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SeongJae Park

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Page-level and Fleet-wide Data Access Monitoring for MetaLinux Plumbers Conference 20252025-12-11
DAMON now exposes page-level monitoring (filters for huge pages, anon/file-backed/active lists) and a kernel agent damon_stat so a node can export idle time…
Talk on
Actionable Data Access Monitoring Output Data and FormatLinux Plumbers Conference 20252025-12-11
DAMON samples pages every 5 ms and reports per-page access location, frequency, stability and recency by default every 100 ms, claiming samples pages every 5…
Talk on
DAMON-based Pages Migration for {C,G,X}PU [un]attached NUMA nodesLinux Plumbers Conference 20252025-12-11
DAMON monitors page recency, frequency and stability and DAMOS automates promotion/demotion; SK Hynix reports up to 94% Alama CP CPP benchmark speed up for a…
Talk
Self-Driving DAMON/S: Controlled and Automated Access-aware Efficient SystemsOpen Source Summit North America 20252025-06-23
Kernel subsystem DAMON provides controlled data‑access monitoring with dynamic monitoring intervals autotuning, dynamic space granularity (merge/split regions)…
Talk on
DAMON Recipes: Ways to Save Memory Using a Linux Kernel Subsystem in the Real WorldLinuxCon @ OSS EU 20242024-09-16
DAMON is a mainline Linux data-access monitor (since v5.15) with userspace tooling that reports hot/cold address ranges and supports virtual and physical…
Talk on
DAMON Recipes: Ways to Save Memory Using a Linux Kernel Subsystem in the Real WorldOpen Source Summit Europe 20242024-09-16
DAMON is a kernel access-pattern snapshotter (mainline since v5.15) with a userspace toolchain that monitors virtual/physical ranges and applies actions…
Talk on
DAMO[N,S]?: Implementing Self-Driven Data Access-Aware Efficient Linux SystemLinuxCon @ OSS NA 20242024-04-16
DAMON is a kernel subsystem (mainline since v5.15) paired with a Python3 user tool DAMO that produces access heatmaps and drives actions; demo replays show…
Talk on
DAMON Current Status and Future PlansLinux Plumbers Conference 20232023-11-13
DAMON provides page-granularity sampling (defaults: one page per region, NR=10, sample=5ms, aggregation=100ms) and DAMON-based operation schemes (DAMOS) that…
Talk on
Data Access Monitoring Operator (DAMO): User-Space Tool/Python Library for Access-Aware Profiling and Optimization of Your Linux SystemsOpen Source Summit Europe 20232023-09-19
DAMON kernel subsystem provides region-based access sampling and adaptive region merging; DAMO is a Python user-space tool and library (PyPI, works on kernels…
Talk on
DAMON, DAMOS, and DAMO: Kernel Subsystems and User-Space Tools for Data Access...LinuxCon @ OSS NA 20232023-05-10
DAMON is a Linux kernel subsystem (mainline since 5.15/5.16) that implements regions-based sampling and adaptive region tuning to monitor data access with…
Talk on
Current Status and Future Plans of DAMONLinux Plumbers Conference 20222022-09-12
DAMON provides a centralized memory access monitoring framework that enforces bounded overhead by default and conceptually scans all system memory every 5 ms…
Talk on
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