Fixes microsoft#171966 (microsoft#172549)

Author: hediet

src/vs/editor/contrib/inlineCompletions/browser/ghostTextHoverParticipant.ts

@@ -20,6 +20,7 @@ import * as nls from 'vs/nls';
 import { IAccessibilityService } from 'vs/platform/accessibility/common/accessibility';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
 import { IOpenerService } from 'vs/platform/opener/common/opener';
+import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 
 export class InlineCompletionsHover implements IHoverPart {
 	constructor(
@@ -71,7 +72,8 @@ export class InlineCompletionsHoverParticipant implements IEditorHoverParticipan
 		@ILanguageService private readonly _languageService: ILanguageService,
 		@IOpenerService private readonly _openerService: IOpenerService,
 		@IAccessibilityService private readonly accessibilityService: IAccessibilityService,
-		@IInstantiationService private readonly _instantiationService: IInstantiationService
+		@IInstantiationService private readonly _instantiationService: IInstantiationService,
+		@ITelemetryService private readonly _telemetryService: ITelemetryService,
 	) {
 	}
 
@@ -121,6 +123,11 @@ export class InlineCompletionsHoverParticipant implements IEditorHoverParticipan
 		const disposableStore = new DisposableStore();
 		const part = hoverParts[0];
 
+		this._telemetryService.publicLog2<{}, {
+			owner: 'hediet';
+			comment: 'This event tracks whenever an inline completion hover is shown.';
+		}>('inlineCompletionHover.shown');
+
 		if (this.accessibilityService.isScreenReaderOptimized()) {
 			this.renderScreenReaderText(context, part, disposableStore);
 		}

src/vs/editor/contrib/inlineCompletions/browser/inlineSuggestionHintsWidget.ts

@@ -167,6 +167,7 @@ export class InlineSuggestionHintsContentWidget extends Disposable implements IC
 			actionViewItemProvider: (action, options) => {
 				return action instanceof MenuItemAction ? instantiationService.createInstance(StatusBarViewItem, action, undefined) : undefined;
 			},
+			telemetrySource: 'InlineSuggestionToolbar',
 		}));
 
 		this._register(this.toolBar.onDidChangeDropdownVisibility(e => {