From patchwork Tue Oct 10 01:26:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SeongJae Park X-Patchwork-Id: 13414733 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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F8F8CD68E3 for ; Tue, 10 Oct 2023 01:26:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 76C7580035; Mon, 9 Oct 2023 21:26:14 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6F48F80027; Mon, 9 Oct 2023 21:26:14 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 56DCE80035; Mon, 9 Oct 2023 21:26:14 -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 3AE2280027 for ; Mon, 9 Oct 2023 21:26:14 -0400 (EDT) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 021A7A047C for ; Tue, 10 Oct 2023 01:26:13 +0000 (UTC) X-FDA: 81327811068.01.2001401 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf15.hostedemail.com (Postfix) with ESMTP id EA0F4A001C for ; Tue, 10 Oct 2023 01:26:11 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=DinnA0mI; spf=pass (imf15.hostedemail.com: domain of sj@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1696901172; 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-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=wWqb5RF5u3LfoSr5/spsiKSMAyxjfAb4rLdwv4pzIqA=; b=bUJ9x53AD5Zk6BNT5QuPBWFLiyAdKyJdEGLyfVT9HHIdk/MBe4/eoPHgWHZqTBataONAKE MFMyMY9S1eeSESfMSosbZN9Osyj3ETWB3cVZtF10+n9FNEDvxQnbj4BIXyT66azBYrrc6Y dZP2VrveBQUis7KE8OVkYT7qn3+sBcc= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1696901172; a=rsa-sha256; cv=none; b=7npQGrlixDcbjNgPEuBwIsgKDRsXkMOBL7RlKLNqGyvZZrvtqKCE5JYxH7o72SS3DlMkyL uwKKtemUDtfyPbHvo7i0vV4ImjeG75d792P0u6iLaQUCDvoioMcKPrgLGz1CheHJlYmP6X UtOqlscbmIP7Z7CdDhGHS5KjfE9ihG8= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=DinnA0mI; spf=pass (imf15.hostedemail.com: domain of sj@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 710A0CE1B62; Tue, 10 Oct 2023 01:26:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93F91C433CD; Tue, 10 Oct 2023 01:26:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696901168; bh=PRMNaWi4eLwEr1ddca0C6ItteLnRKdFxcFRimSLMbuo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DinnA0mIa0xXyxJyvyJPWRn0gfhZL4OuTtZEyU3zDNJ24JTTZMqczCXaW2VxkR2HD 9/SCzw1uhvAFQOO25rh75JnffxCNj6eyVIgAoSbetEBVXf7UZoouWyNpUYRhKPVzFL hsXezDNiIK/6jDuO3EJf2XG2trq4vlFHii7KB+umOOp6rlfwtGkO7RikibyFV9WOgB fBwpcMEJb+9ze5Mn8+zY9PMJoZiDp0LrwO/3PNxkdUjxCJ2TVeuVbNIBjl8+upxgTH Mag4Z3w65XlP8fXvzuI0flSiII5ELHCFKiSEEtuzTZqS65EarNJLY/SLDy6g5Xp3Cg LgwoNZvdyVH6Q== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , Jonathan Corbet , damon@lists.linux.dev, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 3/3] Docs/admin-guide/mm/damon/usage: update for tried regions update time interval Date: Tue, 10 Oct 2023 01:26:00 +0000 Message-Id: <20231010012600.83140-4-sj@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231010012600.83140-1-sj@kernel.org> References: <20231010012600.83140-1-sj@kernel.org> MIME-Version: 1.0 X-Stat-Signature: n49jwjfzqyoyu96kjzsodbixiqbbwopo X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: EA0F4A001C X-Rspam-User: X-HE-Tag: 1696901171-71154 X-HE-Meta: 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 7xEmO5r+ Mu0X5XpMrIryVJZhosUDRFl5gKVN3Wbu9xe1O2A8o6uc7GiqiLTYPevzuPivYsNTXo3QxIVq3aGQc1K5rOr+0yot3twpnpuOPL6zG+S3KswAXgGI5wGs698kj0aVIYZ3eF7IoZMwuZPtJp2XPVKJHnxg4w/NS7g/WOsvdqko1qyLtvl9k7BJL4H9JSfpOGdGYj71piDuaqnTokqyjrv/sDUduknBfLZyd2gBunoGalcxJ+qYLCZGhPDEBUQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000013, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: The documentation says DAMOS tried regions update feature of DAMON sysfs interface is doing the update for one aggregation interval after the request is made. Since the introduction of the per-scheme apply interval, that behavior makes no much sense. Hence the implementation has changed to update the regions for each scheme for only its apply interval. Further update the document to reflect the real behavior. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/usage.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index 8507a6e45d86..da94feb97ed1 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -432,9 +432,9 @@ that reading it returns the total size of the scheme tried regions, and creates directories named integer starting from ``0`` under this directory. Each directory contains files exposing detailed information about each of the memory region that the corresponding scheme's ``action`` has tried to be applied under -this directory, during next :ref:`aggregation interval -`. The information includes address range, -``nr_accesses``, and ``age`` of the region. +this directory, during next :ref:`apply interval ` of the +corresponding scheme. The information includes address range, ``nr_accesses``, +and ``age`` of the region. Writing ``update_schemes_tried_bytes`` to the relevant ``kdamonds//state`` file will only update the ``total_bytes`` file, and will not create the