Bug 1601993 - Add Telemetry for the slow startup notification bar. r=jaws, data-review=mmccorquodale

Differential Revision: https://phabricator.services.mozilla.com/D64664

--HG--
extra : moz-landing-system : lando

browser/components/BrowserGlue.jsm

@@ -1249,14 +1249,23 @@ BrowserGlue.prototype = {
   },
 
   _trackSlowStartup() {
-    if (
-      Services.startup.interrupted ||
-      Services.prefs.getBoolPref("browser.slowStartup.notificationDisabled")
-    ) {
+    let disabled = Services.prefs.getBoolPref(
+      "browser.slowStartup.notificationDisabled"
+    );
+
+    Services.telemetry.scalarSet(
+      "browser.startup.slow_startup_notification_disabled",
+      disabled
+    );
+
+    if (Services.startup.interrupted || disabled) {
       return;
     }
 
     let currentTime = Math.round(Cu.now());
+
+    Services.telemetry.scalarSet("browser.startup.recorded_time", currentTime);
+
     let averageTime = 0;
     let samples = 0;
     try {
@@ -1270,6 +1279,8 @@ BrowserGlue.prototype = {
     samples++;
     averageTime = totalTime / samples;
 
+    Services.telemetry.scalarSet("browser.startup.average_time", averageTime);
+
     if (
       samples >= Services.prefs.getIntPref("browser.slowStartup.maxSamples")
     ) {
@@ -1311,6 +1322,10 @@ BrowserGlue.prototype = {
   _showSlowStartupNotification(profileAge) {
     if (profileAge < 90) {
       // 3 months
+      Services.telemetry.scalarSet(
+        "browser.startup.too_new_for_notification",
+        true
+      );
       return;
     }
 
@@ -1319,6 +1334,15 @@ BrowserGlue.prototype = {
       return;
     }
 
+    Services.telemetry.scalarSet("browser.startup.slow_startup_notified", true);
+
+    const NO_ACTION = 0;
+    const OPENED_SUMO = 1;
+    const NEVER_SHOW_AGAIN = 2;
+    const DISMISS_NOTIFICATION = 3;
+
+    Services.telemetry.scalarSet("browser.startup.action", NO_ACTION);
+
     let productName = gBrandBundle.GetStringFromName("brandFullName");
     let message = win.gNavigatorBundle.getFormattedString(
       "slowStartup.message",
@@ -1332,6 +1356,7 @@ BrowserGlue.prototype = {
           "slowStartup.helpButton.accesskey"
         ),
         callback() {
+          Services.telemetry.scalarSet("browser.startup.action", OPENED_SUMO);
           win.openTrustedLinkIn(
             "https://support.mozilla.org/kb/reset-firefox-easily-fix-most-problems",
             "tab"
@@ -1346,6 +1371,10 @@ BrowserGlue.prototype = {
           "slowStartup.disableNotificationButton.accesskey"
         ),
         callback() {
+          Services.telemetry.scalarSet(
+            "browser.startup.action",
+            NEVER_SHOW_AGAIN
+          );
           Services.prefs.setBoolPref(
             "browser.slowStartup.notificationDisabled",
             true
@@ -1354,12 +1383,22 @@ BrowserGlue.prototype = {
       },
     ];
 
+    let closeCallback = closeType => {
+      if (closeType == "dismissed") {
+        Services.telemetry.scalarSet(
+          "browser.startup.action",
+          DISMISS_NOTIFICATION
+        );
+      }
+    };
+
     win.gNotificationBox.appendNotification(
       message,
       "slow-startup",
       "chrome://browser/skin/slowStartup-16.png",
       win.gNotificationBox.PRIORITY_INFO_LOW,
-      buttons
+      buttons,
+      closeCallback
     );
   },
 

toolkit/components/telemetry/Scalars.yaml

@@ -443,6 +443,101 @@ browser.engagement.navigation:
     record_in_processes:
       - 'main'
 
+browser.startup:
+  slow_startup_notification_disabled:
+    bug_numbers:
+      - 1601993
+    description:
+      Whether the slow startup notification bar is disabled for the user.
+    expires: "78"
+    kind: boolean
+    notification_emails:
+      - mconley@mozilla.com
+    release_channel_collection: opt-out
+    products:
+      - 'firefox'
+    record_in_processes:
+      - 'main'
+
+  too_new_for_notification:
+    bug_numbers:
+      - 1601993
+    description:
+      Whether the slow startup notification bar was suppressed because the profile is too new.
+    expires: "78"
+    kind: boolean
+    notification_emails:
+      - mconley@mozilla.com
+    release_channel_collection: opt-out
+    products:
+      - 'firefox'
+    record_in_processes:
+      - 'main'
+
+  slow_startup_notified:
+    bug_numbers:
+      - 1601993
+    description:
+      Whether the slow startup notification bar was shown to the user during this session.
+    expires: "78"
+    kind: boolean
+    notification_emails:
+      - mconley@mozilla.com
+    release_channel_collection: opt-out
+    products:
+      - 'firefox'
+    record_in_processes:
+      - 'main'
+
+  recorded_time:
+    bug_numbers:
+      - 1601993
+    description: >
+      The startup time computed by the slow startup notification bar in milliseconds.
+    expires: "78"
+    kind: uint
+    notification_emails:
+      - mconley@mozilla.com
+    release_channel_collection: opt-out
+    products:
+      - 'firefox'
+    record_in_processes:
+      - 'main'
+
+  average_time:
+    bug_numbers:
+      - 1601993
+    description: >
+      The average startup time computed by the slow startup notification bar in milliseconds.
+    expires: "78"
+    kind: uint
+    notification_emails:
+      - mconley@mozilla.com
+    release_channel_collection: opt-out
+    products:
+      - 'firefox'
+    record_in_processes:
+      - 'main'
+
+  action:
+    bug_numbers:
+      - 1601993
+    description: >
+      The action that the user took with the slow startup notification bar.
+      0: No action (default)
+      1: User chose to open SUMO document on slow startup
+      2: User chose to never show the notification bar again
+      3: User dismissed the notification bar
+    expires: "78"
+    kind: uint
+    notification_emails:
+      - mconley@mozilla.com
+    release_channel_collection: opt-out
+    products:
+      - 'firefox'
+    record_in_processes:
+      - 'main'
+
 # The following section contains the browser usage scalars.
 browser.usage:
   graphite: