diff --git a/src/vs/workbench/services/timer/common/timerService.ts b/src/vs/workbench/services/timer/common/timerService.ts
index a02d7249cf915d8b55e811727cac52020e86a1f4..a337b25bf2764a0ed481d000d864db71bec7ed90 100644
--- a/src/vs/workbench/services/timer/common/timerService.ts
+++ b/src/vs/workbench/services/timer/common/timerService.ts
@@ -33,6 +33,7 @@ export interface IStartupMetrics {
 	timers2: { [name: string]: number };
 	platform: string;
 	release: string;
+	arch: string;
 	totalmem: number;
 	freemem: number;
 	meminfo: IMemoryInfo;
diff --git a/src/vs/workbench/services/timer/node/timerService.ts b/src/vs/workbench/services/timer/node/timerService.ts
index ac011f4ca08f7fed08b8d1fa1215187f0885e99a..df515fb4b84171884285c02cd9e75b51956bfa2b 100644
--- a/src/vs/workbench/services/timer/node/timerService.ts
+++ b/src/vs/workbench/services/timer/node/timerService.ts
@@ -68,6 +68,7 @@ export class TimerService implements ITimerService {
 		let cpus: { count: number; speed: number; model: string; };
 		let platform: string;
 		let release: string;
+		let arch: string;
 		let loadavg: number[];
 		let meminfo: IMemoryInfo;
 		let isVMLikelyhood: number;
@@ -77,6 +78,7 @@ export class TimerService implements ITimerService {
 			freemem = os.freemem();
 			platform = os.platform();
 			release = os.release();
+			arch = os.arch();
 			loadavg = os.loadavg();
 			meminfo = process.getProcessMemoryInfo();
 
@@ -112,6 +114,7 @@ export class TimerService implements ITimerService {
 			timers2,
 			platform,
 			release,
+			arch,
 			totalmem,
 			freemem,
 			meminfo,