commit`` to the ``state`` file makes kdamond reads the +user inputs in the sysfs files except ``state`` file again. 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>`. If the state is ``on``, reading ``pid`` shows the pid of the kdamond thread. |