[BlinkGC PerfTest] Add SVGLengthList stress test

Add a PerformanceTest to measure time taken by Blink GC to traverse a large SVGLengthList. BUG=420515 Review URL: https://codereview.chromium.org/773263004 git-svn-id: svn://svn.chromium.org/blink/trunk@186675 bbb929c8-8fbe-4397-9dbb-9b2b20218538
marcosholgado · Dec 8, 2014 · 121510f · 121510f
1 parent 17de41c
commit 121510f
Showing 1 changed file with 26 additions and 0 deletions.
diff --git a/third_party/WebKit/PerformanceTests/BlinkGC/stress-large-SVGLengthList.html b/third_party/WebKit/PerformanceTests/BlinkGC/stress-large-SVGLengthList.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Benchmark - Stress Blink GC</title>
+</head>
+<body>
+<script src="../resources/runner.js"></script>
+<script src="resources/measure-gc.js"></script>
+<script>
+var svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
+
+function createSVGLengthList() {
+    var text = document.createElementNS('http://www.w3.org/2000/svg', 'text');
+    return text.x.baseVal;
+}
+
+window.onload = function() {
+    var list = createSVGLengthList();
+    for (var i = 0; i < 500000; ++i)
+        list.appendItem(svg.createSVGLength());
+
+    PerfTestRunner.measureBlinkGCTime({description: 'Stress Blink GC by GCing a large SVGLengthList'});
+}
+</script>
+</body>
+</html>