add trace logging to know what keybinding triggers what command, fyi @alexdima

src/vs/editor/standalone/browser/simpleServices.ts

@@ -46,6 +46,7 @@ import { SimpleServicesNLS } from 'vs/editor/common/standaloneStrings';
 import { ClassifiedEvent, StrictPropertyCheck, GDPRClassification } from 'vs/platform/telemetry/common/gdprTypings';
 import { basename } from 'vs/base/common/resources';
 import { ICodeEditorService } from 'vs/editor/browser/services/codeEditorService';
+import { NullLogService } from 'vs/platform/log/common/log';
 
 export class SimpleModel implements IResolvedTextEditorModel {
 
@@ -292,7 +293,7 @@ export class StandaloneKeybindingService extends AbstractKeybindingService {
 		notificationService: INotificationService,
 		domNode: HTMLElement
 	) {
-		super(contextKeyService, commandService, telemetryService, notificationService);
+		super(contextKeyService, commandService, telemetryService, notificationService, new NullLogService());
 
 		this._cachedResolver = null;
 		this._dynamicKeybindings = [];

src/vs/platform/keybinding/common/abstractKeybindingService.ts

@@ -17,6 +17,7 @@ import { ResolvedKeybindingItem } from 'vs/platform/keybinding/common/resolvedKe
 import { INotificationService } from 'vs/platform/notification/common/notification';
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { WorkbenchActionExecutedEvent, WorkbenchActionExecutedClassification } from 'vs/base/common/actions';
+import { ILogService } from 'vs/platform/log/common/log';
 
 interface CurrentChord {
 	keypress: string;
@@ -44,6 +45,7 @@ export abstract class AbstractKeybindingService extends Disposable implements IK
 		protected _commandService: ICommandService,
 		protected _telemetryService: ITelemetryService,
 		private _notificationService: INotificationService,
+		protected _logService: ILogService,
 	) {
 		super();
 
@@ -177,6 +179,8 @@ export abstract class AbstractKeybindingService extends Disposable implements IK
 		const keypressLabel = keybinding.getLabel();
 		const resolveResult = this._getResolver().resolve(contextValue, currentChord, firstPart);
 
+		this._logService.trace('KeybindingService#dispatch', keypressLabel, resolveResult?.commandId);
+
 		if (resolveResult && resolveResult.enterChord) {
 			shouldPreventDefault = true;
 			this._enterChordMode(firstPart, keypressLabel);

src/vs/platform/keybinding/test/common/abstractKeybindingService.test.ts

@@ -16,6 +16,7 @@ import { USLayoutResolvedKeybinding } from 'vs/platform/keybinding/common/usLayo
 import { INotification, INotificationService, IPromptChoice, IPromptOptions, NoOpNotification, IStatusMessageOptions } from 'vs/platform/notification/common/notification';
 import { NullTelemetryService } from 'vs/platform/telemetry/common/telemetryUtils';
 import { Disposable } from 'vs/base/common/lifecycle';
+import { NullLogService } from 'vs/platform/log/common/log';
 
 function createContext(ctx: any) {
 	return {
@@ -36,7 +37,7 @@ suite('AbstractKeybindingService', () => {
 			commandService: ICommandService,
 			notificationService: INotificationService
 		) {
-			super(contextKeyService, commandService, NullTelemetryService, notificationService);
+			super(contextKeyService, commandService, NullTelemetryService, notificationService, new NullLogService());
 			this._resolver = resolver;
 		}
 

src/vs/workbench/services/keybinding/browser/keybindingService.ts

@@ -194,7 +194,7 @@ export class WorkbenchKeybindingService extends AbstractKeybindingService {
 		@ILogService logService: ILogService,
 		@IKeymapService private readonly keymapService: IKeymapService
 	) {
-		super(contextKeyService, commandService, telemetryService, notificationService);
+		super(contextKeyService, commandService, telemetryService, notificationService, logService);
 
 		this.updateSchema();