niklas/ros2_tracing
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Mention needing to install LTTng and re-build if using Debians

Browse source 
Signed-off-by: Christophe Bedard <bedard.christophe@gmail.com>
This commit is contained in:
Christophe Bedard 2020-05-18 20:50:39 -04:00
parent 031386cf47
commit f1bde1cf0d
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
README.md
View file

@ -6,6 +6,8 @@ Tracing tools for ROS 2.
## Building
As of Foxy, these instructions also apply to an installation from the Debian packages; it will not work out-of-the-box. Also, note that tracing using `ros2_tracing` is not supported on non-Linux systems.
If LTTng is not found during build, or if the [`TRACETOOLS_DISABLED` option is enabled](#disabling-tracing), then this package will not do anything.
To enable tracing:
@ -16,7 +18,7 @@ To enable tracing:
$ sudo apt-get install lttng-tools lttng-modules-dkms liblttng-ust-dev
$ sudo apt-get install python3-babeltrace python3-lttng
```
2. Build
2. Build (at least up to `rcl` & `rclcpp`):
```
$ colcon build
```