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ROS2 FastDDS Monitor

asked 2021-10-06 03:32:20 -0500

Thomas10017 gravatar image

updated 2021-10-06 03:32:38 -0500

Hi,

The Fast DDS Monitor just released, and I struggle to use it on ROS2 Foxy. I know that it's possible, but I can't see anything on it when I'm on foxy.

Did someone succeed ? Thank you so much.

(here is the tuto https://www.youtube.com/watch?v=OYibn...)

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Are you using a build of ros2 that contains the -DFASTDDS_STATISTICS=on flag? https://youtu.be/OYibnUnMIlc?t=39

ChuiV gravatar image ChuiV  ( 2021-10-06 09:12:46 -0500 )edit

Yes I am, I do exactly as the video say, I even tried on galactic but I can't see anything in statistics, I just see 0 everywhere..

Thomas10017 gravatar image Thomas10017  ( 2021-10-06 09:15:14 -0500 )edit

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answered 2021-10-07 20:10:03 -0500

ChuiV gravatar image

Okay. I figured it out in ROS2 Galactic. The video was slightly wrong.

When you build ros2 you'll need to do:

colcon build --cmake-args -DFASTDDS_STATISTICS=on

vs the video showing

colcon build -DFASTDDS_STATISTICS=on

Once it's finished building then you should be able to view and plot the statistics using the fastdds monitor application.

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Indeed I did this command but when I built on Foxy (I asked below the video in comment and they said it could be done in Foxy). I will retry in Galactic from source. ty!

Thomas10017 gravatar image Thomas10017  ( 2021-10-08 01:49:54 -0500 )edit

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Asked: 2021-10-06 03:32:20 -0500

Seen: 96 times

Last updated: Oct 07 '21