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Howlett" , Andrew Morton , 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: [RFC PATCH v3 32/37] Docs/admin-guide/mm/damon/usage: document tids_arr file Date: Sun, 7 Dec 2025 22:29:36 -0800 Message-ID: <20251208062943.68824-33-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251208062943.68824-1-sj@kernel.org> References: <20251208062943.68824-1-sj@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: D71D3160015 X-Stat-Signature: wzmum1dycsojeaqg1e7r8y8u4eocfd81 X-Rspam-User: X-HE-Tag: 1765175440-61097 X-HE-Meta: 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 ZY7HwEYQ NSx/DItfdLOk4Ens9r+DiKGwh1bfniOiGv0vX879yRYwXr5TJjdoHrxk7+LSr602XhA68hElU+7tsrrUqXyYEJsZHTOzs2zRJcYGLHDR+vg9KzgYjxdwgU3dGU8OdBrB8dYY7aqe86/95zdATblVt7OGBWKx01MR8HF3Bc1EGCxa7QWOAHmjFYZoFaZ/M7f+DKZyhIJEr3tgGVIAotTc19fLZMs1Ynm785jTEOBS1hcyOTQEiLbZIrPNv5GYJcj4Zzt32aFMJMw4tw9wsqRLJJpYeiCQEJ3SmQcC5piqC+tpDFEfScijyCnYYBBTTT3pmxp8/YH/mT1amaA2UhJNFAKL00JcbEhuJKKFc 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 threads based access sampling results filtering. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/usage.rst | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index 365a4548a5ba..d22d80710355 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -67,7 +67,7 @@ comma (","). │ │ │ │ │ │ │ intervals_goal/access_bp,aggrs,min_sample_us,max_sample_us │ │ │ │ │ │ sample/primitives/page_table,page_faults │ │ │ │ │ │ sample/filters/nr_filters - │ │ │ │ │ │ │ 0/type,matching,allow,cpumask + │ │ │ │ │ │ │ 0/type,matching,allow,cpumask,tid_arr │ │ │ │ │ │ nr_regions/min,max │ │ │ │ │ :ref:`targets `/nr_targets │ │ │ │ │ │ :ref:`0 `/pid_target,obsolete_target @@ -260,13 +260,14 @@ context, in the order of the directory names. Writing ``0`` to ``nr_filters`` removes the directories. Under the individual filter directory, five files, ``type``, ``matching``, -``allow``, and ``cpumask`` exist. The first three files are same to the -properties of the filter specified on the :ref:`design doc +``allow``, ``cpumask`` and ``tid_arr`` exist. The first three files are same +to the properties of the filter specified on the :ref:`design doc `. -Users can specify the cpumask of the filter by writing it to ``cpumask``. The -format for ``cpumask`` input is same to that for other cpumask inputs like that -for cgroup cpusets. +Users can specify the cpumask and thread id array of the filter by writing +those to ``cpumask`` and ``tid_arr``. The format for ``cpumask`` input is same +to that for other cpumask inputs like that for cgroup cpusets. For +``tid_arr``, users can write array of the thread ids, separated by a comma. .. _damon_usage_sysfs_monitoring_intervals_goal: -- 2.47.3