cilium/tetragon
Jun 2025 – Jun 2025
1 Month active
Languages Used
Go
Technical Skills
GoLibrary UpdateSystem ProgrammingeBPF
Lorenz Bauer
PROFILE
Lorenz Bauer
LMB contributed to kernel and system programming projects, focusing on stability and compatibility improvements. In the cilium/tetragon repository, LMB upgraded the cilium/ebpf library to v0.19.0, refactoring program statistics collection and directory traversal to align with new API requirements in Go, which reduced runtime errors and ensured downstream API stability. For geerlingguy/linux, LMB addressed ARM64 memory-mapping reliability by replacing virt_to_phys with __pa_symbol, resolving BTF mapping warnings and improving kernel module correctness. These changes, implemented in C and Go, demonstrated deep understanding of ARM64 architecture, eBPF, and low-level memory management, resulting in more robust production workflows.
Overall Statistics
Feature vs Bugs
0%Features
Repository Contributions
2Total
Bugs
2
Commits
2
Features
0
Lines of code
4,265
Activity Months2
Your Network
1334 people
Work History
July 2025
1 Commits
Jul 1, 2025July 2025 monthly summary for geerlingguy/linux: Delivered a critical ARM64 memory-mapping reliability fix for BTF. Replaced virt_to_phys with __pa_symbol to correctly translate kernel addresses in vmalloc space, addressing a warning observed on arm64 mmapping BTF. This reduces log noise, stabilizes ARM64 builds, and improves overall memory-mapping correctness in the kernel module. The change is encapsulated in a single commit, demonstrating deep low-level kernel debugging and cross-architecture skills.
1 Commits
Jul 1, 2025July 2025 monthly summary for geerlingguy/linux: Delivered a critical ARM64 memory-mapping reliability fix for BTF. Replaced virt_to_phys with __pa_symbol to correctly translate kernel addresses in vmalloc space, addressing a warning observed on arm64 mmapping BTF. This reduces log noise, stabilizes ARM64 builds, and improves overall memory-mapping correctness in the kernel module. The change is encapsulated in a single commit, demonstrating deep low-level kernel debugging and cross-architecture skills.
July 2025
June 2025
1 Commits
Jun 1, 2025June 2025 monthly summary for cilium/tetragon focusing on key feature delivery, major bug fixes, and overall impact. Emphasizes compatibility upgrade with the ebpf library and resulting stability for production workflows.
June 2025
1 Commits
Jun 1, 2025June 2025 monthly summary for cilium/tetragon focusing on key feature delivery, major bug fixes, and overall impact. Emphasizes compatibility upgrade with the ebpf library and resulting stability for production workflows.
Activity
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Quality Metrics
Correctness90.0%
Maintainability90.0%
Architecture90.0%
Performance90.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
CGo
Technical Skills
ARM64 ArchitectureBPFGoKernel DevelopmentLibrary UpdateMemory ManagementSystem ProgrammingeBPF
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
geerlingguy/linux
Jul 2025 – Jul 2025
1 Month active
Languages Used
C
Technical Skills
ARM64 ArchitectureBPFKernel DevelopmentMemory Management