linux-kernel - [RFC PATCH 11/18] Docs/admin-guide/mm/damon/usage: document sz_ops_filter

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Message-Id: <20241219040327.61902-12-sj@kernel.org>
Date: Wed, 18 Dec 2024 20:03:20 -0800
From: SeongJae Park <sj@...nel.org>
To: 
Cc: kernel-team@...a.com,
	SeongJae Park <sj@...nel.org>,
	damon@...ts.linux.dev,
	linux-mm@...ck.org,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RFC PATCH 11/18] Docs/admin-guide/mm/damon/usage: document sz_ops_filter_passed

Document the new per-scheme operations set layer-handled DAMOS filters
passed bytes statistic file on DAMON sysfs interface usage document.

Signed-off-by: SeongJae Park <sj@...nel.org>
---
 Documentation/admin-guide/mm/damon/usage.rst | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index af70f7244700..179a9060a32e 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -90,7 +90,7 @@ comma (",").
     │ │ │ │ │ │ │ :ref:`watermarks <sysfs_watermarks>`/metric,interval_us,high,mid,low
     │ │ │ │ │ │ │ :ref:`filters <sysfs_filters>`/nr_filters
     │ │ │ │ │ │ │ │ 0/type,matching,memcg_id
-    │ │ │ │ │ │ │ :ref:`stats <sysfs_schemes_stats>`/nr_tried,sz_tried,nr_applied,sz_applied,qt_exceeds
+    │ │ │ │ │ │ │ :ref:`stats <sysfs_schemes_stats>`/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds
     │ │ │ │ │ │ │ :ref:`tried_regions <sysfs_schemes_tried_regions>`/total_bytes
     │ │ │ │ │ │ │ │ 0/start,end,nr_accesses,age
     │ │ │ │ │ │ │ │ ...
@@ -454,18 +454,16 @@ difference is applied to :ref:`stats <damos_stats>` and
 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.  Refer to :ref:`design
-doc <damon_design_damos_stat>` for more details about the stats.
+DAMON counts statistics for each scheme.  This statistics can 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
-``qt_exceeds``), 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.
+(``nr_tried``, ``sz_tried``, ``nr_applied``, ``sz_applied``,
+``sz_ops_filter_passed``, and ``qt_exceeds``), 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.
 
 .. _sysfs_schemes_tried_regions:
 
-- 
2.39.5