src/vs/workbench/contrib/performance/electron-sandbox/startupProfiler.ts/StartupProfiler/_createPerfIssue
class StartupProfiler:	private async _createPerfIssue(files: string[]): Promise<void> {
		const reportIssueUrl = this._productService.reportIssueUrl;
		if (!reportIssueUrl) {
			return;
		}

		const ref = await this._textModelResolverService.createModelReference(PerfviewInput.Uri);
		try {
			await this._clipboardService.writeText(ref.object.textEditorModel.getValue());
		} finally {
			ref.dispose();
		}

		const body = `
1. :warning: We have copied additional data to your clipboard. Make sure to **paste** here. :warning:
1. :warning: Make sure to **attach** these files from your *home*-directory: :warning:\n${files.map(file => `-\`${file}\``).join('\n')}
`;

		const baseUrl = reportIssueUrl;
		const queryStringPrefix = baseUrl.indexOf('?') === -1 ? '?' : '&';

		this._openerService.open(URI.parse(`${baseUrl}${queryStringPrefix}body=${encodeURIComponent(body)}`));
	}