[gp-code] measure all sessions vs errored sessions

Author: filiptronicek

src/vs/gitpod/browser/workbench/workbench.html

@@ -49,6 +49,13 @@
 			}
 
 			const onVsCodeWorkbenchError = (event) => {
+				try {
+					if (!sessionStorage.getItem('gitpodSessionReportedError')) {
+						sessionStorage.setItem('gitpodSessionReportedError', 'true');
+						gitpodMetricsAddCounter('gitpod_supervisor_frontend_sessions_errored');
+					}
+				} catch {}
+
 				if (typeof event?.target?.getAttribute !== 'function') {
 					gitpodMetricsAddCounter('gitpod_supervisor_frontend_error_total');
 					return;
@@ -68,6 +75,15 @@
 				gitpodMetricsAddCounter('gitpod_supervisor_frontend_error_total', labels);
 			};
 
+			try {
+				if (!sessionStorage.getItem('gitpodSessionReportedLoad')) {
+					sessionStorage.setItem('gitpodSessionReportedLoad', 'true');
+					gitpodMetricsAddCounter('gitpod_supervisor_frontend_sessions_total');
+				}
+			} catch {}
+
+		</script>
+		<script>
 			performance.mark('code/didStartRenderer');
 		</script>
 		<meta charset="utf-8" />