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I finally realized that I cannot implement one access pattern visualization that fits all. Hence next DAMON user-space tool release will contain programmable visualization feature. Users can program their access pattern visualization in Python code, as a script or interactively on the Python interpreter.

https://github.com/damonitor/damo/blob/d0eb41035db1a870d482a14087afda0196c5980b/USAGE.md#damo-report-access-programming-visualization

#linux #kernel #damon #damo
DAMON user-space tool. Contribute to damonitor/damo development by creating an account on GitHub.
GitHubdamo/USAGE.md at d0eb41035db1a870d482a14087afda0196c5980b · damonitor/damoDAMON user-space tool. Contribute to damonitor/damo development by creating an account on GitHub.

𝗗𝗮𝗺𝗼𝗻 𝗔𝗹𝗯𝗮𝗿𝗻 𝗯𝗲𝘇𝗶𝗴 𝗺𝗲𝘁 𝗮𝗳𝗿𝗼𝗻𝗱𝗲𝗻 𝗻𝗶𝗲𝘂𝘄 𝗚𝗼𝗿𝗶𝗹𝗹𝗮𝘇-𝗮𝗹𝗯𝘂𝗺

Damon Albarn is van plan dit jaar een nieuw album met Gorillaz uit te brengen. "Ik ben bezig met het afronden van een nieuw Gorillaz-album", aldus de 57-jarige artiest in gesprek met het Franse tijdschrift Les Inrockuptibles.

rtl.nl/boulevard/artikel/55015

RTL Boulevard · Damon Albarn bezig met afronden nieuw Gorillaz-albumDamon Albarn is van plan dit jaar een nieuw album met Gorillaz uit te brengen. "Ik ben bezig met het afronden van een nieuw Gorillaz-album", aldus de 57-jarige artiest in gesprek met het Franse tijdschrift Les Inrockuptibles.
I just posted an RFC patch series for making DAMON-based memory tiering self-tuned and just works. It contains evaluation of DAMON-based memory tiering that shows 4.42 % performance improvement over baseline and ~10% improvement over NUMA Balancing in memory tiering mode under a setup.

[1] https://lore.kernel.org/20250320053937.57734-1-sj@kernel.org

#linux #kernel #damon
lore.kernel.org[RFC PATCH 0/4] mm/damon: let DAMON-based memory tiering self-tuned and just works - SeongJae Park
I just posted[1] DAMON monitoring intervals auto-tuning patch series without RFC tag. It is now queued on mm-unstable for 6.15-rc1. This version also includes its test results on a real-world server workload. To quote the conclusion part of the evaluation:

"The auto-tuning feature was able to adaptively react to the
dynamic access patterns of the workload and reliably provide consistent
monitoring results without manual human interventions. Also, the
auto-tuning made DAMON consumes only necessary amount of resource for
the required quality."

[1] https://lore.kernel.org/20250303221726.484227-1-sj@kernel.org

#linux #kernel #damon
lore.kernel.org[PATCH 0/8] mm/damon: auto-tune aggregation interval - SeongJae Park
MM pull request[1] for Linux 6.14-rc1 is out. This includes many interesting changes including below six DAMON patchsets.

- "mm/damon: add sample modules"
- "mm/damon: replace most damon_callback usages in sysfs with new core functions"
- "mm/damon: enable page level properties based monitoring"
- "mm/damon: remove DAMON debugfs interface"
- "mm/damon: extend DAMOS filters for inclusion"
- "Docs/mm/damon: add tuning guide and misc updates"

I highly recommend to read the summaries on the pull request[1] to find exciting MM changes for Linux 6.14!

[1] https://lore.kernel.org/20250124162248.60104eec848619a187242392@linux-foundation.org/

#linux #kernel #mm #damon
lore.kernel.org[GIT PULL] MM updates for 6.14-rc1 - Andrew Morton