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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6582C77B7F for ; Mon, 8 May 2023 21:41:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233817AbjEHVlS (ORCPT ); Mon, 8 May 2023 17:41:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234441AbjEHVk4 (ORCPT ); Mon, 8 May 2023 17:40:56 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8B8F138 for ; Mon, 8 May 2023 14:40:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 445DD62643 for ; Mon, 8 May 2023 21:40:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36AC8C433D2; Mon, 8 May 2023 21:40:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1683582021; bh=oANPd3DOs4qD/lyqQBdBplr1++MgwupwWRZ+vdH1m90=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L7crJzFpVf5vcR2RJIAYclhXhh60hTtGH+ZKWXR2a5WCq2JnAdlu65p7hDRzEgmGp kMiXy1eEv1hBPiKKY4DkP6EIsF25tTVPnHsXv4kwzsjJ3UT/4Dkzf9IRtkSlAuC87A sKnvLMiILOCWFgCNwWE6zUoOjeh0GHjr4NAQypq2jwx8zcF0w2wLjHl3fA2B1vMbz0 NLJHk6+chVm3cFXnvPGdEL/IxAUIAhZ54PEYScT1ZURARfI0rNzMAhaTYCeSdF96Q2 LJRFo22DPHGDX3WCp2osv/Go8zXUUHSZNFSXFadOzAHQoa7MD2tcad/MOsu74WPfbi MYnVEn+wSrlUA== From: SeongJae Park To: SeongJae Park Cc: lsf-pc@lists.linux-foundation.org, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [LSF/MM/BPF TOPIC] DAMON Updates and Future Plans Date: Mon, 8 May 2023 21:40:19 +0000 Message-Id: <20230508214019.80558-1-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230214003328.55285-1-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Tue, 14 Feb 2023 00:33:28 +0000 SeongJae Park wrote: > Hi all, > > > DAMON has merged into mainline as a data access monitoring tool that equips a > best-effort overhead-accuracy tradeoff mechanism, and then extended for data > access-aware system operations. I'd like to briefly introduce current state of > DAMON and share/discuss about 2023 plans including below. > > - Finer and easier-to-use DAMOS tuning > - tuning aggressiveness based on user or kernel feed (e.g., QPS or PSI) > - Merging DAMON user space tool into the mainline > - Extending DAMON > - Page-granularity monitoring > - LRU-lists based page-granulariy monitoring > - CPU-specific access monitoring > - Read/Write-only access monitoring > - More DAMON-based Operation Schemes > - Tiered memory management > - THP memory footprint reduction > - NUMA balancing > > I hope to hear concerns/interests about the plans for prioritizing each work > items and get some suggestions of future works and collaboration with other > kernel subsystems/hackers. We will start the discussion after about 1 hour and 20 minutes, so sharing the slides here: https://drive.google.com/file/d/10nsd4fq01On9p-oTmCS5KSW6qESmB6ER/view?usp=sharing The link might be changed later. I will update on this thread in the case. Thanks, SJ > > > Thanks, > SJ >