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

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Message-Id: <20230508214019.80558-1-sj@kernel.org>
Date:   Mon,  8 May 2023 21:40:19 +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

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.


Thanks,
SJ

> 
> 
> Thanks,
> SJ
>