94bce1dcac
This changes all tools to use ES6 modules and proper imports. Step 1: Add converted .mjs files (*this CL*) Step 2: Update node-ci build to use new .mjs files Step 3: Remove outdated .js files Bug: v8:10667, v8:10933 Change-Id: I3e92e66f896d8a9cacaf6d421f8d2c86fb3bc444 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2431045 Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#70163}
203 lines
6.2 KiB
JavaScript
203 lines
6.2 KiB
JavaScript
// 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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import { ConsArray } from "./consarray.mjs";
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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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export function ViewBuilder(samplingRate) {
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this.samplingRate = samplingRate;
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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 {CallTree} callTree A call tree.
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* @param {boolean} opt_bottomUpViewWeights Whether remapping
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* of self weights for a bottom up view is needed.
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*/
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ViewBuilder.prototype.buildView = function(
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callTree, opt_bottomUpViewWeights) {
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var head;
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var samplingRate = this.samplingRate;
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var createViewNode = this.createViewNode;
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callTree.traverse(function(node, viewParent) {
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var totalWeight = node.totalWeight * samplingRate;
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var selfWeight = node.selfWeight * samplingRate;
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if (opt_bottomUpViewWeights === true) {
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if (viewParent === head) {
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selfWeight = totalWeight;
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} else {
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selfWeight = 0;
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}
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}
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var viewNode = createViewNode(node.label, totalWeight, selfWeight, 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 = this.createView(head);
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return view;
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};
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/**
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* Factory method for a profile view.
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*
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* @param {ProfileView.Node} head View head node.
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* @return {ProfileView} Profile view.
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*/
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ViewBuilder.prototype.createView = function(head) {
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return new ProfileView(head);
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};
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/**
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* Factory method for a profile view node.
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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 {ProfileView.Node} head Profile view head.
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* @return {ProfileView.Node} Profile view node.
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*/
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ViewBuilder.prototype.createViewNode = function(
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funcName, totalTime, selfTime, head) {
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return new ProfileView.Node(
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funcName, totalTime, selfTime, head);
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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.
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*
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* @param {ProfileView.Node} head Head (root) node.
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* @constructor
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*/
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export function ProfileView(head) {
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this.head = head;
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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(ProfileView.Node,
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* 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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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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* Traverses profile view nodes in preorder.
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*
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* @param {function(ProfileView.Node)} f Visitor function.
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*/
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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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* 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 {ProfileView.Node} head Profile view head.
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* @constructor
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*/
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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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* Returns a share of the function's total time in its parent's total time.
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*/
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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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* Adds a child to the node.
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*
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* @param {ProfileView.Node} node Child node.
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*/
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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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* Sorts all the node's children recursively.
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*
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* @param {function(ProfileView.Node,
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* 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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ProfileView.Node.prototype.sortChildren = function(
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sortFunc) {
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this.children.sort(sortFunc);
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};
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