Flashlight

Flashlight is a command line tool that scans the provided java classpath and identifies 'interesting' methods to instrument with OpenTelemetry.

Installation

Download the latest release.

Usage

Maven:

java -jar flashlight.jar **/target/classes/

Gradle:

java -jar flashlight.jar **/build/classes/java/main/

All options:

java -jar flashlight.jar [-hV] [-b=NUMBER] [-c=NUMBER] <paths>...

      <paths>...        the folders or jar files to scan
  -b, --branch=NUMBER   number of branch (if/while/for) instructions considered
                          interesting (default: 5)
  -c, --call=NUMBER     number of method call instructions considered
                          interesting (default: 10)
  -h, --help            Show this help message and exit.
  -V, --version         Print version information and exit.

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

Note: If there is sufficient interest, this project can be donated to OpenTelemetry.

License

Apache 2.0