Telemetry data it is stored in files on the user machine. Users can run the command, gotelemetry view, to view the data in a browser. The HTML page served by the command will generate graphs based on the local copies of report uploads and active counter files.
The static files are generated with a generator command in ./main.go. You can edit the source files and run go generate to rebuild them.
go generate ./cmd/gotelemetry/view
Running the server with the --dev flag will watch and rebuild the static files on save.
go run ./cmd/gotelemetry --dev view