Running a performance tool
You can run perftest-tools locally.
Running locally
You can run mach perftest-tools in a mozilla-central source checkout:
$ ./mach perftest-tools side-by-side --help
The mach command will bootstrap the installation of all required dependencies for the side-by-side tool to run.
The following arguments are required: -t/–test-name, –base-revision, –new-revision, –base-platform
The –help argument will explain more about what arguments you need to run in order to use the tool.