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t=1683989596; bh=rJhUp++XoeDNmVFtwTL9mS0YbDDSj5FAqHg8ylJIe/I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MX6R7UdOZ+yTa1zeqsH7oEBWueCzE23hXNcrgWC1JFgOjv8snyWtNC7QPmsCwxq7D 4UjsTnv4B9OtVQAkiiRBRwm4YrszZH0jjFPZaJMID1MVxgDMxUUdy3tsgMj1svmOaG js2gptSLxCIOjH/R84+hODiBHhezJpXqSxqXmMsKDaB7vhdhSlKNKlJCz0E+HjwG7E nSjlIB5odhMn/yeFUM8Rmft3xU/XFqjWThWKTdK11+QPiTZn9SBUbIDmMgbeu58zcI HJ0bQfl/dZpxRgz8uBw+gX/7NOJpfEfdETz7hiUJ1+cwhgrIGH1eh97pBDrfCQLIgB DrIDYGs+Mowpw== 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: Sat, 13 May 2023 14:53:14 +0000 Message-Id: <20230513145314.84505-1-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230508214019.80558-1-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: 6iu3ht48ndg9dtkng8gc1bup1wqjbyw6 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: D05BBA0004 X-Rspam-User: X-HE-Tag: 1683989597-573693 X-HE-Meta: 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 jtO9ajLH AIGVJDxLzJaYn0WOdl7t07AAp+Xs3w7rgyEVWuGG5q07P+Q2bBR/tFVWBWPvfa+BjhQvpGWIh+afJr9LFWEYpoHhpDgLkdgXqWJwaikh1YSJ2yiUCvZjCQpsVr1pa3g4stJJ+5RHXWdyPq/mHAzjiqCI3AGI90JkiYBNGwNYH8QvACUweGbE1qy4Ce++vvWhFRdAPZkHpc77b/We3ws1R7VYpVrY3A4C9/1UOoormWPX+GoR3MgwU/j5kNCNlM597FEMJ1zDd386UiTTA2LyIV0PSDCV65SSzah1l/7zYCJbkChJKkX/OUksdqRTQzUOiB4GWVbY1efrIUZhfposzASY30QrmnFcoJA7jqRoloItCMD5s4Vu/88HjWfCp9dux4dTD 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: On Mon, 8 May 2023 21:40:19 +0000 SeongJae Park wrote: > 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. As mentioned above, I indeed moved it to Github[1]. Above Google Drive link may be expired soon. [1] https://github.com/damonitor/talks/blob/master/2023/lsfmmbpf/damon_lsfmmbpf_2023.pdf Thanks, SJ > > > Thanks, > SJ > > > > > > > Thanks, > > SJ > >