From dd4722161ec8db80686f01a2d14c61779f139767 Mon Sep 17 00:00:00 2001
From: Ovidiu Viorel Iepure <ovidiu.iepure@liverail.com>
Date: Thu, 1 Sep 2016 11:11:38 -0700
Subject: [PATCH] Telemetry for update bundle event

Summary: Updating an existing bundle is now logged as a telemetric event.

Reviewed By: davidaurelio

Differential Revision: D3804754

fbshipit-source-id: adab3b054a161bd9535ad01d52573fb7bb177d43
---
 react-packager/src/Server/index.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/react-packager/src/Server/index.js b/react-packager/src/Server/index.js
index aa4e3279..164b0e13 100644
--- a/react-packager/src/Server/index.js
+++ b/react-packager/src/Server/index.js
@@ -510,6 +510,16 @@ class Server {
         const deps = bundleDeps.get(bundle);
         const {dependencyPairs, files, idToIndex, outdated} = deps;
         if (outdated.size) {
+          const updateExistingBundleEventId =
+            Activity.startEvent(
+              'Updating existing bundle',
+              {
+                outdatedModules: outdated.size,
+              },
+              {
+                telemetric: true,
+              },
+            );
           debug('Attempt to update existing bundle');
           const changedModules =
             Array.from(outdated, this.getModuleForPath, this);
@@ -565,6 +575,7 @@ class Server {
 
                 bundle.invalidateSource();
                 debug('Successfully updated existing bundle');
+                Activity.endEvent(updateExistingBundleEventId);
                 return bundle;
             });
           }).catch(e => {