# \#tracing

**URL:** https://discourse.openrobotics.org/tag/tracing/95.md

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## [Ros2\_pulse: topic rates on a Grafana dashboard, now counting rclpy nodes and loaned messages](https://discourse.openrobotics.org/t/ros2-pulse-topic-rates-on-a-grafana-dashboard-now-counting-rclpy-nodes-and-loaned-messages/58863)

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**Author:** [@TanayK07](https://discourse.openrobotics.org/u/TanayK07)\
**Replies:** 1\
**Last updated:** [October 21, 2026, 2:28pm UTC](https://discourse.openrobotics.org/t/ros2-pulse-topic-rates-on-a-grafana-dashboard-now-counting-rclpy-nodes-and-loaned-messages/58863 "2026-10-21T14:28:54Z")

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Some updates on ros2\_pulse since the first post (Ros2\_pulse: per-topic rates and node liveness, including intra-process, on stock binaries), the LD\_PRELOAD probe that counts per-topic rates and node liveness from the …

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## [Ros2\_pulse: per-topic rates and node liveness, including intra-process, on stock binaries](https://discourse.openrobotics.org/t/ros2-pulse-per-topic-rates-and-node-liveness-including-intra-process-on-stock-binaries/57637)

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**Author:** [@TanayK07](https://discourse.openrobotics.org/u/TanayK07)\
**Replies:** 15\
**Last updated:** [October 21, 2026, 12:39pm UTC](https://discourse.openrobotics.org/t/ros2-pulse-per-topic-rates-and-node-liveness-including-intra-process-on-stock-binaries/57637 "2026-10-21T12:39:13Z")

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I run a ROS 2 planner stack on a Jetson AGX Orin and kept hitting the same wall: I want to know whether every topic is flowing at the rate it should and which nodes are alive, and the stock tools could not tell me withou…

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## [ROS2 x OpenTelemetry: End‑to‑End Telemetry for Robotics](https://discourse.openrobotics.org/t/ros2-x-opentelemetry-end-to-end-telemetry-for-robotics/50658)

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**Author:** [@szobov](https://discourse.openrobotics.org/u/szobov)\
**Replies:** 1\
**Last updated:** [August 21, 2026, 6:54am UTC](https://discourse.openrobotics.org/t/ros2-x-opentelemetry-end-to-end-telemetry-for-robotics/50658 "2026-08-21T06:54:34Z")

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Hey there, I’m releasing ros-opentelemetry, a production-grade library that instruments ROS 2 applications with OpenTelemetry for distributed tracing, correlated logs, and metrics — for both C++ and Python nodes. Wh…

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## [Seeking feedback on enabling post-launch tracing in ros2\_tracing](https://discourse.openrobotics.org/t/seeking-feedback-on-enabling-post-launch-tracing-in-ros2-tracing/44130)

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**Author:** [@Deva](https://discourse.openrobotics.org/u/Deva)\
**Replies:** 3\
**Last updated:** [June 6, 2025, 8:01am UTC](https://discourse.openrobotics.org/t/seeking-feedback-on-enabling-post-launch-tracing-in-ros2-tracing/44130 "2025-06-06T08:01:44Z")

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Hello everyone! @christophebedard and I are working on an issue with ros2\_tracing and we wanted to get some ideas from the community. Right now, because of how the ROS 2 core is instrumented, we have to start tracing b…

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## [Announcing Ros2TraceAnalyzer: Fast tool to analyze and visualize timing of ROS 2 applications](https://discourse.openrobotics.org/t/announcing-ros2traceanalyzer-fast-tool-to-analyze-and-visualize-timing-of-ros-2-applications/41751)

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**Author:** [@wentasah](https://discourse.openrobotics.org/u/wentasah)\
**Replies:** 9\
**Last updated:** [January 29, 2025, 6:42pm UTC](https://discourse.openrobotics.org/t/announcing-ros2traceanalyzer-fast-tool-to-analyze-and-visualize-timing-of-ros-2-applications/41751 "2025-01-29T18:42:17Z")

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Hello all, we would like to announce the Ros2TraceAnalyzer tool. Its aim is to analyze traces obtained with ros2\_tracing in a similar way as the tracetools\_analysis package, but faster and with additional analyzes. The…

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## [\[preprint\] Message Flow Analysis with Complex Causal Links for Distributed ROS 2 Systems](https://discourse.openrobotics.org/t/preprint-message-flow-analysis-with-complex-causal-links-for-distributed-ros-2-systems/25402)

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**Author:** [@christophebedard](https://discourse.openrobotics.org/u/christophebedard)\
**Replies:** 4\
**Last updated:** [May 31, 2022, 2:42am UTC](https://discourse.openrobotics.org/t/preprint-message-flow-analysis-with-complex-causal-links-for-distributed-ros-2-systems/25402 "2022-05-31T02:42:26Z")

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I’m happy to share this new paper: It is a significantly improved ROS 2 version of the prototype I made for ROS 1 almost 3 years ago, now using ros2\_tracing (see also the ros2\_tracing paper). The method can extract a…

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## [Ros2\_tracing demo and tutorial](https://discourse.openrobotics.org/t/ros2-tracing-demo-and-tutorial/22775)

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**Author:** [@christophebedard](https://discourse.openrobotics.org/u/christophebedard)\
**Replies:** 0\
**Last updated:** [October 21, 2021, 1:25pm UTC](https://discourse.openrobotics.org/t/ros2-tracing-demo-and-tutorial/22775 "2021-10-21T13:25:49Z")

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In my ROS World talk yesterday about ros2\_tracing, Tracing ROS 2 with ros2\_tracing, I showed a demo and linked to a tutorial, so I thought I’d share here as well. The demo is here: GitHub - christophebedard/ros-world-20…

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## [Looking for feedback on ros2\_tracing and use-cases/needs for performance analysis & visualization](https://discourse.openrobotics.org/t/looking-for-feedback-on-ros2-tracing-and-use-cases-needs-for-performance-analysis-visualization/18720)

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**Author:** [@christophebedard](https://discourse.openrobotics.org/u/christophebedard)\
**Replies:** 1\
**Last updated:** [February 5, 2021, 4:51pm UTC](https://discourse.openrobotics.org/t/looking-for-feedback-on-ros2-tracing-and-use-cases-needs-for-performance-analysis-visualization/18720 "2021-02-05T16:51:50Z")

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ros2\_tracing has been around for more than a year now. It provides: tracing instrumentation for ROS 2 (included starting from Eloquent, but still a WIP) tools for setting up (LTTng) tracing easily through launch files …

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## [Alpha release of ROS 2 tracing tools](https://discourse.openrobotics.org/t/alpha-release-of-ros-2-tracing-tools/9833)

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**Author:** [@christophebedard](https://discourse.openrobotics.org/u/christophebedard)\
**Replies:** 3\
**Last updated:** [July 19, 2019, 12:04pm UTC](https://discourse.openrobotics.org/t/alpha-release-of-ros-2-tracing-tools/9833 "2019-07-19T12:04:26Z")

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The alpha version of tracing tools for ROS 2 has been released! The tools are split into two repositories: ros2\_tracing and tracetools\_analysis. There’s also a Getting started with ROS 2 tracing tutorial over on the mic…