Add a Talos test for displaylist mutation. (bug 1411804, r=jmaher, r=mattwoodrow)

2017-10-30 10:11:45 -07:00 · 2017-10-30 10:11:45 -07:00 · 5853a1cb55
--- a/testing/talos/talos.json
+++ b/testing/talos/talos.json
@ -47,7 +47,7 @@
            "talos_options": ["--disable-stylo"]
        },
        "g4-e10s": {
-            "tests": ["basic_compositor_video", "glvideo"]
+            "tests": ["basic_compositor_video", "glvideo", "displaylist_mutate"]
        },
        "g4-stylo-disabled-e10s": {
            "tests": ["basic_compositor_video", "glvideo"],
--- a/testing/talos/talos/test.py
+++ b/testing/talos/talos/test.py
@ -980,3 +980,26 @@ class tp6_facebook_heavy(tp6_facebook):
    tp6_facebook test ran against a heavy-user profile
    """
    profile = 'simple'
+
+
+@register_test()
+class displaylist_mutate(PageloaderTest):
+    """
+    Test modifying single items in a large display list. Measure transaction speed
+    to the compositor.
+    """
+    tpmanifest = '${talos}/tests/layout/displaylist_mutate.manifest'
+    tpcycles = 1
+    tppagecycles = 5
+    tploadnocache = True
+    tpmozafterpaint = False
+    tpchrome = False
+    gecko_profile_interval = 2
+    gecko_profile_entries = 2000000
+    win_counters = w7_counters = linux_counters = mac_counters = None
+    filters = filter.ignore_first.prepare(1) + filter.median.prepare()
+    """ASAP mode"""
+    preferences = {'layout.frame_rate': 0,
+                   'docshell.event_starvation_delay_hint': 1,
+                   'dom.send_after_paint_to_content': False}
+    unit = 'ms'
--- a/testing/talos/talos/tests/layout/benchmarks/displaylist_mutate.html
+++ b/testing/talos/talos/tests/layout/benchmarks/displaylist_mutate.html
@ -0,0 +1,68 @@
+<html>
+<head>
+<style>
+  div {
+    width:10px;
+    height:10px;
+    background-color:green;
+    display: inline-block;
+  }
+</style>
+</head>
+<body id="body">
+</body>
+<script>
+
+var start = null;
+var divCount = 10000;
+var maxIterations = 600;
+
+for (var i = 0; i < divCount; i++) {
+  var div = document.createElement("div");
+  div.id = i;
+  document.getElementById("body").appendChild(div);
+}
+
+var iteration = 0;
+function runFrame() {
+  if (document.getElementById(iteration).style.backgroundColor == "red") {
+    document.getElementById(iteration).style.backgroundColor = "green";
+  } else {
+    document.getElementById(iteration).style.backgroundColor = "red";
+  }
+  iteration++;
+  iteration = iteration % divCount;
+  if (--maxIterations == 0) {
+    var end = performance.now();
+    if (window.tpRecordTime) {
+      window.tpRecordTime(end - start, start);
+    }
+    if (parent.reportResults) {
+      parent.reportResults(end - start, start);
+    }
+    return;
+  }
+
+  window.requestAnimationFrame(runFrame);
+}
+
+addEventListener("load", function() {
+  try {
+    // Outside of talos, this throws a security exception which no-op this file.
+    // (It's not required nor allowed for addons since Firefox 17)
+    // It's used inside talos from non-privileged pages (like during tscroll),
+    // and it works because talos disables all/most security measures.
+    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+  } catch (e) {}
+
+  Components.utils.import("resource://gre/modules/Services.jsm");
+  Services.scriptloader.loadSubScript("chrome://talos-powers-content/content/TalosContentProfiler.js");
+
+  TalosContentProfiler.resume("displaylist_mutate.html loaded", true).then(() => {
+    start = performance.now();
+    window.requestAnimationFrame(runFrame);
+  });
+});
+
+</script>
+</html>
--- a/testing/talos/talos/tests/layout/displaylist_mutate.manifest
+++ b/testing/talos/talos/tests/layout/displaylist_mutate.manifest
@ -0,0 +1 @@
+% http://localhost/tests/layout/benchmarks/displaylist_mutate.html
				`@ -0,0 +1 @@`
				`% http://localhost/tests/layout/benchmarks/displaylist_mutate.html`