linux-kernel - Re: [LSF/MM/BPF TOPIC] DAMON Updates and Future Plans

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Date:   Sat, 13 May 2023 14:53:14 +0000
From:   SeongJae Park <sj@...nel.org>
To:     SeongJae Park <sj@...nel.org>
Cc:     lsf-pc@...ts.linux-foundation.org, damon@...ts.linux.dev,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [LSF/MM/BPF TOPIC] DAMON Updates and Future Plans

On Mon, 8 May 2023 21:40:19 +0000 SeongJae Park <sj@...nel.org> wrote:

> Hello,
> 
> On Tue, 14 Feb 2023 00:33:28 +0000 SeongJae Park <sj@...nel.org> 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
> >