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BUILDING.md

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Building the application

Compiling manually

The Maven project build requires version 3.9 or later. It can be downloaded from https://maven.apache.org or from the package management system of your distro.

It also requires Java version 11 or later.

To build the project manually using Maven, simply run the following command from the top-level directory:

mvn clean install

The default command will compile and run the unit tests. Running the tests can take some time, to skip them you can append -Dmaven.test.skip=true to the mvn command:

mvn clean install -Dmaven.test.skip=true

Stand-alone application (RCP) packages will be placed in rcp/org.eclipse.tracecompass.rcp.product/target/products.

The p2 update site, used for installation as plugins inside Eclipse, will be placed in releng/org.eclipse.tracecompass.releng-site/target/repository.

To generate the javadoc from the Trace Compass source code, run the following command from the top-level directory:

mvn compile javadoc:aggregate

The javadoc html files will be under target/site/apidocs.

Tracing Trace Compass

Trace Compass can be traced by doing the following in the launch configuration:

  • -vmargs
  • -Djava.util.logging.config.file=%gitroot%/logging.properties (where %gitroot% is the directory tracecompass is checked out to)
  • -Dorg.eclipse.tracecompass.logging=true

Additionally the folder the trace is being written to (default is home/.tracecompass/logs) needs to be created in advance. After running Trace Compass, a trace_n.json will be created in the tracing folder. It needs to be converted to true json, so use the jsonify.sh script in the root directory to convert it. Then it can be loaded into Trace Compass, if the Trace Event format is installed from the incubator, or from a web browser such as Chromium.

The performance impact is low enough as long as the log level is greater than "FINEST".

NOTE: thread 1 is always the UI thread for Trace Compass. Also, the thread numbers are the JVM threads and do not correspond necessarily to Process IDs.

Maven profiles and properties

The following Maven profiles and properties are defined in the build system. You can set them by using -P[profile name] and -D[property name]=[value] in mvn commands.

  • -Dtarget-platform=[target]

    Defines which target to use. This is used to build against various versions of the Eclipse platform. Available ones are in releng/org.eclipse.tracecompass.target. The default is usually the latest stable platform. To use the staging target for example, use -Dtarget-platform=tracecompass-eStaging.

NOTE: To support building for older platforms from the same source code tree, it is often required to modify the tracecompass.product file or the RCP feature.xml. You can find them under a sub-directory of the respective folders. For example, copy the legacy tracing.product: cp rcp/org.eclipse.tracecompass.rcp.product/legacy/tracing.product rcp/org.eclipse.tracecompass.rcp.product/

If you encounter a problem for a certain target, please contact the Trace Compass development team on the Trace Compass mailing list https://accounts.eclipse.org/mailing-list/tracecompass-dev.

  • -Dskip-tc-core-tests

    Skips the automated core tests. Not required when using -Dmaven.test.skip=true or -DskipTests=true , which already skips all the tests.

  • -Dskip-short-tc-ui-tests

    Skips the short UI integration tests. Not required when using -Dmaven.test.skip=true or -DskipTests=true, which already skips all the tests.

  • -Dskip-long-tc-ui-tests

    Skips the long UI integration tests. Not required when using -Dmaven.test.skip=true or -DskipTests=true, which already skips all the tests.

  • -Dskip-rcp

    Skips building the RCP archives and related deployment targets. Only works in conjunction with -Dskip-tc-long-ui-tests, due to a limitation in Maven.

  • -Pctf-grammar

    Re-compiles the CTF grammar files. This should be enabled if you modify the .g files in the ctf.parser plugin.

  • -Prun-custom-test-suite

    Runs a test suite present in releng/org.eclipse.tracecompass.alltests. The test suite to run has to be defined by -DcustomTestSuite=[name], for example -DcustomTestSuite=RunAllPerfTests.

  • -Pdeploy-rcp

    Mainly for use on build servers. Copies the generated RCP archives, as well as the RCP-specific update site, to the paths specified by -DrcpDestination=/absolute/path/to/destination and -DrcpSiteDestination=/absolute/path/to/destination, respectively.

  • -Pdeploy-update-site

    Mainly for use on build servers. Copies the standard update site (for the Eclipse plugin installation) to the destination specified by -DsiteDestination=/absolute/path/to/destination.

  • -Psign-update-site

    Mainly for use on build servers. Signs all the generated update sites using the Eclipse signing server.

  • -Pdeploy-doc

    Mainly for use on build servers. Copies the generated HTML documentation to the destination specified by -DdocDestination=/absolute/path/to/destination. Some directories may need to already exist at the destination (or Maven will throw related errors).

Build Trace Compass image with Docker

To compile the image of Trace Compass with Docker, run the following command from the top level directory:

docker build -f releng/dockerfiles/Dockerfile -t tracecompass .

The image will be tagged tracecompass.