Jamie Gennis | 6833e18 | 2013-07-19 14:00:49 -0700 | [diff] [blame] | 1 | // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | 'use strict'; |
| 6 | |
| 7 | base.require('tracing.trace_model.slice'); |
| 8 | |
| 9 | /** |
| 10 | * @fileoverview Provides the AsyncSlice class. |
| 11 | */ |
| 12 | base.exportTo('tracing.trace_model', function() { |
| 13 | /** |
| 14 | * A AsyncSlice represents an interval of time during which an |
| 15 | * asynchronous operation is in progress. An AsyncSlice consumes no CPU time |
| 16 | * itself and so is only associated with Threads at its start and end point. |
| 17 | * |
| 18 | * @constructor |
| 19 | */ |
| 20 | function AsyncSlice(category, title, colorId, start, args) { |
| 21 | tracing.trace_model.Slice.apply(this, arguments); |
| 22 | }; |
| 23 | |
| 24 | AsyncSlice.prototype = { |
| 25 | __proto__: tracing.trace_model.Slice.prototype, |
| 26 | |
| 27 | toJSON: function() { |
| 28 | var obj = new Object(); |
| 29 | var keys = Object.keys(this); |
| 30 | for (var i = 0; i < keys.length; i++) { |
| 31 | var key = keys[i]; |
| 32 | if (typeof this[key] == 'function') |
| 33 | continue; |
| 34 | if (key == 'startThread' || key == 'endThread') { |
| 35 | obj[key] = this[key].guid; |
| 36 | continue; |
| 37 | } |
| 38 | obj[key] = this[key]; |
| 39 | } |
| 40 | return obj; |
| 41 | }, |
| 42 | |
| 43 | id: undefined, |
| 44 | |
| 45 | startThread: undefined, |
| 46 | |
| 47 | endThread: undefined, |
| 48 | |
| 49 | subSlices: undefined |
| 50 | }; |
| 51 | |
| 52 | return { |
| 53 | AsyncSlice: AsyncSlice |
| 54 | }; |
| 55 | }); |