Hello DAMON community, Three more months have passed since the last DAMON quaterly news letter[0]. Let's look back what happened in the last three months. Summary of Summaries ==================== - New features. DAMON features and user-space supports for page level properties based monitoring and inclusive page level filtering are under development. New access pattern visualizations including recency/temperature histogram and single snapshot heatmap have delivered with user-space tool (damo). - More users. Monthly PyPI downloads of DAMON user-space tool (damo) has spiked about ten times (from 2,345 at 2024-09-01 to 21,885 at 2024-11-04). The number has decreased to 8,915 by 2024-12-30 now. - Presentations and Documents. DAMON talk videos for OSSummit'EU 2024 and LPC'2024 are now available. A DAMON monitoring parameters tuning guide and an example of it on a real server workload has shared. DAMON talk for FOSDEM'25 kernel devroom has accepted. More detailed list of news per each month follows. October 2024 ============ Official records of DAMON talks at OSSummit EU'24 and LPC'24, which presents DAMON usages[2] and long term plans[3], have uploaded to YouTube. PyPI downloads of DAMON user-space tool (damo) has rapidly increased. The 30-days downloads count has increased from 2,345 at 2024-09-01 to 21,885 at 2024-11-04. The number has decreased to 8,915 by 2024-12-30, though. A spreadsheet of the data is available[4]. DAMON debugfs interface removal RFC patch has posted[5]. DAMON project site started hosting its own blog[6], instead of redirecting to posts on the maintainer's personal blog. November 2024 ============= DAMON user-space tool (damo) started supporting recency/temperature histograms[7], temperature-based regions filtering[8], and single snapshot heatmap visualizations[9]. A guide for DAMON monitoring parameters tuning has been posted[10]. December 2024 ============= DAMON monitoring parameter tuning guide exasmple on a real server workload has been shared[11]. DAMON presentation proposal has accepted[12] to FOSDEM'25 kernel dev room. Patch series for DAMON sample modues[13] have posted. RFC patch series for page level properties-based access monitoring[14] and inclusive DAMOS filters[15] have been posted. DAMON user-space tool support of page level properties-based acces tool has been released[16]. Previous quaterly news letters ============================== - 2024 Q3: https://lore.kernel.org/20241001191425.588219-1-sj@xxxxxxxxxx - 2024 Q2: https://lore.kernel.org/20240701212244.52288-1-sj@xxxxxxxxxx - 2024 Q1: https://lore.kernel.org/20240402191224.92305-1-sj@xxxxxxxxxx More Past DAMON News ==================== If you're interested in a humblie list of more DAMON events that happened in past and curated by DAMON maintainer, please reach out to the project site's news page [12]. References ========== [1] "DAMON Quaterly News Letter (2024 Q3)", https://lore.kernel.org/20241001191425.588219-1-sj@xxxxxxxxxx [2] DAMON recipes officieal record, https://youtu.be/xKJO4kLTHOI?feature=shared [3] DAMON long-term plan official record, https://youtu.be/mRU1ZeNB9WY?feature=shared [4] Monthly PyPI downloads of DAMON user-space tool (damo), https://docs.google.com/spreadsheets/d/1j85oZWOn4-ifxHavtRyiU6GKbF3O1P0aahuoENxBvZY/edit?usp=sharing [5] DAMON debugfs interface removal RFC patch series, https://lore.kernel.org/20241015175412.60563-1-sj@xxxxxxxxxx [6] DAMON project site's blog: https://damonitor.github.io/ [7] damo recency/temperature histograms support, https://github.com/damonitor/damo/blob/v2.5.4/USAGE.md#access-report-styles [8] damo access temperature based results filtering, https://damonitor.github.io/posts/damo_2_5_7_features/ [9] damo single snapshot heatmap support, https://github.com/damonitor/damo/blob/v2.5.6/release_note#L6 [10] DAMON monitoring parameters tuning guide, https://lore.kernel.org/20241202175459.2005526-1-sj@xxxxxxxxxx [11] DAMON monitoring parameters tuning example, https://lore.kernel.org/20241202175459.2005526-1-sj@xxxxxxxxxx [12] DAMON talk at FOSDEM'25, https://fosdem.org/2025/schedule/event/fosdem-2025-4396-damon-kernel-subsystem-for-data-access-monitoring-and-access-aware-system-operations/ [13] DAMON sample modules patch series, https://lore.kernel.org/20241210215030.85675-1-sj@xxxxxxxxxx [14] Page level properties based monitoring RFC patch series, https://lore.kernel.org/20241219040327.61902-1-sj@xxxxxxxxxx [15] Inclusive DAMOS filters RFC patch series, https://lore.kernel.org/20241227210819.63776-1-sj@xxxxxxxxxx [16] damo page level properties based monitoring support, https://damonitor.github.io/posts/damon_sz_filter_passed/ [17] DAMON news page: https://damonitor.github.io/posts/damon_news/ Wrapup ====== So, those were yet another grateful three months. Looking forward to get more news! If you have any question regarding DAMON, please feel free to reach out to the community and/or me. Thanks, SJ
