yunwei37's Blog

Zheng Yusheng

• Phone: +8613372543711
• Email: yunwei356@gmail.com / 1067852565@qq.com
• Github: github.com/yunwei37
• Website: www.yunwei37.com

Education

Zhejiang University

September 2018 - June 2023 Major: Geographic Information Science (Bachelor)

• Main Courses: Object-Oriented Programming, Operating Systems, Computer Networks, Advanced Data Structures & Algorithm Analysis, Software Engineering, Spatial Databases, Computer System Architecture, Compiler Principles, etc.
• Open Courses: MIT 6.828 2018 Operating System lab, Nanjing University Software Analysis.

Internship Experience

Institute of Software, Chinese Academy of Sciences, Programming Languages and Compiling Technology Lab (PLCT)

• Duration: November 2022 - Present
• Position: Toolchain Development Intern
  • Led the eBPF team in maintaining the eunomia-bpf open-source community and actively contributed to the upstream eBPF/Wasm community.
  • Founded and maintained the first generic eBPF runtime and toolchain on Wasm.
  • Refactored bcc runtime, implemented bcc to libbpf conversion, supported CO-RE features, and promoted the transition of the bcc ecosystem to libbpf.

Shanghai Nayi Technology Co., Ltd

• Duration: November 2021 - October 2022
• Position: Static Analysis Intern
  • Independently designed and implemented static analysis checkers based on clang static analyzer, infer, and clang libtooling, successfully covering many rules from standards like MISRA C:2012, MISRA C++:2008, and GJB8114.
  • Designed and implemented Go static analysis check tool based on Go’s AST and SSA and integrated with other open-source products.
  • Conducted static analysis tests on multiple open-source projects in C and Go languages.

repomono

• Duration: September 2020 - June 2021
• Position: Backend Development Intern
  • Participated in the development of DevOps toolchains for monorepos.
  • Designed and implemented a search query syntax module and related APIs similar to KQL using PEG grammar.
  • Built an access control system using libgit2 and optimized performance with tools like perf, significantly improving the processing speed of git repos.

Projects

eunomia-bpf Open Source Organization

• Description: Focused on simplifying the writing, distribution, and dynamic loading process of eBPF programs, exploring the open-source community technology combining eBPF with Wasm and AI.
• Duration: March 2022 - Present
• Role: Founder and Main Developer
• Achievements:
  • The community has accumulated 1700+ stars.
  • Noted on the eBPF application landscape.
  • Github: eunomia-bpf
• Sub-projects:
  • eunomia-bpf: A lightweight CO-RE development framework for simplifying the development, build, and runtime of eBPF applications.
  • Wasm-bpf: The first user-space development library, toolchain, and runtime for general eBPF programs based on WebAssembly.
  • GPTtrace: Generates eBPF programs and traces the Linux kernel through natural language using GPT.
  • bpf-developer-tutorial: An instance-based eBPF developer tutorial.

Open Source Promotion Plan 2022 - APISIX Community

• Project Name: nginx-lua-ebpf-toolkit
• Description: A tool for sampling and flame graph performance analysis of the lua virtual machine based on eBPF.

OS Summer of Code 2020

• Github: zCore Development on an educational operating system written in Rust.
• Main Contributions:
  • Implemented inter-process communication.
  • Implemented poll/select syscall based on async/await.
  • Successfully ported gcc on zCore.
  • Enhanced the unit testing framework and libc-test testing framework.

Other Personal Open Source Projects

• Github: yunwei37 Personal Github accumulated 2000+ stars.
• Project List:
  • tryC: A miniature C language interpreter.
  • blockchain-rust: A blockchain prototype system written in Rust.
  • COVID-19-NLP-vis: COVID-19 data visualization website.
  • co-uring-WebServer: A server based on C++20 coroutines and io_uring.
  • Eunomia: A prototype container monitoring tool based on eBPF.
  • ChatGPT-github-stat-plugin: A ChatGPT Github data statistics and analysis plugin, listed on the official OpenAI marketplace.
• Final Year Project: Cloud-native spatiotemporal data analysis technology based on WebAssembly: A case study of GPlates
  • gplates-wasm: Porting a complex Qt-based open-source desktop software to WebAssembly as a development library and deploying a front and back end system on AWS lambda.

Competitions & Open Source Contributions

• National College Student System Capability Competition
  • 2022: OS Design Competition Final First Prize - Team Leader, Project: “Container Monitoring Tool Based on eBPF“.
  • 2023: OS Design Competition Final First Prize - Mentor, Project: “Sandbox File System Based on eBPF“.
• Other Open Source Contributions:
  • bcc, WasmEdge, xquic

Technical Stack Keywords

• Programming Languages: Rust, C/C++, Golang, Python, JavaScript/TypeScript, HTML, CSS
• Development Frameworks & CI/CD: Next.js, React, Flask, OpenAPI, GraphQL, Github Actions
• Tools & Cloud Services: Linux, Git, Docker, AWS, Cloudflare
• Runtime & Toolchain: WebAssembly, eBPF, LLVM, Clang
• AI & LLM: OpenAI GPT-4, langchain