# ROS2 Performance Profiling in Practice: ros2_tracing and LTTng Tracing

- Source: Guyuehome
- Published: 2026-10-17T15:42:00.000Z
- RoboHot: https://robohot.news/en/items/mlv4m395wtcdpqs86er461w64
- Original: https://www.guyuehome.com/detail?id=2102974413575057410

## Summary

This article explains how to use ros2_tracing and LTTng to profile and trace ROS2. ros2_tracing is ROS2's official tracing tool, built on LTTng; it can record runtime events such as nodes and topics, and is used to locate latency and performance bottlenecks.