have window id for renderer and exthost processes

src/vs/workbench/api/node/extHost.protocol.ts

@@ -76,6 +76,7 @@ export interface IInitData {
 	extensions: IExtensionDescription[];
 	configuration: IConfigurationInitData;
 	telemetryInfo: ITelemetryInfo;
+	windowId: number;
 	args: ParsedArgs;
 	execPath: string;
 }

src/vs/workbench/electron-browser/main.ts

@@ -73,12 +73,13 @@ function openWorkbench(configuration: IWindowConfiguration): TPromise<void> {
 	const mainServices = createMainProcessServices(mainProcessClient);
 
 	const environmentService = new EnvironmentService(configuration, configuration.execPath);
-	const logService = new SpdLogService('renderer', environmentService);
+	const logService = new SpdLogService(`renderer${currentWindowId}`, environmentService);
 	logService.info('openWorkbench', JSON.stringify(configuration));
 
 	// Since the configuration service is one of the core services that is used in so many places, we initialize it
 	// right before startup of the workbench shell to have its data ready for consumers
 	return createAndInitializeWorkspaceService(configuration, environmentService).then(workspaceService => {
+
 		const timerService = new TimerService((<any>window).MonacoEnvironment.timers as IInitData, workspaceService.getWorkbenchState() === WorkbenchState.EMPTY);
 		const storageService = createStorageService(workspaceService, environmentService);
 

src/vs/workbench/node/extensionHostMain.ts

@@ -86,7 +86,8 @@ export class ExtensionHostMain {
 		const threadService = new ExtHostThreadService(rpcProtocol);
 		const extHostWorkspace = new ExtHostWorkspace(threadService, initData.workspace);
 		const environmentService = new EnvironmentService(initData.args, initData.execPath);
-		const logService = new SpdLogService('exthost', environmentService);
+		const logService = new SpdLogService(`exthost${initData.windowId}`, environmentService);
+		logService.info('main', JSON.stringify(initData));
 
 		this._extHostConfiguration = new ExtHostConfiguration(threadService.get(MainContext.MainThreadConfiguration), extHostWorkspace, initData.configuration);
 		this._extensionService = new ExtHostExtensionService(initData, threadService, extHostWorkspace, this._extHostConfiguration, logService);

src/vs/workbench/services/extensions/electron-browser/extensionHost.ts

@@ -365,7 +365,8 @@ export class ExtensionHostProcessWorker {
 				configuration: !this._environmentService.isBuilt || this._environmentService.isExtensionDevelopment ? { ...configurationData, configurationScopes: getScopes(this._configurationService.keys().default) } : configurationData,
 				telemetryInfo,
 				args: this._environmentService.args,
-				execPath: this._environmentService.execPath
+				execPath: this._environmentService.execPath,
+				windowId: this._windowService.getCurrentWindowId()
 			};
 			return r;
 		});