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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 X-Stat-Signature: md48z1arm9s78gfbmcayui7huuw3djnr X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 3C7861C000D X-Rspam-User: X-HE-Tag: 1683582023-679992 X-HE-Meta: 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 fNN33TWO 93XmoCpXe/IilJ5Qgs77ADKSAhyZAnJrlvk4nHjn58IQFi7GVYcwH1hd7RoaoAEQLTVKPO3IHO9a0sLe8EtmD2eLfCt4PIF4URyfK+mepxwsFlHQt/DnZQ8UsUoeEmQkalWBrMG5qSk3CyHG/GVZGvyLEBQMw/S9UMHsTJBp1qp5Fm5rSaRfIqNUykPX+gGwwlj2eplje4HlpXfrCZ12wbwRHUKx5HmzcXE35cphSrceEwZub8niq7ZT87p0f6pr3Qyb+EyhHqAQRBfK2YDbUcO/WkeY7nfNOp9RobdRBk/Y04wc1ezuQcjY2bzi58cjURZgQxVZX0r+wPSNf0OKodgYmoSa6F+NzvGSbvZuBmdBsrBc= 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: 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 >