Added ProfileView object for performing sorting, searching and filtering operations on a profile.

test/mjsunit/tools/profileview.js

Index: test/mjsunit/tools/profileview.js
diff --git a/test/mjsunit/tools/profileview.js b/test/mjsunit/tools/profileview.js
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+// Copyright 2009 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Load source code files from <project root>/tools.
+// Files: tools/profile.js tools/profileview.js
+
+
+function createNode(name, time, opt_parent) {
+  var node = new devtools.profiler.ProfileView.Node(name, time, time, null);
+  if (opt_parent) {
+    opt_parent.addChild(node);
+  }
+  return node;
+}
+
+
+(function testSorting() {
+   //
+   // Build a tree:
+   //   root             +--c/5
+   //    |               |
+   //    +--a/2  +--b/3--+--d/4
+   //    |       |       |
+   //    +--a/1--+--c/1  +--d/2
+   //    |       |
+   //    +--c/1  +--b/2
+   //
+   // So we can sort it using 2 fields: name and time.
+   var root = createNode('root', 0);
+   createNode('a', 2, root);
+   var a1 = createNode('a', 1, root);
+   createNode('c', 1, root);
+   var b3 = createNode('b', 3, a1);
+   createNode('c', 1, a1);
+   createNode('b', 2, a1);
+   createNode('c', 5, b3);
+   createNode('d', 4, b3);
+   createNode('d', 2, b3);
+
+   var view = new devtools.profiler.ProfileView(root);
+   var flatTree = [];
+
+   function fillFlatTree(node) {
+     flatTree.push(node.internalFuncName);
+     flatTree.push(node.selfTime);
+   }
+
+   view.traverse(fillFlatTree);
+   assertEquals(
+     ['root', 0,
+      'a', 2, 'a', 1, 'c', 1,
+      'b', 3, 'c', 1, 'b', 2,
+      'c', 5, 'd', 4, 'd', 2], flatTree);
+
+   function cmpStrs(s1, s2) {
+     return s1 == s2 ? 0 : (s1 < s2 ? -1 : 1);
+   }
+
+   view.sort(function(n1, n2) {
+     return cmpStrs(n1.internalFuncName, n2.internalFuncName) ||
+         (n1.selfTime - n2.selfTime);
+   });
+
+   flatTree = [];
+   view.traverse(fillFlatTree);
+   assertEquals(
+     ['root', 0,
+      'a', 1, 'a', 2, 'c', 1,
+      'b', 2, 'b', 3, 'c', 1,
+      'c', 5, 'd', 2, 'd', 4], flatTree);
+})();