Upstream async-profiler changes detected (2026-10-27)

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Issue 类型
缺陷
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技术栈
cpp
领域
performance

调研方向

Start by comparing the four named files in ddprof-lib/src/main/cpp with the linked upstream changes, then check the corresponding upstream commits and pull requests for their intent. Review compatibility with Datadog modifications and test the changes in the Datadog profiler context; done means determining which changes need integration and confirming that result in testing.

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描述

needs-review upstream-tracking

Upstream async-profiler Changes Detected

Date: 2026-10-27
Commit Range: dd50d53...6d3daaf
Files Changed: 4
Total Commits: 4

Summary

4 files in ddprof-lib/src/main/cpp have corresponding changes in upstream async-profiler.

Changed Files

vmStructs.h

Commits: 1

  • 7c13a26 Compatibility with JDK 28 (#1826)

View diff: vmStructs.h

vmStructs.cpp

Commits: 1

  • 7c13a26 Compatibility with JDK 28 (#1826)

View diff: vmStructs.cpp

tsc.cpp

Commits: 1

  • 7c13a26 Compatibility with JDK 28 (#1826)

View diff: tsc.cpp

stackWalker.cpp

Commits: 1

  • ebaa8aa Crash protection must not reset other threads' signal masks on macOS (#1830)

View diff: stackWalker.cpp

Recent Commits

  • 6d3daaf Presence of libjvm.so should not prevent from triggering ASPROF_COMMAND (#1834)
  • 7c13a26 Compatibility with JDK 28 (#1826)
  • ebaa8aa Crash protection must not reset other threads' signal masks on macOS (#1830)
  • 82dd485 Use ghcr.io to host builder images (#1833)

Referenced Pull Requests

Action Items

  1. Review changed files for compatibility with Datadog modifications
  2. Test changes in Datadog profiler context
  3. Update integration if necessary
  4. Consider upstreaming any Datadog-specific fixes if applicable

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从这里开始

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  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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