
Worked on the cilium/tetragon repository to deliver a TracingPolicy-based stack trace overhaul, replacing the legacy stacktrace-tree API and CLI. The approach involved removing the GetStackTraceTree RPC and associated legacy modules, reducing the maintenance surface and aligning the project with modern tracing policy paradigms. All changes were implemented in Go, with supporting documentation written in Markdown to guide users through the migration process. The work included targeted code cleanup and comprehensive upgrade notes, ensuring a clear migration path for users. This update improved software architecture and clarified future development directions, with all changes tracked for traceability and accountability.
March 2026 performance summary for cilium/tetragon: Delivered a TracingPolicy-based stack trace overhaul, migrating away from legacy stacktrace-tree API/CLI and removing the GetStackTraceTree RPC. Completed targeted code cleanup by removing legacy modules and CLI surfaces, and issued migration-focused documentation with upgrade notes and direct references to tracing policy guidance. This work reduces maintenance surface, clarifies the migration path for users, and aligns tetragon with modern tracing policy paradigms. All changes are tracked against Fixes: #4748 to ensure traceability and accountability.
March 2026 performance summary for cilium/tetragon: Delivered a TracingPolicy-based stack trace overhaul, migrating away from legacy stacktrace-tree API/CLI and removing the GetStackTraceTree RPC. Completed targeted code cleanup by removing legacy modules and CLI surfaces, and issued migration-focused documentation with upgrade notes and direct references to tracing policy guidance. This work reduces maintenance surface, clarifies the migration path for users, and aligns tetragon with modern tracing policy paradigms. All changes are tracked against Fixes: #4748 to ensure traceability and accountability.

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