diff options
| -rw-r--r-- | Documentation/admin-guide/mm/damon/usage.rst | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index bfaee977c37c..b0f3969b6b3b 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -549,10 +549,13 @@ online analysis or tuning of the schemes. Refer to :ref:`design doc The statistics can be retrieved by reading the files under ``stats`` directory (``nr_tried``, ``sz_tried``, ``nr_applied``, ``sz_applied``, ``sz_ops_filter_passed``, ``qt_exceeds``, ``nr_snapshots`` and -``max_nr_snapshots``), respectively. The files are not updated in real time, -so you should ask DAMON sysfs interface to update the content of the files for -the stats by writing a special keyword, ``update_schemes_stats`` to the -relevant ``kdamonds/<N>/state`` file. +``max_nr_snapshots``), respectively. + +The files are not updated in real time by default. Users should ask DAMON +sysfs interface to periodically update those using ``refresh_ms``, or do a one +time update by writing a special keyword, ``update_schemes_stats`` to the +relevant ``kdamonds/<N>/state`` file. Refer to :ref:`kdamond directory +<sysfs_kdamond>` for more details. .. _sysfs_schemes_tried_regions: |