Tagged with "ylang"

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Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 4)

Dec 31, 2021 13 mins read Posted by Yichun Zhang (updated Mar 17, 2022)

Transparent Container Tracing
Efficient Stack Unwinding
Analyzing Dead Processes (Core Dumps)
Very Low Tracing Overhead
Standard Ylang Libraries & Tools
Network Filtering & Control
The Ylang Compiler’s Implementation
Operating System Support
Contributions to Open-Source Communities

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Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 3)

Dec 28, 2021 10 mins read Posted by Yichun Zhang (updated Jan 1, 2022)

The Language Syntax (Continued)
- String Literals
- Built-in Regex Support
- Full Control-Flow Support
- Floating-Point Number Support
- Compared to Open-Source Toolchains
Transparent Debug Symbol Handling
- Debug Symbols: No Runtime Overhead
- Centralized Package Database
- Fuzzy Matching Debug Symbols

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Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 2)

Nov 14, 2021 14 mins read Posted by Yichun Zhang (updated Jan 1, 2022)

The Language Syntax (Continued)
- Macros with Extensions
- Tracer and Tracee Spaces
- Probes
- Extended Variable Types

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Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 1)

Nov 12, 2021 13 mins read Posted by Yichun Zhang (updated Apr 20, 2022)

What is Dynamic Tracing
Why the “Y” Name
Getting Started
Various Backends and Runtimes
Why a Unified Frontend Language
The Language Syntax