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Howlett" , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 10/12] Docs/admin-guide/mm/damon/usage: update for max_nr_snapshots Date: Tue, 16 Dec 2025 00:01:23 -0800 Message-ID: <20251216080128.42991-11-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251216080128.42991-1-sj@kernel.org> References: <20251216080128.42991-1-sj@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 5C2CF40014 X-Stat-Signature: zoibdcs1hjtf8qyj64q14ujmk95fpwbx X-HE-Tag: 1765872122-369505 X-HE-Meta: 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 Vwgtgbft fMP0h6ILMabKBHKydmIE0e54NJaBh6tHpqGTaBblqm4eZWbmXNLx34KT9IaHtxEVOVHn1I7mR+lc3vSEEOj3V8y1+xUIs1X2BjLOSeLnE+Z5yphXT9Z9J7kHptJILkrKKz5CyKTd9Ce+iRTV9OXdSipY7aIKua6AxTHKsomr5y6y557KWdoR2qYfGmO3aUzcRbRWYX4tRyH+x/xXOXam7yYbFjcKLMUI0yg1mkT/Nleiq1em3CANqIGuOnUbuI4BOAV5c2fhmMKhxSbGWI5qyEE3QibbvAxCwvH7hntK5Ht5LSHUrqxqltyRYcaH9llI6+xhofH/VPz15KUwDR+1FM6ugdhRuHoGTilr5 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Update DAMON usage document for the newly added DAMON sysfs interface file, max_nr_snapshots. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/usage.rst | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index d0944bd78964..7da4c002cb39 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 `/nr_dests │ │ │ │ │ │ │ │ 0/id,weight - │ │ │ │ │ │ │ :ref:`stats `/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds,nr_snapshots + │ │ │ │ │ │ │ :ref:`stats `/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds,nr_snapshots,max_nr_snapshots │ │ │ │ │ │ │ :ref:`tried_regions `/total_bytes │ │ │ │ │ │ │ │ 0/start,end,nr_accesses,age,sz_filter_passed │ │ │ │ │ │ │ │ ... @@ -543,10 +543,11 @@ 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`` 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//state`` file. +``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//state`` file. .. _sysfs_schemes_tried_regions: -- 2.47.3