From: SeongJae Park <sj@kernel.org>
Cc: SeongJae Park <sj@kernel.org>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Michal Hocko <mhocko@suse.com>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Vlastimil Babka <vbabka@suse.cz>,
damon@lists.linux.dev, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: [RFC PATCH 04/12] Docs/admin-guide/mm/damon/usage: update for nr_snapshots damos stat
Date: Sun, 23 Nov 2025 10:43:18 -0800 [thread overview]
Message-ID: <20251123184329.85287-5-sj@kernel.org> (raw)
In-Reply-To: <20251123184329.85287-1-sj@kernel.org>
Update DAMON usage document for the newly added damos stat,
nr_snapshots.
Signed-off-by: SeongJae Park <sj@kernel.org>
---
Documentation/admin-guide/mm/damon/usage.rst | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index 9991dad60fcf..d0944bd78964 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -87,7 +87,7 @@ comma (",").
│ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx,min,max
│ │ │ │ │ │ │ :ref:`dests <damon_sysfs_dests>`/nr_dests
│ │ │ │ │ │ │ │ 0/id,weight
- │ │ │ │ │ │ │ :ref:`stats <sysfs_schemes_stats>`/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds
+ │ │ │ │ │ │ │ :ref:`stats <sysfs_schemes_stats>`/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds,nr_snapshots
│ │ │ │ │ │ │ :ref:`tried_regions <sysfs_schemes_tried_regions>`/total_bytes
│ │ │ │ │ │ │ │ 0/start,end,nr_accesses,age,sz_filter_passed
│ │ │ │ │ │ │ │ ...
@@ -543,9 +543,9 @@ 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``, 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,
+``sz_ops_filter_passed``, ``qt_exceeds`` and ``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.
.. _sysfs_schemes_tried_regions:
--
2.47.3
next prev parent reply other threads:[~2025-11-23 18:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-23 18:43 [RFC PATCH 00/12] mm/damos/stat: introduce nr_snapshots, max_nr_snapshots and tracepoint SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 01/12] mm/damon/core: introduce nr_snapshots damos stat SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 02/12] mm/damon/sysfs-schemes: introduce nr_snapshots damos stat file SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 03/12] Docs/mm/damon/design: update for nr_snapshots damos stat SeongJae Park
2025-11-23 18:43 ` SeongJae Park [this message]
2025-11-23 18:43 ` [RFC PATCH 05/12] Docs/ABI/damon: " SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 06/12] mm/damon: update damos kerneldoc for stat field SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 07/12] mm/damon/core: implement max_nr_snapshots SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 08/12] mm/damon/sysfs-schemes: implement max_nr_snapshots file SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 09/12] Docs/mm/damon/design: update for max_nr_snapshots SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 10/12] Docs/admin-guide/mm/damon/usage: " SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 11/12] Docs/ABI/damon: " SeongJae Park
2025-11-23 18:43 ` [RFC PATCH 12/12] mm/damon/core: add trace point for damos stat per apply interval SeongJae Park
2025-11-24 15:15 ` Steven Rostedt
2025-11-24 15:37 ` SeongJae Park
2025-11-23 19:54 ` [RFC PATCH 00/12] mm/damos/stat: introduce nr_snapshots, max_nr_snapshots and tracepoint SeongJae Park
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