Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 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. |
| 27 | |
| 28 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 29 | function inherits(childCtor, parentCtor) { |
| 30 | childCtor.prototype.__proto__ = parentCtor.prototype; |
| 31 | }; |
| 32 | |
| 33 | |
| 34 | function V8Profile(separateIc) { |
| 35 | Profile.call(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 36 | if (!separateIc) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 37 | this.skipThisFunction = function(name) { return V8Profile.IC_RE.test(name); }; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 38 | } |
| 39 | }; |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 40 | inherits(V8Profile, Profile); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 41 | |
| 42 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 43 | V8Profile.IC_RE = |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 44 | /^(?:CallIC|LoadIC|StoreIC)|(?:Builtin: (?:Keyed)?(?:Call|Load|Store)IC_)/; |
| 45 | |
| 46 | |
| 47 | /** |
| 48 | * A thin wrapper around shell's 'read' function showing a file name on error. |
| 49 | */ |
| 50 | function readFile(fileName) { |
| 51 | try { |
| 52 | return read(fileName); |
| 53 | } catch (e) { |
| 54 | print(fileName + ': ' + (e.message || e)); |
| 55 | throw e; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 60 | /** |
| 61 | * Parser for dynamic code optimization state. |
| 62 | */ |
| 63 | function parseState(s) { |
| 64 | switch (s) { |
| 65 | case "": return Profile.CodeState.COMPILED; |
| 66 | case "~": return Profile.CodeState.OPTIMIZABLE; |
| 67 | case "*": return Profile.CodeState.OPTIMIZED; |
| 68 | } |
| 69 | throw new Error("unknown code state: " + s); |
| 70 | } |
| 71 | |
| 72 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 73 | function SnapshotLogProcessor() { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 74 | LogReader.call(this, { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 75 | 'code-creation': { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 76 | parsers: [null, parseInt, parseInt, parseInt, null, 'var-args'], |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 77 | processor: this.processCodeCreation }, |
| 78 | 'code-move': { parsers: [parseInt, parseInt], |
| 79 | processor: this.processCodeMove }, |
| 80 | 'code-delete': { parsers: [parseInt], |
| 81 | processor: this.processCodeDelete }, |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 82 | 'function-creation': null, |
| 83 | 'function-move': null, |
| 84 | 'function-delete': null, |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 85 | 'sfi-move': null, |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 86 | 'snapshot-pos': { parsers: [parseInt, parseInt], |
| 87 | processor: this.processSnapshotPosition }}); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 88 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 89 | V8Profile.prototype.handleUnknownCode = function(operation, addr) { |
| 90 | var op = Profile.Operation; |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 91 | switch (operation) { |
| 92 | case op.MOVE: |
| 93 | print('Snapshot: Code move event for unknown code: 0x' + |
| 94 | addr.toString(16)); |
| 95 | break; |
| 96 | case op.DELETE: |
| 97 | print('Snapshot: Code delete event for unknown code: 0x' + |
| 98 | addr.toString(16)); |
| 99 | break; |
| 100 | } |
| 101 | }; |
| 102 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 103 | this.profile_ = new V8Profile(); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 104 | this.serializedEntries_ = []; |
| 105 | } |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 106 | inherits(SnapshotLogProcessor, LogReader); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 107 | |
| 108 | |
| 109 | SnapshotLogProcessor.prototype.processCodeCreation = function( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 110 | type, kind, start, size, name, maybe_func) { |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 111 | if (maybe_func.length) { |
| 112 | var funcAddr = parseInt(maybe_func[0]); |
| 113 | var state = parseState(maybe_func[1]); |
| 114 | this.profile_.addFuncCode(type, name, start, size, funcAddr, state); |
| 115 | } else { |
| 116 | this.profile_.addCode(type, name, start, size); |
| 117 | } |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 118 | }; |
| 119 | |
| 120 | |
| 121 | SnapshotLogProcessor.prototype.processCodeMove = function(from, to) { |
| 122 | this.profile_.moveCode(from, to); |
| 123 | }; |
| 124 | |
| 125 | |
| 126 | SnapshotLogProcessor.prototype.processCodeDelete = function(start) { |
| 127 | this.profile_.deleteCode(start); |
| 128 | }; |
| 129 | |
| 130 | |
| 131 | SnapshotLogProcessor.prototype.processSnapshotPosition = function(addr, pos) { |
| 132 | this.serializedEntries_[pos] = this.profile_.findEntry(addr); |
| 133 | }; |
| 134 | |
| 135 | |
| 136 | SnapshotLogProcessor.prototype.processLogFile = function(fileName) { |
| 137 | var contents = readFile(fileName); |
| 138 | this.processLogChunk(contents); |
| 139 | }; |
| 140 | |
| 141 | |
| 142 | SnapshotLogProcessor.prototype.getSerializedEntryName = function(pos) { |
| 143 | var entry = this.serializedEntries_[pos]; |
| 144 | return entry ? entry.getRawName() : null; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 145 | }; |
| 146 | |
| 147 | |
| 148 | function TickProcessor( |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 149 | cppEntriesProvider, |
| 150 | separateIc, |
| 151 | callGraphSize, |
| 152 | ignoreUnknown, |
| 153 | stateFilter, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 154 | snapshotLogProcessor, |
| 155 | distortion, |
| 156 | range, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 157 | sourceMap, |
| 158 | timedRange, |
| 159 | pairwiseTimedRange, |
| 160 | onlySummary) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 161 | LogReader.call(this, { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 162 | 'shared-library': { parsers: [null, parseInt, parseInt], |
| 163 | processor: this.processSharedLibrary }, |
| 164 | 'code-creation': { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 165 | parsers: [null, parseInt, parseInt, parseInt, null, 'var-args'], |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 166 | processor: this.processCodeCreation }, |
| 167 | 'code-move': { parsers: [parseInt, parseInt], |
| 168 | processor: this.processCodeMove }, |
| 169 | 'code-delete': { parsers: [parseInt], |
| 170 | processor: this.processCodeDelete }, |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 171 | 'sfi-move': { parsers: [parseInt, parseInt], |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 172 | processor: this.processFunctionMove }, |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 173 | 'snapshot-pos': { parsers: [parseInt, parseInt], |
| 174 | processor: this.processSnapshotPosition }, |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 175 | 'tick': { |
| 176 | parsers: [parseInt, parseInt, parseInt, |
| 177 | parseInt, parseInt, 'var-args'], |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 178 | processor: this.processTick }, |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 179 | 'heap-sample-begin': { parsers: [null, null, parseInt], |
| 180 | processor: this.processHeapSampleBegin }, |
| 181 | 'heap-sample-end': { parsers: [null, null], |
| 182 | processor: this.processHeapSampleEnd }, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 183 | 'timer-event-start' : { parsers: [null, null, null], |
| 184 | processor: this.advanceDistortion }, |
| 185 | 'timer-event-end' : { parsers: [null, null, null], |
| 186 | processor: this.advanceDistortion }, |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 187 | // Ignored events. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 188 | 'profiler': null, |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 189 | 'function-creation': null, |
| 190 | 'function-move': null, |
| 191 | 'function-delete': null, |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 192 | 'heap-sample-item': null, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 193 | 'current-time': null, // Handled specially, not parsed. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 194 | // Obsolete row types. |
| 195 | 'code-allocate': null, |
| 196 | 'begin-code-region': null, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 197 | 'end-code-region': null }, |
| 198 | timedRange, |
| 199 | pairwiseTimedRange); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 200 | |
| 201 | this.cppEntriesProvider_ = cppEntriesProvider; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 202 | this.callGraphSize_ = callGraphSize; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 203 | this.ignoreUnknown_ = ignoreUnknown; |
| 204 | this.stateFilter_ = stateFilter; |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 205 | this.snapshotLogProcessor_ = snapshotLogProcessor; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 206 | this.sourceMap = sourceMap; |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 207 | this.deserializedEntriesNames_ = []; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 208 | var ticks = this.ticks_ = |
| 209 | { total: 0, unaccounted: 0, excluded: 0, gc: 0 }; |
| 210 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 211 | distortion = parseInt(distortion); |
| 212 | // Convert picoseconds to nanoseconds. |
| 213 | this.distortion_per_entry = isNaN(distortion) ? 0 : (distortion / 1000); |
| 214 | this.distortion = 0; |
| 215 | var rangelimits = range ? range.split(",") : []; |
| 216 | var range_start = parseInt(rangelimits[0]); |
| 217 | var range_end = parseInt(rangelimits[1]); |
| 218 | // Convert milliseconds to nanoseconds. |
| 219 | this.range_start = isNaN(range_start) ? -Infinity : (range_start * 1000); |
| 220 | this.range_end = isNaN(range_end) ? Infinity : (range_end * 1000) |
| 221 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 222 | V8Profile.prototype.handleUnknownCode = function( |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 223 | operation, addr, opt_stackPos) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 224 | var op = Profile.Operation; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 225 | switch (operation) { |
| 226 | case op.MOVE: |
| 227 | print('Code move event for unknown code: 0x' + addr.toString(16)); |
| 228 | break; |
| 229 | case op.DELETE: |
| 230 | print('Code delete event for unknown code: 0x' + addr.toString(16)); |
| 231 | break; |
| 232 | case op.TICK: |
| 233 | // Only unknown PCs (the first frame) are reported as unaccounted, |
| 234 | // otherwise tick balance will be corrupted (this behavior is compatible |
| 235 | // with the original tickprocessor.py script.) |
| 236 | if (opt_stackPos == 0) { |
| 237 | ticks.unaccounted++; |
| 238 | } |
| 239 | break; |
| 240 | } |
| 241 | }; |
| 242 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 243 | this.profile_ = new V8Profile(separateIc); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 244 | this.codeTypes_ = {}; |
| 245 | // Count each tick as a time unit. |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 246 | this.viewBuilder_ = new ViewBuilder(1); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 247 | this.lastLogFileName_ = null; |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 248 | |
| 249 | this.generation_ = 1; |
| 250 | this.currentProducerProfile_ = null; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 251 | this.onlySummary_ = onlySummary; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 252 | }; |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 253 | inherits(TickProcessor, LogReader); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 254 | |
| 255 | |
| 256 | TickProcessor.VmStates = { |
| 257 | JS: 0, |
| 258 | GC: 1, |
| 259 | COMPILER: 2, |
| 260 | OTHER: 3, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 261 | EXTERNAL: 4, |
| 262 | IDLE: 5 |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 263 | }; |
| 264 | |
| 265 | |
| 266 | TickProcessor.CodeTypes = { |
| 267 | CPP: 0, |
| 268 | SHARED_LIB: 1 |
| 269 | }; |
| 270 | // Otherwise, this is JS-related code. We are not adding it to |
| 271 | // codeTypes_ map because there can be zillions of them. |
| 272 | |
| 273 | |
| 274 | TickProcessor.CALL_PROFILE_CUTOFF_PCT = 2.0; |
| 275 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 276 | TickProcessor.CALL_GRAPH_SIZE = 5; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 277 | |
| 278 | /** |
| 279 | * @override |
| 280 | */ |
| 281 | TickProcessor.prototype.printError = function(str) { |
| 282 | print(str); |
| 283 | }; |
| 284 | |
| 285 | |
| 286 | TickProcessor.prototype.setCodeType = function(name, type) { |
| 287 | this.codeTypes_[name] = TickProcessor.CodeTypes[type]; |
| 288 | }; |
| 289 | |
| 290 | |
| 291 | TickProcessor.prototype.isSharedLibrary = function(name) { |
| 292 | return this.codeTypes_[name] == TickProcessor.CodeTypes.SHARED_LIB; |
| 293 | }; |
| 294 | |
| 295 | |
| 296 | TickProcessor.prototype.isCppCode = function(name) { |
| 297 | return this.codeTypes_[name] == TickProcessor.CodeTypes.CPP; |
| 298 | }; |
| 299 | |
| 300 | |
| 301 | TickProcessor.prototype.isJsCode = function(name) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 302 | return name !== "UNKNOWN" && !(name in this.codeTypes_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 303 | }; |
| 304 | |
| 305 | |
| 306 | TickProcessor.prototype.processLogFile = function(fileName) { |
| 307 | this.lastLogFileName_ = fileName; |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 308 | var line; |
| 309 | while (line = readline()) { |
| 310 | this.processLogLine(line); |
| 311 | } |
| 312 | }; |
| 313 | |
| 314 | |
| 315 | TickProcessor.prototype.processLogFileInTest = function(fileName) { |
| 316 | // Hack file name to avoid dealing with platform specifics. |
| 317 | this.lastLogFileName_ = 'v8.log'; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 318 | var contents = readFile(fileName); |
| 319 | this.processLogChunk(contents); |
| 320 | }; |
| 321 | |
| 322 | |
| 323 | TickProcessor.prototype.processSharedLibrary = function( |
| 324 | name, startAddr, endAddr) { |
| 325 | var entry = this.profile_.addLibrary(name, startAddr, endAddr); |
| 326 | this.setCodeType(entry.getName(), 'SHARED_LIB'); |
| 327 | |
| 328 | var self = this; |
| 329 | var libFuncs = this.cppEntriesProvider_.parseVmSymbols( |
| 330 | name, startAddr, endAddr, function(fName, fStart, fEnd) { |
| 331 | self.profile_.addStaticCode(fName, fStart, fEnd); |
| 332 | self.setCodeType(fName, 'CPP'); |
| 333 | }); |
| 334 | }; |
| 335 | |
| 336 | |
| 337 | TickProcessor.prototype.processCodeCreation = function( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 338 | type, kind, start, size, name, maybe_func) { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 339 | name = this.deserializedEntriesNames_[start] || name; |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 340 | if (maybe_func.length) { |
| 341 | var funcAddr = parseInt(maybe_func[0]); |
| 342 | var state = parseState(maybe_func[1]); |
| 343 | this.profile_.addFuncCode(type, name, start, size, funcAddr, state); |
| 344 | } else { |
| 345 | this.profile_.addCode(type, name, start, size); |
| 346 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 347 | }; |
| 348 | |
| 349 | |
| 350 | TickProcessor.prototype.processCodeMove = function(from, to) { |
| 351 | this.profile_.moveCode(from, to); |
| 352 | }; |
| 353 | |
| 354 | |
| 355 | TickProcessor.prototype.processCodeDelete = function(start) { |
| 356 | this.profile_.deleteCode(start); |
| 357 | }; |
| 358 | |
| 359 | |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 360 | TickProcessor.prototype.processFunctionMove = function(from, to) { |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 361 | this.profile_.moveFunc(from, to); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 362 | }; |
| 363 | |
| 364 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 365 | TickProcessor.prototype.processSnapshotPosition = function(addr, pos) { |
| 366 | if (this.snapshotLogProcessor_) { |
| 367 | this.deserializedEntriesNames_[addr] = |
| 368 | this.snapshotLogProcessor_.getSerializedEntryName(pos); |
| 369 | } |
| 370 | }; |
| 371 | |
| 372 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 373 | TickProcessor.prototype.includeTick = function(vmState) { |
| 374 | return this.stateFilter_ == null || this.stateFilter_ == vmState; |
| 375 | }; |
| 376 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 377 | TickProcessor.prototype.processTick = function(pc, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 378 | ns_since_start, |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 379 | is_external_callback, |
| 380 | tos_or_external_callback, |
| 381 | vmState, |
| 382 | stack) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 383 | this.distortion += this.distortion_per_entry; |
| 384 | ns_since_start -= this.distortion; |
| 385 | if (ns_since_start < this.range_start || ns_since_start > this.range_end) { |
| 386 | return; |
| 387 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 388 | this.ticks_.total++; |
| 389 | if (vmState == TickProcessor.VmStates.GC) this.ticks_.gc++; |
| 390 | if (!this.includeTick(vmState)) { |
| 391 | this.ticks_.excluded++; |
| 392 | return; |
| 393 | } |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 394 | if (is_external_callback) { |
| 395 | // Don't use PC when in external callback code, as it can point |
| 396 | // inside callback's code, and we will erroneously report |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 397 | // that a callback calls itself. Instead we use tos_or_external_callback, |
| 398 | // as simply resetting PC will produce unaccounted ticks. |
| 399 | pc = tos_or_external_callback; |
| 400 | tos_or_external_callback = 0; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 401 | } else if (tos_or_external_callback) { |
| 402 | // Find out, if top of stack was pointing inside a JS function |
| 403 | // meaning that we have encountered a frameless invocation. |
| 404 | var funcEntry = this.profile_.findEntry(tos_or_external_callback); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 405 | if (!funcEntry || !funcEntry.isJSFunction || !funcEntry.isJSFunction()) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 406 | tos_or_external_callback = 0; |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 407 | } |
| 408 | } |
| 409 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 410 | this.profile_.recordTick(this.processStack(pc, tos_or_external_callback, stack)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 411 | }; |
| 412 | |
| 413 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 414 | TickProcessor.prototype.advanceDistortion = function() { |
| 415 | this.distortion += this.distortion_per_entry; |
| 416 | } |
| 417 | |
| 418 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 419 | TickProcessor.prototype.processHeapSampleBegin = function(space, state, ticks) { |
| 420 | if (space != 'Heap') return; |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 421 | this.currentProducerProfile_ = new CallTree(); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 422 | }; |
| 423 | |
| 424 | |
| 425 | TickProcessor.prototype.processHeapSampleEnd = function(space, state) { |
| 426 | if (space != 'Heap' || !this.currentProducerProfile_) return; |
| 427 | |
| 428 | print('Generation ' + this.generation_ + ':'); |
| 429 | var tree = this.currentProducerProfile_; |
| 430 | tree.computeTotalWeights(); |
| 431 | var producersView = this.viewBuilder_.buildView(tree); |
| 432 | // Sort by total time, desc, then by name, desc. |
| 433 | producersView.sort(function(rec1, rec2) { |
| 434 | return rec2.totalTime - rec1.totalTime || |
| 435 | (rec2.internalFuncName < rec1.internalFuncName ? -1 : 1); }); |
| 436 | this.printHeavyProfile(producersView.head.children); |
| 437 | |
| 438 | this.currentProducerProfile_ = null; |
| 439 | this.generation_++; |
| 440 | }; |
| 441 | |
| 442 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 443 | TickProcessor.prototype.printStatistics = function() { |
| 444 | print('Statistical profiling result from ' + this.lastLogFileName_ + |
| 445 | ', (' + this.ticks_.total + |
| 446 | ' ticks, ' + this.ticks_.unaccounted + ' unaccounted, ' + |
| 447 | this.ticks_.excluded + ' excluded).'); |
| 448 | |
| 449 | if (this.ticks_.total == 0) return; |
| 450 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 451 | var flatProfile = this.profile_.getFlatProfile(); |
| 452 | var flatView = this.viewBuilder_.buildView(flatProfile); |
| 453 | // Sort by self time, desc, then by name, desc. |
| 454 | flatView.sort(function(rec1, rec2) { |
| 455 | return rec2.selfTime - rec1.selfTime || |
| 456 | (rec2.internalFuncName < rec1.internalFuncName ? -1 : 1); }); |
| 457 | var totalTicks = this.ticks_.total; |
| 458 | if (this.ignoreUnknown_) { |
| 459 | totalTicks -= this.ticks_.unaccounted; |
| 460 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 461 | var printAllTicks = !this.onlySummary_; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 462 | |
| 463 | // Count library ticks |
| 464 | var flatViewNodes = flatView.head.children; |
| 465 | var self = this; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 466 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 467 | var libraryTicks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 468 | if(printAllTicks) this.printHeader('Shared libraries'); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 469 | this.printEntries(flatViewNodes, totalTicks, null, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 470 | function(name) { return self.isSharedLibrary(name); }, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 471 | function(rec) { libraryTicks += rec.selfTime; }, printAllTicks); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 472 | var nonLibraryTicks = totalTicks - libraryTicks; |
| 473 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 474 | var jsTicks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 475 | if(printAllTicks) this.printHeader('JavaScript'); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 476 | this.printEntries(flatViewNodes, totalTicks, nonLibraryTicks, |
| 477 | function(name) { return self.isJsCode(name); }, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 478 | function(rec) { jsTicks += rec.selfTime; }, printAllTicks); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 479 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 480 | var cppTicks = 0; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 481 | if(printAllTicks) this.printHeader('C++'); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 482 | this.printEntries(flatViewNodes, totalTicks, nonLibraryTicks, |
| 483 | function(name) { return self.isCppCode(name); }, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 484 | function(rec) { cppTicks += rec.selfTime; }, printAllTicks); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 485 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 486 | this.printHeader('Summary'); |
| 487 | this.printLine('JavaScript', jsTicks, totalTicks, nonLibraryTicks); |
| 488 | this.printLine('C++', cppTicks, totalTicks, nonLibraryTicks); |
| 489 | this.printLine('GC', this.ticks_.gc, totalTicks, nonLibraryTicks); |
| 490 | this.printLine('Shared libraries', libraryTicks, totalTicks, null); |
| 491 | if (!this.ignoreUnknown_ && this.ticks_.unaccounted > 0) { |
| 492 | this.printLine('Unaccounted', this.ticks_.unaccounted, |
| 493 | this.ticks_.total, null); |
| 494 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 495 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 496 | if(printAllTicks) { |
| 497 | print('\n [C++ entry points]:'); |
| 498 | print(' ticks cpp total name'); |
| 499 | var c_entry_functions = this.profile_.getCEntryProfile(); |
| 500 | var total_c_entry = c_entry_functions[0].ticks; |
| 501 | for (var i = 1; i < c_entry_functions.length; i++) { |
| 502 | c = c_entry_functions[i]; |
| 503 | this.printLine(c.name, c.ticks, total_c_entry, totalTicks); |
| 504 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 505 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 506 | this.printHeavyProfHeader(); |
| 507 | var heavyProfile = this.profile_.getBottomUpProfile(); |
| 508 | var heavyView = this.viewBuilder_.buildView(heavyProfile); |
| 509 | // To show the same percentages as in the flat profile. |
| 510 | heavyView.head.totalTime = totalTicks; |
| 511 | // Sort by total time, desc, then by name, desc. |
| 512 | heavyView.sort(function(rec1, rec2) { |
| 513 | return rec2.totalTime - rec1.totalTime || |
| 514 | (rec2.internalFuncName < rec1.internalFuncName ? -1 : 1); }); |
| 515 | this.printHeavyProfile(heavyView.head.children); |
| 516 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 517 | }; |
| 518 | |
| 519 | |
| 520 | function padLeft(s, len) { |
| 521 | s = s.toString(); |
| 522 | if (s.length < len) { |
| 523 | var padLength = len - s.length; |
| 524 | if (!(padLength in padLeft)) { |
| 525 | padLeft[padLength] = new Array(padLength + 1).join(' '); |
| 526 | } |
| 527 | s = padLeft[padLength] + s; |
| 528 | } |
| 529 | return s; |
| 530 | }; |
| 531 | |
| 532 | |
| 533 | TickProcessor.prototype.printHeader = function(headerTitle) { |
| 534 | print('\n [' + headerTitle + ']:'); |
| 535 | print(' ticks total nonlib name'); |
| 536 | }; |
| 537 | |
| 538 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 539 | TickProcessor.prototype.printLine = function( |
| 540 | entry, ticks, totalTicks, nonLibTicks) { |
| 541 | var pct = ticks * 100 / totalTicks; |
| 542 | var nonLibPct = nonLibTicks != null |
| 543 | ? padLeft((ticks * 100 / nonLibTicks).toFixed(1), 5) + '% ' |
| 544 | : ' '; |
| 545 | print(' ' + padLeft(ticks, 5) + ' ' + |
| 546 | padLeft(pct.toFixed(1), 5) + '% ' + |
| 547 | nonLibPct + |
| 548 | entry); |
| 549 | } |
| 550 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 551 | TickProcessor.prototype.printHeavyProfHeader = function() { |
| 552 | print('\n [Bottom up (heavy) profile]:'); |
| 553 | print(' Note: percentage shows a share of a particular caller in the ' + |
| 554 | 'total\n' + |
| 555 | ' amount of its parent calls.'); |
| 556 | print(' Callers occupying less than ' + |
| 557 | TickProcessor.CALL_PROFILE_CUTOFF_PCT.toFixed(1) + |
| 558 | '% are not shown.\n'); |
| 559 | print(' ticks parent name'); |
| 560 | }; |
| 561 | |
| 562 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 563 | TickProcessor.prototype.processProfile = function( |
| 564 | profile, filterP, func) { |
| 565 | for (var i = 0, n = profile.length; i < n; ++i) { |
| 566 | var rec = profile[i]; |
| 567 | if (!filterP(rec.internalFuncName)) { |
| 568 | continue; |
| 569 | } |
| 570 | func(rec); |
| 571 | } |
| 572 | }; |
| 573 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 574 | TickProcessor.prototype.getLineAndColumn = function(name) { |
| 575 | var re = /:([0-9]+):([0-9]+)$/; |
| 576 | var array = re.exec(name); |
| 577 | if (!array) { |
| 578 | return null; |
| 579 | } |
| 580 | return {line: array[1], column: array[2]}; |
| 581 | } |
| 582 | |
| 583 | TickProcessor.prototype.hasSourceMap = function() { |
| 584 | return this.sourceMap != null; |
| 585 | }; |
| 586 | |
| 587 | |
| 588 | TickProcessor.prototype.formatFunctionName = function(funcName) { |
| 589 | if (!this.hasSourceMap()) { |
| 590 | return funcName; |
| 591 | } |
| 592 | var lc = this.getLineAndColumn(funcName); |
| 593 | if (lc == null) { |
| 594 | return funcName; |
| 595 | } |
| 596 | // in source maps lines and columns are zero based |
| 597 | var lineNumber = lc.line - 1; |
| 598 | var column = lc.column - 1; |
| 599 | var entry = this.sourceMap.findEntry(lineNumber, column); |
| 600 | var sourceFile = entry[2]; |
| 601 | var sourceLine = entry[3] + 1; |
| 602 | var sourceColumn = entry[4] + 1; |
| 603 | |
| 604 | return sourceFile + ':' + sourceLine + ':' + sourceColumn + ' -> ' + funcName; |
| 605 | }; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 606 | |
| 607 | TickProcessor.prototype.printEntries = function( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 608 | profile, totalTicks, nonLibTicks, filterP, callback, printAllTicks) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 609 | var that = this; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 610 | this.processProfile(profile, filterP, function (rec) { |
| 611 | if (rec.selfTime == 0) return; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 612 | callback(rec); |
| 613 | var funcName = that.formatFunctionName(rec.internalFuncName); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 614 | if(printAllTicks) { |
| 615 | that.printLine(funcName, rec.selfTime, totalTicks, nonLibTicks); |
| 616 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 617 | }); |
| 618 | }; |
| 619 | |
| 620 | |
| 621 | TickProcessor.prototype.printHeavyProfile = function(profile, opt_indent) { |
| 622 | var self = this; |
| 623 | var indent = opt_indent || 0; |
| 624 | var indentStr = padLeft('', indent); |
| 625 | this.processProfile(profile, function() { return true; }, function (rec) { |
| 626 | // Cut off too infrequent callers. |
| 627 | if (rec.parentTotalPercent < TickProcessor.CALL_PROFILE_CUTOFF_PCT) return; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 628 | var funcName = self.formatFunctionName(rec.internalFuncName); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 629 | print(' ' + padLeft(rec.totalTime, 5) + ' ' + |
| 630 | padLeft(rec.parentTotalPercent.toFixed(1), 5) + '% ' + |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 631 | indentStr + funcName); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 632 | // Limit backtrace depth. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 633 | if (indent < 2 * self.callGraphSize_) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 634 | self.printHeavyProfile(rec.children, indent + 2); |
| 635 | } |
| 636 | // Delimit top-level functions. |
| 637 | if (indent == 0) { |
| 638 | print(''); |
| 639 | } |
| 640 | }); |
| 641 | }; |
| 642 | |
| 643 | |
| 644 | function CppEntriesProvider() { |
| 645 | }; |
| 646 | |
| 647 | |
| 648 | CppEntriesProvider.prototype.parseVmSymbols = function( |
| 649 | libName, libStart, libEnd, processorFunc) { |
| 650 | this.loadSymbols(libName); |
| 651 | |
| 652 | var prevEntry; |
| 653 | |
| 654 | function addEntry(funcInfo) { |
| 655 | // Several functions can be mapped onto the same address. To avoid |
| 656 | // creating zero-sized entries, skip such duplicates. |
| 657 | // Also double-check that function belongs to the library address space. |
| 658 | if (prevEntry && !prevEntry.end && |
| 659 | prevEntry.start < funcInfo.start && |
| 660 | prevEntry.start >= libStart && funcInfo.start <= libEnd) { |
| 661 | processorFunc(prevEntry.name, prevEntry.start, funcInfo.start); |
| 662 | } |
| 663 | if (funcInfo.end && |
| 664 | (!prevEntry || prevEntry.start != funcInfo.start) && |
| 665 | funcInfo.start >= libStart && funcInfo.end <= libEnd) { |
| 666 | processorFunc(funcInfo.name, funcInfo.start, funcInfo.end); |
| 667 | } |
| 668 | prevEntry = funcInfo; |
| 669 | } |
| 670 | |
| 671 | while (true) { |
| 672 | var funcInfo = this.parseNextLine(); |
| 673 | if (funcInfo === null) { |
| 674 | continue; |
| 675 | } else if (funcInfo === false) { |
| 676 | break; |
| 677 | } |
| 678 | if (funcInfo.start < libStart && funcInfo.start < libEnd - libStart) { |
| 679 | funcInfo.start += libStart; |
| 680 | } |
| 681 | if (funcInfo.size) { |
| 682 | funcInfo.end = funcInfo.start + funcInfo.size; |
| 683 | } |
| 684 | addEntry(funcInfo); |
| 685 | } |
| 686 | addEntry({name: '', start: libEnd}); |
| 687 | }; |
| 688 | |
| 689 | |
| 690 | CppEntriesProvider.prototype.loadSymbols = function(libName) { |
| 691 | }; |
| 692 | |
| 693 | |
| 694 | CppEntriesProvider.prototype.parseNextLine = function() { |
| 695 | return false; |
| 696 | }; |
| 697 | |
| 698 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 699 | function UnixCppEntriesProvider(nmExec, targetRootFS) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 700 | this.symbols = []; |
| 701 | this.parsePos = 0; |
| 702 | this.nmExec = nmExec; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 703 | this.targetRootFS = targetRootFS; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 704 | this.FUNC_RE = /^([0-9a-fA-F]{8,16}) ([0-9a-fA-F]{8,16} )?[tTwW] (.*)$/; |
| 705 | }; |
| 706 | inherits(UnixCppEntriesProvider, CppEntriesProvider); |
| 707 | |
| 708 | |
| 709 | UnixCppEntriesProvider.prototype.loadSymbols = function(libName) { |
| 710 | this.parsePos = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 711 | libName = this.targetRootFS + libName; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 712 | try { |
| 713 | this.symbols = [ |
| 714 | os.system(this.nmExec, ['-C', '-n', '-S', libName], -1, -1), |
| 715 | os.system(this.nmExec, ['-C', '-n', '-S', '-D', libName], -1, -1) |
| 716 | ]; |
| 717 | } catch (e) { |
| 718 | // If the library cannot be found on this system let's not panic. |
| 719 | this.symbols = ['', '']; |
| 720 | } |
| 721 | }; |
| 722 | |
| 723 | |
| 724 | UnixCppEntriesProvider.prototype.parseNextLine = function() { |
| 725 | if (this.symbols.length == 0) { |
| 726 | return false; |
| 727 | } |
| 728 | var lineEndPos = this.symbols[0].indexOf('\n', this.parsePos); |
| 729 | if (lineEndPos == -1) { |
| 730 | this.symbols.shift(); |
| 731 | this.parsePos = 0; |
| 732 | return this.parseNextLine(); |
| 733 | } |
| 734 | |
| 735 | var line = this.symbols[0].substring(this.parsePos, lineEndPos); |
| 736 | this.parsePos = lineEndPos + 1; |
| 737 | var fields = line.match(this.FUNC_RE); |
| 738 | var funcInfo = null; |
| 739 | if (fields) { |
| 740 | funcInfo = { name: fields[3], start: parseInt(fields[1], 16) }; |
| 741 | if (fields[2]) { |
| 742 | funcInfo.size = parseInt(fields[2], 16); |
| 743 | } |
| 744 | } |
| 745 | return funcInfo; |
| 746 | }; |
| 747 | |
| 748 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 749 | function MacCppEntriesProvider(nmExec, targetRootFS) { |
| 750 | UnixCppEntriesProvider.call(this, nmExec, targetRootFS); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 751 | // Note an empty group. It is required, as UnixCppEntriesProvider expects 3 groups. |
| 752 | this.FUNC_RE = /^([0-9a-fA-F]{8,16}) ()[iItT] (.*)$/; |
| 753 | }; |
| 754 | inherits(MacCppEntriesProvider, UnixCppEntriesProvider); |
| 755 | |
| 756 | |
| 757 | MacCppEntriesProvider.prototype.loadSymbols = function(libName) { |
| 758 | this.parsePos = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 759 | libName = this.targetRootFS + libName; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 760 | try { |
| 761 | this.symbols = [os.system(this.nmExec, ['-n', '-f', libName], -1, -1), '']; |
| 762 | } catch (e) { |
| 763 | // If the library cannot be found on this system let's not panic. |
| 764 | this.symbols = ''; |
| 765 | } |
| 766 | }; |
| 767 | |
| 768 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 769 | function WindowsCppEntriesProvider(_ignored_nmExec, targetRootFS) { |
| 770 | this.targetRootFS = targetRootFS; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 771 | this.symbols = ''; |
| 772 | this.parsePos = 0; |
| 773 | }; |
| 774 | inherits(WindowsCppEntriesProvider, CppEntriesProvider); |
| 775 | |
| 776 | |
| 777 | WindowsCppEntriesProvider.FILENAME_RE = /^(.*)\.([^.]+)$/; |
| 778 | |
| 779 | |
| 780 | WindowsCppEntriesProvider.FUNC_RE = |
| 781 | /^\s+0001:[0-9a-fA-F]{8}\s+([_\?@$0-9a-zA-Z]+)\s+([0-9a-fA-F]{8}).*$/; |
| 782 | |
| 783 | |
| 784 | WindowsCppEntriesProvider.IMAGE_BASE_RE = |
| 785 | /^\s+0000:00000000\s+___ImageBase\s+([0-9a-fA-F]{8}).*$/; |
| 786 | |
| 787 | |
| 788 | // This is almost a constant on Windows. |
| 789 | WindowsCppEntriesProvider.EXE_IMAGE_BASE = 0x00400000; |
| 790 | |
| 791 | |
| 792 | WindowsCppEntriesProvider.prototype.loadSymbols = function(libName) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 793 | libName = this.targetRootFS + libName; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 794 | var fileNameFields = libName.match(WindowsCppEntriesProvider.FILENAME_RE); |
| 795 | if (!fileNameFields) return; |
| 796 | var mapFileName = fileNameFields[1] + '.map'; |
| 797 | this.moduleType_ = fileNameFields[2].toLowerCase(); |
| 798 | try { |
| 799 | this.symbols = read(mapFileName); |
| 800 | } catch (e) { |
| 801 | // If .map file cannot be found let's not panic. |
| 802 | this.symbols = ''; |
| 803 | } |
| 804 | }; |
| 805 | |
| 806 | |
| 807 | WindowsCppEntriesProvider.prototype.parseNextLine = function() { |
| 808 | var lineEndPos = this.symbols.indexOf('\r\n', this.parsePos); |
| 809 | if (lineEndPos == -1) { |
| 810 | return false; |
| 811 | } |
| 812 | |
| 813 | var line = this.symbols.substring(this.parsePos, lineEndPos); |
| 814 | this.parsePos = lineEndPos + 2; |
| 815 | |
| 816 | // Image base entry is above all other symbols, so we can just |
| 817 | // terminate parsing. |
| 818 | var imageBaseFields = line.match(WindowsCppEntriesProvider.IMAGE_BASE_RE); |
| 819 | if (imageBaseFields) { |
| 820 | var imageBase = parseInt(imageBaseFields[1], 16); |
| 821 | if ((this.moduleType_ == 'exe') != |
| 822 | (imageBase == WindowsCppEntriesProvider.EXE_IMAGE_BASE)) { |
| 823 | return false; |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | var fields = line.match(WindowsCppEntriesProvider.FUNC_RE); |
| 828 | return fields ? |
| 829 | { name: this.unmangleName(fields[1]), start: parseInt(fields[2], 16) } : |
| 830 | null; |
| 831 | }; |
| 832 | |
| 833 | |
| 834 | /** |
| 835 | * Performs very simple unmangling of C++ names. |
| 836 | * |
| 837 | * Does not handle arguments and template arguments. The mangled names have |
| 838 | * the form: |
| 839 | * |
| 840 | * ?LookupInDescriptor@JSObject@internal@v8@@...arguments info... |
| 841 | */ |
| 842 | WindowsCppEntriesProvider.prototype.unmangleName = function(name) { |
| 843 | // Empty or non-mangled name. |
| 844 | if (name.length < 1 || name.charAt(0) != '?') return name; |
| 845 | var nameEndPos = name.indexOf('@@'); |
| 846 | var components = name.substring(1, nameEndPos).split('@'); |
| 847 | components.reverse(); |
| 848 | return components.join('::'); |
| 849 | }; |
| 850 | |
| 851 | |
| 852 | function ArgumentsProcessor(args) { |
| 853 | this.args_ = args; |
| 854 | this.result_ = ArgumentsProcessor.DEFAULTS; |
| 855 | |
| 856 | this.argsDispatch_ = { |
| 857 | '-j': ['stateFilter', TickProcessor.VmStates.JS, |
| 858 | 'Show only ticks from JS VM state'], |
| 859 | '-g': ['stateFilter', TickProcessor.VmStates.GC, |
| 860 | 'Show only ticks from GC VM state'], |
| 861 | '-c': ['stateFilter', TickProcessor.VmStates.COMPILER, |
| 862 | 'Show only ticks from COMPILER VM state'], |
| 863 | '-o': ['stateFilter', TickProcessor.VmStates.OTHER, |
| 864 | 'Show only ticks from OTHER VM state'], |
| 865 | '-e': ['stateFilter', TickProcessor.VmStates.EXTERNAL, |
| 866 | 'Show only ticks from EXTERNAL VM state'], |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 867 | '--call-graph-size': ['callGraphSize', TickProcessor.CALL_GRAPH_SIZE, |
| 868 | 'Set the call graph size'], |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 869 | '--ignore-unknown': ['ignoreUnknown', true, |
| 870 | 'Exclude ticks of unknown code entries from processing'], |
| 871 | '--separate-ic': ['separateIc', true, |
| 872 | 'Separate IC entries'], |
| 873 | '--unix': ['platform', 'unix', |
| 874 | 'Specify that we are running on *nix platform'], |
| 875 | '--windows': ['platform', 'windows', |
| 876 | 'Specify that we are running on Windows platform'], |
| 877 | '--mac': ['platform', 'mac', |
| 878 | 'Specify that we are running on Mac OS X platform'], |
| 879 | '--nm': ['nm', 'nm', |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 880 | 'Specify the \'nm\' executable to use (e.g. --nm=/my_dir/nm)'], |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 881 | '--target': ['targetRootFS', '', |
| 882 | 'Specify the target root directory for cross environment'], |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 883 | '--snapshot-log': ['snapshotLogFileName', 'snapshot.log', |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 884 | 'Specify snapshot log file to use (e.g. --snapshot-log=snapshot.log)'], |
| 885 | '--range': ['range', 'auto,auto', |
| 886 | 'Specify the range limit as [start],[end]'], |
| 887 | '--distortion': ['distortion', 0, |
| 888 | 'Specify the logging overhead in picoseconds'], |
| 889 | '--source-map': ['sourceMap', null, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 890 | 'Specify the source map that should be used for output'], |
| 891 | '--timed-range': ['timedRange', true, |
| 892 | 'Ignore ticks before first and after last Date.now() call'], |
| 893 | '--pairwise-timed-range': ['pairwiseTimedRange', true, |
| 894 | 'Ignore ticks outside pairs of Date.now() calls'], |
| 895 | '--only-summary': ['onlySummary', true, |
| 896 | 'Print only tick summary, exclude other information'] |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 897 | }; |
| 898 | this.argsDispatch_['--js'] = this.argsDispatch_['-j']; |
| 899 | this.argsDispatch_['--gc'] = this.argsDispatch_['-g']; |
| 900 | this.argsDispatch_['--compiler'] = this.argsDispatch_['-c']; |
| 901 | this.argsDispatch_['--other'] = this.argsDispatch_['-o']; |
| 902 | this.argsDispatch_['--external'] = this.argsDispatch_['-e']; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 903 | this.argsDispatch_['--ptr'] = this.argsDispatch_['--pairwise-timed-range']; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 904 | }; |
| 905 | |
| 906 | |
| 907 | ArgumentsProcessor.DEFAULTS = { |
| 908 | logFileName: 'v8.log', |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 909 | snapshotLogFileName: null, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 910 | platform: 'unix', |
| 911 | stateFilter: null, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 912 | callGraphSize: 5, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 913 | ignoreUnknown: false, |
| 914 | separateIc: false, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 915 | targetRootFS: '', |
| 916 | nm: 'nm', |
| 917 | range: 'auto,auto', |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 918 | distortion: 0, |
| 919 | timedRange: false, |
| 920 | pairwiseTimedRange: false, |
| 921 | onlySummary: false |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 922 | }; |
| 923 | |
| 924 | |
| 925 | ArgumentsProcessor.prototype.parse = function() { |
| 926 | while (this.args_.length) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 927 | var arg = this.args_.shift(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 928 | if (arg.charAt(0) != '-') { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 929 | this.result_.logFileName = arg; |
| 930 | continue; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 931 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 932 | var userValue = null; |
| 933 | var eqPos = arg.indexOf('='); |
| 934 | if (eqPos != -1) { |
| 935 | userValue = arg.substr(eqPos + 1); |
| 936 | arg = arg.substr(0, eqPos); |
| 937 | } |
| 938 | if (arg in this.argsDispatch_) { |
| 939 | var dispatch = this.argsDispatch_[arg]; |
| 940 | this.result_[dispatch[0]] = userValue == null ? dispatch[1] : userValue; |
| 941 | } else { |
| 942 | return false; |
| 943 | } |
| 944 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 945 | return true; |
| 946 | }; |
| 947 | |
| 948 | |
| 949 | ArgumentsProcessor.prototype.result = function() { |
| 950 | return this.result_; |
| 951 | }; |
| 952 | |
| 953 | |
| 954 | ArgumentsProcessor.prototype.printUsageAndExit = function() { |
| 955 | |
| 956 | function padRight(s, len) { |
| 957 | s = s.toString(); |
| 958 | if (s.length < len) { |
| 959 | s = s + (new Array(len - s.length + 1).join(' ')); |
| 960 | } |
| 961 | return s; |
| 962 | } |
| 963 | |
| 964 | print('Cmdline args: [options] [log-file-name]\n' + |
| 965 | 'Default log file name is "' + |
| 966 | ArgumentsProcessor.DEFAULTS.logFileName + '".\n'); |
| 967 | print('Options:'); |
| 968 | for (var arg in this.argsDispatch_) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 969 | var synonyms = [arg]; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 970 | var dispatch = this.argsDispatch_[arg]; |
| 971 | for (var synArg in this.argsDispatch_) { |
| 972 | if (arg !== synArg && dispatch === this.argsDispatch_[synArg]) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 973 | synonyms.push(synArg); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 974 | delete this.argsDispatch_[synArg]; |
| 975 | } |
| 976 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 977 | print(' ' + padRight(synonyms.join(', '), 20) + " " + dispatch[2]); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 978 | } |
| 979 | quit(2); |
| 980 | }; |