| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2014 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <link rel="import" href="/tracing/base/utils.html"> |
| <link rel="import" href="/tracing/model/helpers/chrome_process_helper.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Utilities for accessing trace data about the Chrome browser. |
| */ |
| tr.exportTo('tr.model.helpers', function() { |
| function ChromeBrowserHelper(modelHelper, process) { |
| tr.model.helpers.ChromeProcessHelper.call(this, modelHelper, process); |
| this.mainThread_ = process.findAtMostOneThreadNamed('CrBrowserMain'); |
| if (!process.name) { |
| process.name = ChromeBrowserHelper.PROCESS_NAME; |
| } |
| } |
| |
| ChromeBrowserHelper.PROCESS_NAME = 'Browser'; |
| |
| ChromeBrowserHelper.isBrowserProcess = function(process) { |
| return !!process.findAtMostOneThreadNamed('CrBrowserMain'); |
| }; |
| |
| ChromeBrowserHelper.prototype = { |
| __proto__: tr.model.helpers.ChromeProcessHelper.prototype, |
| |
| // TODO(petrcermak): Pass browser name in a metadata event (see |
| // crbug.com/605088). |
| get browserName() { |
| const hasInProcessRendererThread = this.process.findAllThreadsNamed( |
| 'Chrome_InProcRendererThread').length > 0; |
| return hasInProcessRendererThread ? 'webview' : 'chrome'; |
| }, |
| |
| get mainThread() { |
| return this.mainThread_; |
| }, |
| |
| get rendererHelpers() { |
| return this.modelHelper.rendererHelpers; |
| }, |
| |
| getLoadingEventsInRange(rangeOfInterest) { |
| return this.getAllAsyncSlicesMatching(function(slice) { |
| return slice.title.indexOf('WebContentsImpl Loading') === 0 && |
| rangeOfInterest.intersectsExplicitRangeInclusive( |
| slice.start, slice.end); |
| }); |
| }, |
| |
| getCommitProvisionalLoadEventsInRange(rangeOfInterest) { |
| return this.getAllAsyncSlicesMatching(function(slice) { |
| return slice.title === 'RenderFrameImpl::didCommitProvisionalLoad' && |
| rangeOfInterest.intersectsExplicitRangeInclusive( |
| slice.start, slice.end); |
| }); |
| }, |
| |
| get hasLatencyEvents() { |
| let hasLatency = false; |
| for (const thread of this.modelHelper.model.getAllThreads()) { |
| for (const event of thread.getDescendantEvents()) { |
| if (!event.isTopLevel) continue; |
| if (!(event instanceof tr.e.cc.InputLatencyAsyncSlice)) { |
| continue; |
| } |
| hasLatency = true; |
| } |
| } |
| return hasLatency; |
| }, |
| |
| getLatencyEventsInRange(rangeOfInterest) { |
| return this.getAllAsyncSlicesMatching(function(slice) { |
| return (slice.title.indexOf('InputLatency') === 0) && |
| rangeOfInterest.intersectsExplicitRangeInclusive( |
| slice.start, slice.end); |
| }); |
| }, |
| |
| getAllAsyncSlicesMatching(pred, opt_this) { |
| const events = []; |
| this.iterAllThreads(function(thread) { |
| for (const slice of thread.getDescendantEvents()) { |
| if (pred.call(opt_this, slice)) { |
| events.push(slice); |
| } |
| } |
| }); |
| return events; |
| }, |
| |
| iterAllThreads(func, opt_this) { |
| for (const thread of Object.values(this.process.threads)) { |
| func.call(opt_this, thread); |
| } |
| |
| for (const rendererHelper of Object.values(this.rendererHelpers)) { |
| const rendererProcess = rendererHelper.process; |
| for (const thread of Object.values(rendererProcess.threads)) { |
| func.call(opt_this, thread); |
| } |
| } |
| } |
| }; |
| |
| return { |
| ChromeBrowserHelper, |
| }; |
| }); |
| </script> |
