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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 | 28 |
29 // Initlialize namespaces | |
30 var devtools = devtools || {}; | |
31 devtools.profiler = devtools.profiler || {}; | |
32 | |
33 | |
34 /** | 29 /** |
35 * Creates a Profile View builder object. | 30 * Creates a Profile View builder object. |
36 * | 31 * |
37 * @param {number} samplingRate Number of ms between profiler ticks. | 32 * @param {number} samplingRate Number of ms between profiler ticks. |
38 * @constructor | 33 * @constructor |
39 */ | 34 */ |
40 devtools.profiler.ViewBuilder = function(samplingRate) { | 35 function ViewBuilder(samplingRate) { |
41 this.samplingRate = samplingRate; | 36 this.samplingRate = samplingRate; |
42 }; | 37 }; |
43 | 38 |
44 | 39 |
45 /** | 40 /** |
46 * Builds a profile view for the specified call tree. | 41 * Builds a profile view for the specified call tree. |
47 * | 42 * |
48 * @param {devtools.profiler.CallTree} callTree A call tree. | 43 * @param {CallTree} callTree A call tree. |
49 * @param {boolean} opt_bottomUpViewWeights Whether remapping | 44 * @param {boolean} opt_bottomUpViewWeights Whether remapping |
50 * of self weights for a bottom up view is needed. | 45 * of self weights for a bottom up view is needed. |
51 */ | 46 */ |
52 devtools.profiler.ViewBuilder.prototype.buildView = function( | 47 ViewBuilder.prototype.buildView = function( |
53 callTree, opt_bottomUpViewWeights) { | 48 callTree, opt_bottomUpViewWeights) { |
54 var head; | 49 var head; |
55 var samplingRate = this.samplingRate; | 50 var samplingRate = this.samplingRate; |
56 var createViewNode = this.createViewNode; | 51 var createViewNode = this.createViewNode; |
57 callTree.traverse(function(node, viewParent) { | 52 callTree.traverse(function(node, viewParent) { |
58 var totalWeight = node.totalWeight * samplingRate; | 53 var totalWeight = node.totalWeight * samplingRate; |
59 var selfWeight = node.selfWeight * samplingRate; | 54 var selfWeight = node.selfWeight * samplingRate; |
60 if (opt_bottomUpViewWeights === true) { | 55 if (opt_bottomUpViewWeights === true) { |
61 if (viewParent === head) { | 56 if (viewParent === head) { |
62 selfWeight = totalWeight; | 57 selfWeight = totalWeight; |
(...skipping 10 matching lines...) Expand all Loading... |
73 return viewNode; | 68 return viewNode; |
74 }); | 69 }); |
75 var view = this.createView(head); | 70 var view = this.createView(head); |
76 return view; | 71 return view; |
77 }; | 72 }; |
78 | 73 |
79 | 74 |
80 /** | 75 /** |
81 * Factory method for a profile view. | 76 * Factory method for a profile view. |
82 * | 77 * |
83 * @param {devtools.profiler.ProfileView.Node} head View head node. | 78 * @param {ProfileView.Node} head View head node. |
84 * @return {devtools.profiler.ProfileView} Profile view. | 79 * @return {ProfileView} Profile view. |
85 */ | 80 */ |
86 devtools.profiler.ViewBuilder.prototype.createView = function(head) { | 81 ViewBuilder.prototype.createView = function(head) { |
87 return new devtools.profiler.ProfileView(head); | 82 return new ProfileView(head); |
88 }; | 83 }; |
89 | 84 |
90 | 85 |
91 /** | 86 /** |
92 * Factory method for a profile view node. | 87 * Factory method for a profile view node. |
93 * | 88 * |
94 * @param {string} internalFuncName A fully qualified function name. | 89 * @param {string} internalFuncName A fully qualified function name. |
95 * @param {number} totalTime Amount of time that application spent in the | 90 * @param {number} totalTime Amount of time that application spent in the |
96 * corresponding function and its descendants (not that depending on | 91 * corresponding function and its descendants (not that depending on |
97 * profile they can be either callees or callers.) | 92 * profile they can be either callees or callers.) |
98 * @param {number} selfTime Amount of time that application spent in the | 93 * @param {number} selfTime Amount of time that application spent in the |
99 * corresponding function only. | 94 * corresponding function only. |
100 * @param {devtools.profiler.ProfileView.Node} head Profile view head. | 95 * @param {ProfileView.Node} head Profile view head. |
101 * @return {devtools.profiler.ProfileView.Node} Profile view node. | 96 * @return {ProfileView.Node} Profile view node. |
102 */ | 97 */ |
103 devtools.profiler.ViewBuilder.prototype.createViewNode = function( | 98 ViewBuilder.prototype.createViewNode = function( |
104 funcName, totalTime, selfTime, head) { | 99 funcName, totalTime, selfTime, head) { |
105 return new devtools.profiler.ProfileView.Node( | 100 return new ProfileView.Node( |
106 funcName, totalTime, selfTime, head); | 101 funcName, totalTime, selfTime, head); |
107 }; | 102 }; |
108 | 103 |
109 | 104 |
110 /** | 105 /** |
111 * Creates a Profile View object. It allows to perform sorting | 106 * Creates a Profile View object. It allows to perform sorting |
112 * and filtering actions on the profile. | 107 * and filtering actions on the profile. |
113 * | 108 * |
114 * @param {devtools.profiler.ProfileView.Node} head Head (root) node. | 109 * @param {ProfileView.Node} head Head (root) node. |
115 * @constructor | 110 * @constructor |
116 */ | 111 */ |
117 devtools.profiler.ProfileView = function(head) { | 112 function ProfileView(head) { |
118 this.head = head; | 113 this.head = head; |
119 }; | 114 }; |
120 | 115 |
121 | 116 |
122 /** | 117 /** |
123 * Sorts the profile view using the specified sort function. | 118 * Sorts the profile view using the specified sort function. |
124 * | 119 * |
125 * @param {function(devtools.profiler.ProfileView.Node, | 120 * @param {function(ProfileView.Node, |
126 * devtools.profiler.ProfileView.Node):number} sortFunc A sorting | 121 * ProfileView.Node):number} sortFunc A sorting |
127 * functions. Must comply with Array.sort sorting function requirements. | 122 * functions. Must comply with Array.sort sorting function requirements. |
128 */ | 123 */ |
129 devtools.profiler.ProfileView.prototype.sort = function(sortFunc) { | 124 ProfileView.prototype.sort = function(sortFunc) { |
130 this.traverse(function (node) { | 125 this.traverse(function (node) { |
131 node.sortChildren(sortFunc); | 126 node.sortChildren(sortFunc); |
132 }); | 127 }); |
133 }; | 128 }; |
134 | 129 |
135 | 130 |
136 /** | 131 /** |
137 * Traverses profile view nodes in preorder. | 132 * Traverses profile view nodes in preorder. |
138 * | 133 * |
139 * @param {function(devtools.profiler.ProfileView.Node)} f Visitor function. | 134 * @param {function(ProfileView.Node)} f Visitor function. |
140 */ | 135 */ |
141 devtools.profiler.ProfileView.prototype.traverse = function(f) { | 136 ProfileView.prototype.traverse = function(f) { |
142 var nodesToTraverse = new ConsArray(); | 137 var nodesToTraverse = new ConsArray(); |
143 nodesToTraverse.concat([this.head]); | 138 nodesToTraverse.concat([this.head]); |
144 while (!nodesToTraverse.atEnd()) { | 139 while (!nodesToTraverse.atEnd()) { |
145 var node = nodesToTraverse.next(); | 140 var node = nodesToTraverse.next(); |
146 f(node); | 141 f(node); |
147 nodesToTraverse.concat(node.children); | 142 nodesToTraverse.concat(node.children); |
148 } | 143 } |
149 }; | 144 }; |
150 | 145 |
151 | 146 |
152 /** | 147 /** |
153 * Constructs a Profile View node object. Each node object corresponds to | 148 * Constructs a Profile View node object. Each node object corresponds to |
154 * a function call. | 149 * a function call. |
155 * | 150 * |
156 * @param {string} internalFuncName A fully qualified function name. | 151 * @param {string} internalFuncName A fully qualified function name. |
157 * @param {number} totalTime Amount of time that application spent in the | 152 * @param {number} totalTime Amount of time that application spent in the |
158 * corresponding function and its descendants (not that depending on | 153 * corresponding function and its descendants (not that depending on |
159 * profile they can be either callees or callers.) | 154 * profile they can be either callees or callers.) |
160 * @param {number} selfTime Amount of time that application spent in the | 155 * @param {number} selfTime Amount of time that application spent in the |
161 * corresponding function only. | 156 * corresponding function only. |
162 * @param {devtools.profiler.ProfileView.Node} head Profile view head. | 157 * @param {ProfileView.Node} head Profile view head. |
163 * @constructor | 158 * @constructor |
164 */ | 159 */ |
165 devtools.profiler.ProfileView.Node = function( | 160 ProfileView.Node = function( |
166 internalFuncName, totalTime, selfTime, head) { | 161 internalFuncName, totalTime, selfTime, head) { |
167 this.internalFuncName = internalFuncName; | 162 this.internalFuncName = internalFuncName; |
168 this.totalTime = totalTime; | 163 this.totalTime = totalTime; |
169 this.selfTime = selfTime; | 164 this.selfTime = selfTime; |
170 this.head = head; | 165 this.head = head; |
171 this.parent = null; | 166 this.parent = null; |
172 this.children = []; | 167 this.children = []; |
173 }; | 168 }; |
174 | 169 |
175 | 170 |
176 /** | 171 /** |
177 * Returns a share of the function's total time in application's total time. | 172 * Returns a share of the function's total time in application's total time. |
178 */ | 173 */ |
179 devtools.profiler.ProfileView.Node.prototype.__defineGetter__( | 174 ProfileView.Node.prototype.__defineGetter__( |
180 'totalPercent', | 175 'totalPercent', |
181 function() { return this.totalTime / | 176 function() { return this.totalTime / |
182 (this.head ? this.head.totalTime : this.totalTime) * 100.0; }); | 177 (this.head ? this.head.totalTime : this.totalTime) * 100.0; }); |
183 | 178 |
184 | 179 |
185 /** | 180 /** |
186 * Returns a share of the function's self time in application's total time. | 181 * Returns a share of the function's self time in application's total time. |
187 */ | 182 */ |
188 devtools.profiler.ProfileView.Node.prototype.__defineGetter__( | 183 ProfileView.Node.prototype.__defineGetter__( |
189 'selfPercent', | 184 'selfPercent', |
190 function() { return this.selfTime / | 185 function() { return this.selfTime / |
191 (this.head ? this.head.totalTime : this.totalTime) * 100.0; }); | 186 (this.head ? this.head.totalTime : this.totalTime) * 100.0; }); |
192 | 187 |
193 | 188 |
194 /** | 189 /** |
195 * Returns a share of the function's total time in its parent's total time. | 190 * Returns a share of the function's total time in its parent's total time. |
196 */ | 191 */ |
197 devtools.profiler.ProfileView.Node.prototype.__defineGetter__( | 192 ProfileView.Node.prototype.__defineGetter__( |
198 'parentTotalPercent', | 193 'parentTotalPercent', |
199 function() { return this.totalTime / | 194 function() { return this.totalTime / |
200 (this.parent ? this.parent.totalTime : this.totalTime) * 100.0; }); | 195 (this.parent ? this.parent.totalTime : this.totalTime) * 100.0; }); |
201 | 196 |
202 | 197 |
203 /** | 198 /** |
204 * Adds a child to the node. | 199 * Adds a child to the node. |
205 * | 200 * |
206 * @param {devtools.profiler.ProfileView.Node} node Child node. | 201 * @param {ProfileView.Node} node Child node. |
207 */ | 202 */ |
208 devtools.profiler.ProfileView.Node.prototype.addChild = function(node) { | 203 ProfileView.Node.prototype.addChild = function(node) { |
209 node.parent = this; | 204 node.parent = this; |
210 this.children.push(node); | 205 this.children.push(node); |
211 }; | 206 }; |
212 | 207 |
213 | 208 |
214 /** | 209 /** |
215 * Sorts all the node's children recursively. | 210 * Sorts all the node's children recursively. |
216 * | 211 * |
217 * @param {function(devtools.profiler.ProfileView.Node, | 212 * @param {function(ProfileView.Node, |
218 * devtools.profiler.ProfileView.Node):number} sortFunc A sorting | 213 * ProfileView.Node):number} sortFunc A sorting |
219 * functions. Must comply with Array.sort sorting function requirements. | 214 * functions. Must comply with Array.sort sorting function requirements. |
220 */ | 215 */ |
221 devtools.profiler.ProfileView.Node.prototype.sortChildren = function( | 216 ProfileView.Node.prototype.sortChildren = function( |
222 sortFunc) { | 217 sortFunc) { |
223 this.children.sort(sortFunc); | 218 this.children.sort(sortFunc); |
224 }; | 219 }; |
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