Instrument sync (microsoft#167117)

Author: digitarald

src/vs/platform/userDataSync/common/userDataAutoSyncService.ts

@@ -25,6 +25,7 @@ type AutoSyncClassification = {
 	owner: 'sandy081';
 	comment: 'Information about the sources triggering auto sync';
 	sources: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; isMeasurement: true; comment: 'Source that triggered auto sync' };
+	providerId: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; isMeasurement: true; comment: 'Auth provider id used for sync' };
 };
 
 type AutoSyncErrorClassification = {
@@ -354,7 +355,8 @@ export class UserDataAutoSyncService extends Disposable implements IUserDataAuto
 		this.sources.push(...sources);
 		return this.syncTriggerDelayer.trigger(async () => {
 			this.logService.trace('activity sources', ...this.sources);
-			this.telemetryService.publicLog2<{ sources: string[] }, AutoSyncClassification>('sync/triggered', { sources: this.sources });
+			const providerId = this.userDataSyncAccountService.account?.authenticationProviderId || '';
+			this.telemetryService.publicLog2<{ sources: string[]; providerId: string }, AutoSyncClassification>('sync/triggered', { sources: this.sources, providerId });
 			this.sources = [];
 			if (this.autoSync.value) {
 				await this.autoSync.value.sync('Activity', disableCache);