Show HN: Await-Tree – Visualize Async Rust Task Execution in Real-Time
2 days ago
- #rust
- #debugging
- #async
- Async Rust Futures can be composed or nested for various control flows.
- The execution of async tasks can be visualized as a logical tree that changes over time.
- `await-tree` allows runtime dumping of the execution tree with annotated spans.
- Supports dynamic span customization with runtime `String` for better debugging.
- Handles complex async control flows and arbitrary `Future` topologies.
- Uses an arena-based data structure with zero extra `unsafe` code.
- Optional features include `serde` for serialization and `tokio` for runtime integration.
- Compared to `async-backtrace`, `await-tree` offers more flexibility and safety.
- Used in production by RisingWave, a distributed streaming database.
- Licensed under Apache License 2.0.