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From: SeongJae Park <sj@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: SeongJae Park <sj@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	damon@lists.linux.dev, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: [PATCH 10/16] Docs/admin-guide/mm/damon/usage: document sz_ops_filter_passed
Date: Mon,  6 Jan 2025 11:33:55 -0800	[thread overview]
Message-ID: <20250106193401.109161-11-sj@kernel.org> (raw)
In-Reply-To: <20250106193401.109161-1-sj@kernel.org>

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@kernel.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 2e835c9bcfdf..95c174be9c06 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -84,7 +84,7 @@ 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
     │ │ │ │ │ │ │ │ ...
@@ -448,18 +448,16 @@ 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


  parent reply	other threads:[~2025-01-06 19:34 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-06 19:33 [PATCH 00/16] mm/damon: enable page level properties based monitoring SeongJae Park
2025-01-06 19:33 ` [PATCH 01/16] mm/damon: clarify trying vs applying on damos_stat kernel-doc comment SeongJae Park
2025-01-06 19:33 ` [PATCH 02/16] Docs/mm/damon/design: add 'statistics' section SeongJae Park
2025-01-06 19:33 ` [PATCH 03/16] Docs/admin-guide/mm/damon/usage: link damos stat design doc SeongJae Park
2025-01-06 19:33 ` [PATCH 04/16] mm/damon: ask apply_scheme() to report filter-passed region-internal bytes SeongJae Park
2025-01-06 19:33 ` [PATCH 05/16] mm/damon/paddr: report filter-passed bytes back for normal actions SeongJae Park
2025-01-06 19:33 ` [PATCH 06/16] mm/damon/paddr: report filter-passed bytes back for DAMOS_STAT action SeongJae Park
2025-01-06 19:33 ` [PATCH 07/16] mm/damon/core: implement per-scheme ops-handled filter-passed bytes stat SeongJae Park
2025-01-06 19:33 ` [PATCH 08/16] mm/damon/syfs-schemes: implement per-scheme " SeongJae Park
2025-01-06 19:33 ` [PATCH 09/16] Docs/mm/damon/design: document sz_ops_filter_passed SeongJae Park
2025-01-06 19:33 ` SeongJae Park [this message]
2025-01-06 19:33 ` [PATCH 11/16] Docs/ABI/damon: document per-scheme filter-passed bytes stat file SeongJae Park
2025-01-06 19:33 ` [PATCH 12/16] mm/damon/core: pass per-region filter-passed bytes to damos_walk_control->walk_fn() SeongJae Park
2025-01-06 19:33 ` [PATCH 13/16] mm/damon/sysfs-schemes: expose per-region filter-passed bytes SeongJae Park
2025-01-06 19:33 ` [PATCH 14/16] Docs/mm/damon/design: document per-region sz_filter_passed stat SeongJae Park
2025-01-06 19:34 ` [PATCH 15/16] Docs/admin-guide/mm/damon/usage: document sz_filtered_out of scheme tried region directories SeongJae Park
2025-01-06 19:34 ` [PATCH 16/16] Docs/ABI/damon: document per-region DAMOS filter-passed bytes stat file SeongJae Park

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