From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AF9E1CCD184 for ; Thu, 9 Oct 2025 21:21:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 49AAA8E00B6; Thu, 9 Oct 2025 17:21:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 35E918E0002; Thu, 9 Oct 2025 17:21:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 226FA8E00B6; Thu, 9 Oct 2025 17:21:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 05EFA8E0002 for ; Thu, 9 Oct 2025 17:21:02 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id B68C188350 for ; Thu, 9 Oct 2025 21:21:01 +0000 (UTC) X-FDA: 83979845922.14.1CE6E37 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf13.hostedemail.com (Postfix) with ESMTP id F118B20002 for ; Thu, 9 Oct 2025 21:20:59 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=iwiq+z9N; spf=pass (imf13.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1760044860; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=s7+EnUTWWgfJ/pmzIo0T9gVX4Hx7dnr79VbcE0j4jfo=; b=dyDackMEVg5ThT/qmycP0wDV7hf73O87kr8gHqSlRf/Ec9b4ND8W+EHWv/Jzb7Qjo5rE67 KjhsuCWFEoCzupbRsP99X/FqzZeIPbkri5eYcLS19cXMZwvHG0lar/eb2gIu3KUi61S5Jd D1zhtTXkgGma/wD+h/i813TVpSSRAH4= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=iwiq+z9N; spf=pass (imf13.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1760044860; a=rsa-sha256; cv=none; b=K3uO5zoQyXIMQFRa5BxzPdDlim9Km2rlQ4fdVsld8KiVMJHZ5+TjhmCyP324oHAHRpYG9E 5mGd+B8lEKwHN1fWombBTf90HcbNDjpmwCuCsvFHHMYphZJDgv+1tBj7xHBPb5w0sZP8QJ O9UsvEnCpOYL3pwEGwdN4p0K/4ByjII= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 184FF402F2; Thu, 9 Oct 2025 21:20:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C657DC4CEE7; Thu, 9 Oct 2025 21:20:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760044859; bh=c3w+jGZIkcFz1bj37NYQVYFms2ZoPQQJjnr1dqcqrzk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iwiq+z9N7k5zhBrw09Vtp1n2Tn6BSsrEl88mOt1tkYea/S5Gz33b45jExVLY/CrKj pKuxINooLI4m/Lv8IX31vpMCFI6OjKRvt1RipEAUWpm93fEcMIQBBE/EtMWE0I7bov hWbb8JxfaqLO8xWEJhFkDQz/C2WMrL0vwBHMZ/EEGKOABodFzOhqvN0UVon0AeQhWJ lMxPpTDHRwBUwTBRS0t1DjxHlTGsFWHSA0pvijHwK7i2bUsHTFo7+G8UJanNqTjhNC DAuW/Z7juLiVu5Mx45odTE4zN156Qf1tGcAEl8yylYfE0IN4CEhNeK3G9+nNJOM9ZS 2EZkYzxQ3ns7w== From: SeongJae Park To: Cc: SeongJae Park , "Liam R. Howlett" , Andrew Morton , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, kernel-team@meta.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2 09/10] Docs/admin-guide/mm/damon/usage: document DAMOS quota goal path file Date: Thu, 9 Oct 2025 14:20:41 -0700 Message-Id: <20251009212042.60084-10-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20251009212042.60084-1-sj@kernel.org> References: <20251009212042.60084-1-sj@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: F118B20002 X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: 5rkdnjm7gzzuttwtwguaaewe33ftbamo X-HE-Tag: 1760044859-966064 X-HE-Meta: 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 IFRHOcUR P0xXTQ9vfA2FnPm+q7meB1imPFGd0PgHqnExUcN58BfnUYEfDRcbKy1it1TDdr6Us7BilQNtCBZqDkFYqVdkDoqnqW/SmJRR0i7OMxUx4YY8BaC9jiFptDUbfKo9y7HHIKQFARNLPlQ8lbHaoKsbevJy4XedA2N8YPt8uZuV1kYQYDV1e7aYDGdM2Ww5fwKGa/dP1dRBKKQ3zusHUa/C+mYXW6F/oAnpzoZXbyZycdrI0YzimdtnJmsNSNFk32NnyXlPvPFQQObrGqDt1BYgx5/D/V2+VxdNqK68jYCUdp+6Fc+XcqzkgEAb+wg== 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: A new DAMON sysfs interface file, namely 'path' has been added under DAMOS quota goal directory, for specifying the cgroup for DAMOS_QUOTA_NODE_MEMCG_{USED,FREE}_BP metrics. Document it on the usage document. Signed-off-by: SeongJae Park --- 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 eae534bc1bee..98958975604d 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -81,7 +81,7 @@ comma (","). │ │ │ │ │ │ │ :ref:`quotas `/ms,bytes,reset_interval_ms,effective_bytes │ │ │ │ │ │ │ │ weights/sz_permil,nr_accesses_permil,age_permil │ │ │ │ │ │ │ │ :ref:`goals `/nr_goals - │ │ │ │ │ │ │ │ │ 0/target_metric,target_value,current_value,nid + │ │ │ │ │ │ │ │ │ 0/target_metric,target_value,current_value,nid,path │ │ │ │ │ │ │ :ref:`watermarks `/metric,interval_us,high,mid,low │ │ │ │ │ │ │ :ref:`{core_,ops_,}filters `/nr_filters │ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx,min,max @@ -402,9 +402,9 @@ number (``N``) to the file creates the number of child directories named ``0`` to ``N-1``. Each directory represents each goal and current achievement. Among the multiple feedback, the best one is used. -Each goal directory contains four files, namely ``target_metric``, -``target_value``, ``current_value`` and ``nid``. Users can set and get the -four parameters for the quota auto-tuning goals that specified on the +Each goal directory contains five files, namely ``target_metric``, +``target_value``, ``current_value`` ``nid`` and ``path``. Users can set and +get the five parameters for the quota auto-tuning goals that specified on the :ref:`design doc ` by writing to and reading from each of the files. Note that users should further write ``commit_schemes_quota_goals`` to the ``state`` file of the :ref:`kdamond -- 2.39.5