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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E3AAC282C5 for ; Fri, 28 Feb 2025 22:09:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D43F828001A; Fri, 28 Feb 2025 17:09:39 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CF30E280001; Fri, 28 Feb 2025 17:09:39 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B6E7E28001A; Fri, 28 Feb 2025 17:09:39 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 935AD280001 for ; Fri, 28 Feb 2025 17:09:39 -0500 (EST) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 438B1C13CB for ; Fri, 28 Feb 2025 22:09:39 +0000 (UTC) X-FDA: 83170746078.07.19CD270 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf08.hostedemail.com (Postfix) with ESMTP id 9F0E416000B for ; Fri, 28 Feb 2025 22:09:37 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=fLL3tGHb; spf=pass (imf08.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 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=1740780577; 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=iDos4Puaq2cM6WsHf6Ny8hfy0p6RYKKTctkxxSIr9P8=; b=KptxUMEkPJIm2oI6O6sF0obNTL+RevHy2tHY7aAB8eRh0kekhGAP39D4BgEIWS3P0/uYuq DaOjjjkt4DhMjepHFGVlP8QhGH1v2dDRWxDG3cRXcBOZC1fucwCr/zho7JTlNfDUXVpAtR YMlmQB7yTFEJtSr9BGKSXfmugYks0ao= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1740780577; a=rsa-sha256; cv=none; b=RF77LnnB09vckdsF6l1DHAea9Yq2eL+sUi+u85lLENTNOg60+G1mWpgxs2uk77pGwTWB3g 7kHZgQ6oYyMytIAvfwVFUhR1NiyM2oY3NsUHg7QMFZwduJ18h3DSM57IHhneN/1wSz8C2V 7tw0zo9831Gm7YTB1OwisJTA7/isU6g= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=fLL3tGHb; spf=pass (imf08.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id DFF765C57C2; Fri, 28 Feb 2025 22:07:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4EC0BC4CED6; Fri, 28 Feb 2025 22:09:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740780576; bh=GkIfcQPKP+rNfXmQzBlmCYKlx5Vw4LcFnlqzHPTotfM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fLL3tGHb5kCCz68Qaghi6BzSATWGmAOtRKgOwxvfHTZHXVaqQzjFqhxnJkFUpPzfR /wm9Z5991omNsHbC29eEQdFoMkQlOe3g6toTu3uzL1uLWQMbFm96baQSJy9QiZ8A0i fjNQNxMVVF/XSRcrQ2IIYwCVsSgdMxel4S25dC9t4asQkyApHK9AnyfXPnjBlEI873 gHZ3cIjQGancQ1da7JKul/2upWisylp/UXJf64p8K1d4UuwCR5EgTa2jvAv8m1vC0e oj86Ay8ftWej0C+Ewsir1QsPGGWWPX/kwnbgU7XgUtzlkPOgrviop6C/dYLjOuO1pR l+j5p40HNYgcA== From: SeongJae Park To: SeongJae Park Cc: Andrew Morton , Jonathan Corbet , damon@lists.linux.dev, kernel-team@meta.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC PATCH v2 0/8] mm/damon: auto-tune aggregation interval Date: Fri, 28 Feb 2025 14:09:32 -0800 Message-Id: <20250228220932.50419-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250228220328.49438-1-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam02 X-Stat-Signature: ja6rygnpr87ysa98psu6mot33tim4hm9 X-Rspamd-Queue-Id: 9F0E416000B X-Rspam-User: X-HE-Tag: 1740780577-882081 X-HE-Meta: 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 7WlMynkL sZgkkrxzbpvHLUlhwspdESo/Wv6R4PBn6AOO8pGCqKKABnCEDaUOJKZADjPtHM9nH++hoRBhapUGh4lBQDrZ1Ekt61e1BjmtODPeS/ExQ7g/woVQCD10q8AJwa13h/bOmuBHqD/NeY4yvZjmannuzGWWA7MkScbaTqrJaKID19FkrTh8ZMoaaIvKngwrzoqmg2oRjIc0N6tcW4nKJnZYdy8HSw9VlekoHZOAxp4MWIx0kTrbWSsRsjv0k9Ugm0CWJxSgurxmHcgTWom4VHsxc2A3qhA== 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: On Fri, 28 Feb 2025 14:03:20 -0800 SeongJae Park wrote: > DAMON requires time-consuming and repetitive aggregation interval > tuning. Introduce a feature for automating it using a feedback loop > that aims an amount of observed access events, like auto-exposing > cameras. [...] > Evaluation > ========== > > We confirmed the tuning works as expected with a few simple workloads > including kernel builds and an in-memory caching representative > benchmark[1]. Forgot adding the link to the benchmark, sorry. It is https://github.com/facebookresearch/DCPerf/blob/main/packages/tao_bench/README.md Thanks, SJ [...]