perf - have more marks for restoring editors

src/bootstrap-amd.js

@@ -73,6 +73,6 @@ exports.load = function (entrypoint, onLoad, onError) {
 	onLoad = onLoad || function () { };
 	onError = onError || function (err) { console.error(err); };
 
-	performance.mark(`code/fork/willLoadCode`);
+	performance.mark('code/fork/willLoadCode');
 	loader([entrypoint], onLoad, onError);
 };

src/vs/workbench/browser/layout.ts

@@ -737,6 +737,7 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 
 			// first ensure the editor part is ready
 			await this.editorGroupService.whenReady;
+			mark('code/restoreEditors/editorGroupsReady');
 
 			// apply editor layout if any
 			if (this.state.initialization.layout?.editors) {
@@ -753,6 +754,7 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 			// fully loaded.
 
 			const editors = await this.state.initialization.editor.editorsToOpen;
+			mark('code/restoreEditors/editorsToOpenResolved');
 
 			let openEditorsPromise: Promise<unknown> | undefined = undefined;
 			if (editors.length) {
@@ -789,8 +791,8 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 			// slow editors to resolve on startup
 			layoutRestoredPromises.push(
 				Promise.all([
-					openEditorsPromise,
-					this.editorGroupService.whenRestored
+					openEditorsPromise?.finally(() => mark('code/restoreEditors/editorsOpened')),
+					this.editorGroupService.whenRestored.finally(() => mark('code/restoreEditors/editorGroupsRestored'))
 				]).finally(() => {
 					// the `code/didRestoreEditors` perf mark is specifically
 					// for when visible editors have resolved, so we only mark

src/vs/workbench/contrib/files/browser/editors/textFileEditor.ts

@@ -35,6 +35,7 @@ import { ViewContainerLocation } from 'vs/workbench/common/views';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { IPreferencesService } from 'vs/workbench/services/preferences/common/preferences';
 import { IHostService } from 'vs/workbench/services/host/browser/host';
+import { IEditorOptions as ICodeEditorOptions } from 'vs/editor/common/config/editorOptions';
 
 /**
  * An implementation of editor for file system resources.
@@ -96,7 +97,7 @@ export class TextFileEditor extends AbstractTextCodeEditor<ICodeEditorViewState>
 	}
 
 	override async setInput(input: FileEditorInput, options: IFileEditorInputOptions | undefined, context: IEditorOpenContext, token: CancellationToken): Promise<void> {
-		mark(`code/willSetInputToTextFileEditor`);
+		mark('code/willSetInputToTextFileEditor');
 
 		// Set input and resolve
 		await super.setInput(input, options, context, token);
@@ -151,7 +152,7 @@ export class TextFileEditor extends AbstractTextCodeEditor<ICodeEditorViewState>
 			await this.handleSetInputError(error, input, options);
 		}
 
-		mark(`code/didSetInputToTextFileEditor`);
+		mark('code/didSetInputToTextFileEditor');
 	}
 
 	protected async handleSetInputError(error: Error, input: FileEditorInput, options: ITextEditorOptions | undefined): Promise<void> {
@@ -286,6 +287,14 @@ export class TextFileEditor extends AbstractTextCodeEditor<ICodeEditorViewState>
 		this.editorControl?.setModel(null);
 	}
 
+	protected override createEditorControl(parent: HTMLElement, initialOptions: ICodeEditorOptions): void {
+		mark('code/willCreateTextFileEditorControl');
+
+		super.createEditorControl(parent, initialOptions);
+
+		mark('code/didCreateTextFileEditorControl');
+	}
+
 	protected override tracksEditorViewState(input: EditorInput): boolean {
 		return input instanceof FileEditorInput;
 	}

src/vs/workbench/services/textfile/common/textFileEditorModel.ts

@@ -6,6 +6,7 @@
 import { localize } from 'vs/nls';
 import { Emitter } from 'vs/base/common/event';
 import { URI } from 'vs/base/common/uri';
+import { mark } from 'vs/base/common/performance';
 import { assertIsDefined, withNullAsUndefined } from 'vs/base/common/types';
 import { EncodingMode, ITextFileService, TextFileEditorModelState, ITextFileEditorModel, ITextFileStreamContent, ITextFileResolveOptions, IResolvedTextFileEditorModel, ITextFileSaveOptions, TextFileResolveReason, ITextFileEditorModelSaveEvent } from 'vs/workbench/services/textfile/common/textfiles';
 import { IRevertOptions, SaveReason, SaveSourceRegistry } from 'vs/workbench/common/editor';
@@ -275,6 +276,7 @@ export class TextFileEditorModel extends BaseTextEditorModel implements ITextFil
 
 	override async resolve(options?: ITextFileResolveOptions): Promise<void> {
 		this.trace('resolve() - enter');
+		mark('code/willResolveTextFileEditorModel');
 
 		// Return early if we are disposed
 		if (this.isDisposed()) {
@@ -292,7 +294,10 @@ export class TextFileEditorModel extends BaseTextEditorModel implements ITextFil
 			return;
 		}
 
-		return this.doResolve(options);
+		// Resolve either from backup or from file
+		await this.doResolve(options);
+
+		mark('code/didResolveTextFileEditorModel');
 	}
 
 	private async doResolve(options?: ITextFileResolveOptions): Promise<void> {