diff --git a/src/vs/workbench/api/common/extHost.api.impl.ts b/src/vs/workbench/api/common/extHost.api.impl.ts
index 49ff0bdce96..0c5b1b5aca2 100644
--- a/src/vs/workbench/api/common/extHost.api.impl.ts
+++ b/src/vs/workbench/api/common/extHost.api.impl.ts
@@ -145,7 +145,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 	const extHostDocumentContentProviders = rpcProtocol.set(ExtHostContext.ExtHostDocumentContentProviders, new ExtHostDocumentContentProvider(rpcProtocol, extHostDocumentsAndEditors, extHostLogService));
 	const extHostDocumentSaveParticipant = rpcProtocol.set(ExtHostContext.ExtHostDocumentSaveParticipant, new ExtHostDocumentSaveParticipant(extHostLogService, extHostDocuments, rpcProtocol.getProxy(MainContext.MainThreadBulkEdits)));
 	const extHostNotebook = rpcProtocol.set(ExtHostContext.ExtHostNotebook, new ExtHostNotebookController(rpcProtocol, extHostCommands, extHostDocumentsAndEditors, extHostDocuments, extHostLogService, extensionStoragePaths));
-	const extHostNotebookKernels = rpcProtocol.set(ExtHostContext.ExtHostNotebookKernels, new ExtHostNotebookKernels(rpcProtocol, initData, extHostNotebook));
+	const extHostNotebookKernels = rpcProtocol.set(ExtHostContext.ExtHostNotebookKernels, new ExtHostNotebookKernels(rpcProtocol, initData, extHostNotebook, extHostLogService));
 	const extHostEditors = rpcProtocol.set(ExtHostContext.ExtHostEditors, new ExtHostEditors(rpcProtocol, extHostDocumentsAndEditors));
 	const extHostTreeViews = rpcProtocol.set(ExtHostContext.ExtHostTreeViews, new ExtHostTreeViews(rpcProtocol.getProxy(MainContext.MainThreadTreeViews), extHostCommands, extHostLogService));
 	const extHostEditorInsets = rpcProtocol.set(ExtHostContext.ExtHostEditorInsets, new ExtHostEditorInsets(rpcProtocol.getProxy(MainContext.MainThreadEditorInsets), extHostEditors, { ...initData.environment, remote: initData.remote }));
diff --git a/src/vs/workbench/api/common/extHostNotebookKernels.ts b/src/vs/workbench/api/common/extHostNotebookKernels.ts
index 3f91dd9e8f9..3e7373d7e1b 100644
--- a/src/vs/workbench/api/common/extHostNotebookKernels.ts
+++ b/src/vs/workbench/api/common/extHostNotebookKernels.ts
@@ -20,6 +20,7 @@ import { CellEditType, IImmediateCellEditOperation, NullablePartialNotebookCellM
 import { CancellationTokenSource } from 'vs/base/common/cancellation';
 import { NotebookCellExecutionState } from 'vs/workbench/api/common/extHostTypes';
 import { asArray } from 'vs/base/common/arrays';
+import { ILogService } from 'vs/platform/log/common/log';
 
 interface IKernelData {
 	extensionId: ExtensionIdentifier,
@@ -40,7 +41,8 @@ export class ExtHostNotebookKernels implements ExtHostNotebookKernelsShape {
 	constructor(
 		private readonly _mainContext: IMainContext,
 		private readonly _initData: IExtHostInitDataService,
-		private readonly _extHostNotebook: ExtHostNotebookController
+		private readonly _extHostNotebook: ExtHostNotebookController,
+		@ILogService private readonly _logService: ILogService,
 	) {
 		this._proxy = _mainContext.getProxy(MainContext.MainThreadNotebookKernels);
 	}
@@ -53,9 +55,12 @@ export class ExtHostNotebookKernels implements ExtHostNotebookKernelsShape {
 			}
 		}
 
+
 		const handle = this._handlePool++;
 		const that = this;
 
+		this._logService.trace(`NotebookController[${handle}], CREATED by ${extension.identifier.value}, ${id}`);
+
 		const _defaultExecutHandler = () => console.warn(`NO execute handler from notebook controller '${data.id}' of extension: '${extension.identifier}'`);
 
 		let isDisposed = false;
@@ -170,6 +175,7 @@ export class ExtHostNotebookKernels implements ExtHostNotebookKernelsShape {
 			},
 			dispose: () => {
 				if (!isDisposed) {
+					this._logService.trace(`NotebookController[${handle}], DISPOSED`);
 					isDisposed = true;
 					this._kernelData.delete(handle);
 					commandDisposables.dispose();
diff --git a/src/vs/workbench/test/browser/api/extHostNotebookKernel2.test.ts b/src/vs/workbench/test/browser/api/extHostNotebookKernel2.test.ts
index adf67d28a42..5bfdd1356c3 100644
--- a/src/vs/workbench/test/browser/api/extHostNotebookKernel2.test.ts
+++ b/src/vs/workbench/test/browser/api/extHostNotebookKernel2.test.ts
@@ -114,7 +114,8 @@ suite('NotebookKernel', function () {
 		extHostNotebookKernels = new ExtHostNotebookKernels(
 			rpcProtocol,
 			new class extends mock<IExtHostInitDataService>() { },
-			extHostNotebooks
+			extHostNotebooks,
+			new NullLogService()
 		);
 	});