| Index: tools/profile_view.js
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| diff --git a/tools/profile_view.js b/tools/profile_view.js
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..8cffccc7ca2d4edef5a66e7726918347f0f162e1
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| +++ b/tools/profile_view.js
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| @@ -0,0 +1,185 @@
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| +// Copyright 2009 the V8 project authors. All rights reserved.
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| +// Redistribution and use in source and binary forms, with or without
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| +// modification, are permitted provided that the following conditions are
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| +// met:
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| +//
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| +// * Redistributions of source code must retain the above copyright
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| +// notice, this list of conditions and the following disclaimer.
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| +// * Redistributions in binary form must reproduce the above
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| +// copyright notice, this list of conditions and the following
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| +// disclaimer in the documentation and/or other materials provided
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| +// with the distribution.
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| +// * Neither the name of Google Inc. nor the names of its
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| +// contributors may be used to endorse or promote products derived
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| +// from this software without specific prior written permission.
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| +//
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| +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| +
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| +
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| +// Initlialize namespaces
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| +var devtools = devtools || {};
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| +devtools.profiler = devtools.profiler || {};
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| +
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| +
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| +/**
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| + * Creates a Profile View builder object.
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| + *
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| + * @param {number} samplingRate Number of ms between profiler ticks.
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| + * @constructor
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| + */
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| +devtools.profiler.ViewBuilder = function(samplingRate) {
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| + this.samplingRate = samplingRate;
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| +};
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| +
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| +
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| +/**
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| + * Builds a profile view for the specified call tree.
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| + *
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| + * @param {devtools.profiler.CallTree} callTree A call tree.
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| + */
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| +devtools.profiler.ViewBuilder.prototype.buildView = function(
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| + callTree) {
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| + var head;
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| + var samplingRate = this.samplingRate;
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| + callTree.traverse(function(node, viewParent) {
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| + var viewNode = new devtools.profiler.ProfileView.Node(
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| + node.label, node.totalWeight * samplingRate,
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| + node.selfWeight * samplingRate, head);
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| + if (viewParent) {
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| + viewParent.addChild(viewNode);
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| + } else {
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| + head = viewNode;
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| + }
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| + return viewNode;
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| + });
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| + var view = new devtools.profiler.ProfileView(head);
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| + return view;
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| +};
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| +
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| +
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| +/**
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| + * Creates a Profile View object. It allows to perform sorting
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| + * and filtering actions on the profile. Profile View mimicks
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| + * the Profile object from WebKit's JSC profiler.
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| + *
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| + * @param {devtools.profiler.ProfileView.Node} head Head (root) node.
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| + * @constructor
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| + */
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| +devtools.profiler.ProfileView = function(head) {
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| + this.head = head;
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| +};
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| +
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| +
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| +/**
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| + * Sorts the profile view using the specified sort function.
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| + *
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| + * @param {function(devtools.profiler.ProfileView.Node,
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| + * devtools.profiler.ProfileView.Node):number} sortFunc A sorting
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| + * functions. Must comply with Array.sort sorting function requirements.
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| + */
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| +devtools.profiler.ProfileView.prototype.sort = function(sortFunc) {
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| + this.traverse(function (node) {
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| + node.sortChildren(sortFunc);
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| + });
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| +};
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| +
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| +
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| +/**
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| + * Traverses profile view nodes in preorder.
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| + *
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| + * @param {function(devtools.profiler.ProfileView.Node)} f Visitor function.
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| + */
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| +devtools.profiler.ProfileView.prototype.traverse = function(f) {
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| + var nodesToTraverse = new ConsArray();
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| + nodesToTraverse.concat([this.head]);
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| + while (!nodesToTraverse.atEnd()) {
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| + var node = nodesToTraverse.next();
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| + f(node);
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| + nodesToTraverse.concat(node.children);
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| + }
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| +};
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| +
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| +
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| +/**
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| + * Constructs a Profile View node object. Each node object corresponds to
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| + * a function call.
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| + *
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| + * @param {string} internalFuncName A fully qualified function name.
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| + * @param {number} totalTime Amount of time that application spent in the
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| + * corresponding function and its descendants (not that depending on
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| + * profile they can be either callees or callers.)
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| + * @param {number} selfTime Amount of time that application spent in the
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| + * corresponding function only.
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| + * @param {devtools.profiler.ProfileView.Node} head Profile view head.
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| + * @constructor
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| + */
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| +devtools.profiler.ProfileView.Node = function(
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| + internalFuncName, totalTime, selfTime, head) {
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| + this.internalFuncName = internalFuncName;
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| + this.totalTime = totalTime;
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| + this.selfTime = selfTime;
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| + this.head = head;
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| + this.parent = null;
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| + this.children = [];
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| +};
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| +
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| +
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| +/**
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| + * Returns a share of the function's total time in application's total time.
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| + */
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| +devtools.profiler.ProfileView.Node.prototype.__defineGetter__(
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| + 'totalPercent',
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| + function() { return this.totalTime /
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| + (this.head ? this.head.totalTime : this.totalTime) * 100.0; });
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| +
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| +
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| +/**
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| + * Returns a share of the function's self time in application's total time.
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| + */
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| +devtools.profiler.ProfileView.Node.prototype.__defineGetter__(
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| + 'selfPercent',
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| + function() { return this.selfTime /
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| + (this.head ? this.head.totalTime : this.totalTime) * 100.0; });
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| +
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| +
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| +/**
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| + * Returns a share of the function's total time in its parent's total time.
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| + */
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| +devtools.profiler.ProfileView.Node.prototype.__defineGetter__(
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| + 'parentTotalPercent',
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| + function() { return this.totalTime /
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| + (this.parent ? this.parent.totalTime : this.totalTime) * 100.0; });
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| +
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| +
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| +/**
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| + * Adds a child to the node.
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| + *
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| + * @param {devtools.profiler.ProfileView.Node} node Child node.
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| + */
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| +devtools.profiler.ProfileView.Node.prototype.addChild = function(node) {
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| + node.parent = this;
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| + this.children.push(node);
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| +};
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| +
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| +
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| +/**
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| + * Sorts all the node's children recursively.
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| + *
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| + * @param {function(devtools.profiler.ProfileView.Node,
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| + * devtools.profiler.ProfileView.Node):number} sortFunc A sorting
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| + * functions. Must comply with Array.sort sorting function requirements.
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| + */
|
| +devtools.profiler.ProfileView.Node.prototype.sortChildren = function(
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| + sortFunc) {
|
| + this.children.sort(sortFunc);
|
| +};
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|
|