+2012-06-04 Alexei Filippov <alexeif@chromium.org>
+
+ Web Inspector: speed up _calculateRetainedSizes function
+ https://bugs.webkit.org/show_bug.cgi?id=87863
+
+ Reviewed by Yury Semikhatsky.
+
+ * inspector/heap-snapshot-advanced.html: Added.
+ * inspector/heap-snapshot-performance-test.js: Copied from PerformanceTests/inspector/heap-snapshot.html.
+ (test.performanceTest.step0):
+ (test.performanceTest.step1):
+ (test.performanceTest.step2):
+ (test.performanceTest.cleanup):
+ (test.performanceTest.done):
+ (test.performanceTest):
+ (test):
+ * inspector/heap-snapshot.html:
+
2012-06-03 Kentaro Hara <haraken@chromium.org>
[perf-test] Add a benchmark of querySelector() for an element that appears in the depths in the document
--- /dev/null
+<html>
+<head>
+ <script src="../../LayoutTests/http/tests/inspector/inspector-test.js"></script>
+ <script src="../../LayoutTests/inspector/profiler/heap-snapshot-test.js"></script>
+ <script src="performance-test.js"></script>
+ <script src="heap-snapshot-performance-test.js"></script>
+<script>
+
+function makeLinkedList(n)
+{
+ var node = {};
+ while (--n)
+ node = { next: node };
+ return node;
+}
+
+function makeDoubleLinkedList(n)
+{
+ var tail = {};
+ var head = tail;
+ while (--n) {
+ head = { next: head };
+ head.next.prev = head;
+ }
+ return { head: head, tail: tail };
+}
+
+var list = makeLinkedList(20000);
+var double_list = makeDoubleLinkedList(5000);
+
+</script>
+</head>
+<body onload="runTest()">
+</body>
+</html>
--- /dev/null
+function test()
+{
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildRetainers");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildDominatedNodes");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_calculateFlags");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildAggregates");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_calculateClassesRetainedSize");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_calculateObjectToWindowDistance");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_calculateRetainedSizes");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_markDetachedDOMTreeNodes");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_markQueriableHeapObjects");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_markPageOwnedNodes");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_splitNodesAndContainmentEdges");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildPostOrderIndex");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildDominatorTree");
+ InspectorTest.measureFunction(WebInspector.HeapSnapshotConstructorsDataGrid.prototype, "_aggregatesReceived");
+
+ function performanceTest(timer)
+ {
+ var transferTimerCookie;
+ var showTimerCookie;
+ var changeViewTimerCookie;
+ var clearTimerCookie;
+
+ var testName = /([^\/]+)\.html$/.exec(WebInspector.inspectedPageURL)[1];
+ var fullTimerCookie = timer.start("full-summary-snapshot-time");
+ var backendTimerCookie = timer.start("take-snapshot");
+ ProfilerAgent.takeHeapSnapshot(step0);
+
+ function step0()
+ {
+ timer.finish(backendTimerCookie);
+ transferTimerCookie = timer.start("transfer-snapshot");
+ var profiles = WebInspector.panels.profiles.getProfiles("HEAP");
+ WebInspector.panels.profiles.showProfile(profiles[profiles.length - 1]);
+ InspectorTest.addSniffer(WebInspector.panels.profiles, "_finishHeapSnapshot", step1);
+ }
+
+ function step1(uid)
+ {
+ timer.finish(transferTimerCookie);
+ showTimerCookie = timer.start("show-snapshot");
+ var panel = WebInspector.panels.profiles;
+ var profile = panel._profilesIdMap[panel._makeKey(uid, WebInspector.HeapSnapshotProfileType.TypeId)];
+ profile.load(step2); // Add load callback.
+ }
+
+ function step2()
+ {
+ timer.finish(showTimerCookie);
+ changeViewTimerCookie = timer.start("switch-to-containment-view");
+ InspectorTest.switchToView("Containment", cleanup);
+ }
+
+ function cleanup()
+ {
+ timer.finish(changeViewTimerCookie);
+ timer.finish(fullTimerCookie);
+ clearTimerCookie = timer.start("clear-snapshot");
+ ProfilerAgent.clearProfiles(done);
+ WebInspector.panels.profiles._reset();
+ }
+
+ function done()
+ {
+ timer.finish(clearTimerCookie);
+ timer.done(testName);
+ }
+ }
+
+ InspectorTest.runPerformanceTest(performanceTest, 60000);
+}
<script src="../../LayoutTests/http/tests/inspector/inspector-test.js"></script>
<script src="../../LayoutTests/inspector/profiler/heap-snapshot-test.js"></script>
<script src="performance-test.js"></script>
+ <script src="heap-snapshot-performance-test.js"></script>
<script>
-function test()
-{
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildRetainers");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildDominatedNodes");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_calculateFlags");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildAggregates");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_calculateClassesRetainedSize");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_calculateObjectToWindowDistance");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_calculateRetainedSizes");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_markDetachedDOMTreeNodes");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_markQueriableHeapObjects");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_markPageOwnedNodes");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_splitNodesAndContainmentEdges");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildPostOrderIndex");
- InspectorTest.measureFunction(WebInspector.HeapSnapshot.prototype, "_buildDominatorTree");
- InspectorTest.measureFunction(WebInspector.HeapSnapshotConstructorsDataGrid.prototype, "_aggregatesReceived");
-
- function performanceTest(timer)
- {
- var transferTimerCookie;
- var showTimerCookie;
- var changeViewTimerCookie;
- var clearTimerCookie;
-
- var fullTimerCookie = timer.start("full-summary-snapshot-time");
- var backendTimerCookie = timer.start("take-snapshot");
- ProfilerAgent.takeHeapSnapshot(step0);
-
- function step0()
- {
- timer.finish(backendTimerCookie);
- transferTimerCookie = timer.start("transfer-snapshot");
- var profiles = WebInspector.panels.profiles.getProfiles("HEAP");
- WebInspector.panels.profiles.showProfile(profiles[profiles.length - 1]);
- InspectorTest.addSniffer(WebInspector.panels.profiles, "_finishHeapSnapshot", step1);
- }
-
- function step1(uid)
- {
- timer.finish(transferTimerCookie);
- showTimerCookie = timer.start("show-snapshot");
- var panel = WebInspector.panels.profiles;
- var profile = panel._profilesIdMap[panel._makeKey(uid, WebInspector.HeapSnapshotProfileType.TypeId)];
- profile.load(step2); // Add load callback.
- }
-
- function step2()
- {
- timer.finish(showTimerCookie);
- changeViewTimerCookie = timer.start("switch-to-containment-view");
- InspectorTest.switchToView("Containment", cleanup);
- }
-
- function cleanup()
- {
- timer.finish(changeViewTimerCookie);
- timer.finish(fullTimerCookie);
- clearTimerCookie = timer.start("clear-snapshot");
- ProfilerAgent.clearProfiles(done);
- WebInspector.panels.profiles._reset();
- }
-
- function done()
- {
- timer.finish(clearTimerCookie);
- timer.done("heap-snapshot");
- }
- }
-
- InspectorTest.runPerformanceTest(performanceTest, 60000);
-}
-
var counter = 0;
function makeObjectsTree(deep)
+2012-06-04 Alexei Filippov <alexeif@chromium.org>
+
+ Web Inspector: speed up _calculateRetainedSizes function
+ https://bugs.webkit.org/show_bug.cgi?id=87863
+
+ Reviewed by Yury Semikhatsky.
+
+ * inspector/front-end/HeapSnapshot.js:
+ (WebInspector.HeapSnapshot.prototype._calculateRetainedSizes):
+
2012-06-04 Yury Semikhatsky <yurys@chromium.org>
Web Inspector: add unknown size to the memory pie-chart legend
var result = this._buildPostOrderIndex();
// Actually it is array that maps node ordinal number to dominator node ordinal number.
this._dominatorsTree = this._buildDominatorTree(result.postOrderIndex2NodeOrdinal, result.nodeOrdinal2PostOrderIndex);
- this._calculateRetainedSizes();
+ this._calculateRetainedSizes(result.postOrderIndex2NodeOrdinal);
this._buildDominatedNodes();
},
return dominatorsTree;
},
- _calculateRetainedSizes: function()
+ _calculateRetainedSizes: function(postOrderIndex2NodeOrdinal)
{
- // As for the dominators tree we only know parent nodes, not
- // children, to sum up total sizes we "bubble" node's self size
- // adding it to all of its parents.
+ var nodeCount = this.nodeCount;
var nodes = this._nodes;
var nodeSelfSizeOffset = this._nodeSelfSizeOffset;
var nodeFieldCount = this._nodeFieldCount;
var dominatorsTree = this._dominatorsTree;
- var retainedSizes = new Uint32Array(this.nodeCount);
+ var retainedSizes = this._retainedSizes = new Uint32Array(nodeCount);
var rootNodeOrdinal = this._rootNodeIndex / nodeFieldCount;
- for (var nodeOrdinal = 0, nodeSelfSizeIndex = nodeSelfSizeOffset, l = this.nodeCount;
- nodeOrdinal < l;
- ++nodeOrdinal, nodeSelfSizeIndex += nodeFieldCount) {
- var nodeSelfSize = nodes[nodeSelfSizeIndex];
- var currentNodeOrdinal = nodeOrdinal;
- retainedSizes[currentNodeOrdinal] += nodeSelfSize;
- do {
- currentNodeOrdinal = dominatorsTree[currentNodeOrdinal];
- retainedSizes[currentNodeOrdinal] += nodeSelfSize;
- } while (currentNodeOrdinal !== rootNodeOrdinal);
+ retainedSizes[rootNodeOrdinal] = nodes[this._rootNodeIndex + nodeSelfSizeOffset];
+ // Propagate retained sizes for each node excluding root, as it refers to self.
+ for (var postOrderIndex = 0; postOrderIndex < nodeCount - 1; ++postOrderIndex) {
+ var nodeOrdinal = postOrderIndex2NodeOrdinal[postOrderIndex];
+ var dominatorOrdinal = dominatorsTree[nodeOrdinal];
+ retainedSizes[nodeOrdinal] += nodes[nodeOrdinal * nodeFieldCount + nodeSelfSizeOffset];
+ retainedSizes[dominatorOrdinal] += retainedSizes[nodeOrdinal];
}
- this._retainedSizes = retainedSizes;
},
_buildDominatedNodes: function()
projects / profile / ivi / webkit-efl.git / commitdiff