Bug 891016 - Add a perf test that tracks nsIAppStartup's getStartupInfo data. r=bbondy

browser/metro/base/tests/mochiperf/Makefile.in

@@ -20,6 +20,7 @@ PERF_TEST_FILES = \
   browser_msgmgr_01.js \
   msgmanagerecho.js \
   browser_layers_01.js \
+  browser_firstx.js \
   $(NULL)
 
 PERF_RESOURCE_FILES = \

browser/metro/base/tests/mochiperf/browser_firstx.js

@@ -0,0 +1,29 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function test() {
+  let testDir = gTestPath.substr(0, gTestPath.lastIndexOf("/"));
+  Services.scriptloader.loadSubScript(testDir + "/perfhelpers.js", this);
+  runTests();
+}
+
+gTests.push({
+  desc: "first x metrics",
+  run: function run() {
+    PerfTest.declareTest("5F2A456E-2BB2-4073-A751-936F222FEAE0",
+                         "startup perf metrics", "browser", "ux",
+                         "Tracks various metrics reported by nsIAppStartup.getStartupInfo(). Values are in msec.");
+
+    let startup = Cc["@mozilla.org/toolkit/app-startup;1"].getService(Ci.nsIAppStartup).getStartupInfo();
+    PerfTest.declareNumericalResults([
+      { value: startup['start'] - startup.process, desc: "start" },
+      { value: startup['main'] - startup.process, desc: "main" },
+      { value: startup['startupCrashDetectionBegin'] - startup.process, desc: "startupCrashDetectionBegin" },
+      { value: startup['firstPaint'] - startup.process, desc: "firstPaint" },
+      { value: startup['sessionRestored'] - startup.process, desc: "sessionRestored" },
+      { value: startup['createTopLevelWindow'] - startup.process, desc: "createTopLevelWindow" },
+      { value: startup['firstLoadURI'] - startup.process, desc: "firstLoadURI" },
+    ]);
+  }
+});
+