ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 1 | # Copyright 2008 the V8 project authors. All rights reserved. |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +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 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 28 | import csv, splaytree, sys, re |
| 29 | from operator import itemgetter |
| 30 | import getopt, os, string |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 31 | |
| 32 | class CodeEntry(object): |
| 33 | |
| 34 | def __init__(self, start_addr, name): |
| 35 | self.start_addr = start_addr |
| 36 | self.tick_count = 0 |
| 37 | self.name = name |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 38 | self.stacks = {} |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 39 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 40 | def Tick(self, pc, stack): |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 41 | self.tick_count += 1 |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 42 | if len(stack) > 0: |
| 43 | stack.insert(0, self.ToString()) |
| 44 | stack_key = tuple(stack) |
| 45 | self.stacks[stack_key] = self.stacks.setdefault(stack_key, 0) + 1 |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 46 | |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 47 | def RegionTicks(self): |
| 48 | return None |
| 49 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 50 | def SetStartAddress(self, start_addr): |
| 51 | self.start_addr = start_addr |
| 52 | |
| 53 | def ToString(self): |
| 54 | return self.name |
| 55 | |
| 56 | def IsSharedLibraryEntry(self): |
| 57 | return False |
| 58 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 59 | def IsICEntry(self): |
| 60 | return False |
| 61 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 62 | |
| 63 | class SharedLibraryEntry(CodeEntry): |
| 64 | |
| 65 | def __init__(self, start_addr, name): |
| 66 | CodeEntry.__init__(self, start_addr, name) |
| 67 | |
| 68 | def IsSharedLibraryEntry(self): |
| 69 | return True |
| 70 | |
| 71 | |
| 72 | class JSCodeEntry(CodeEntry): |
| 73 | |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 74 | def __init__(self, start_addr, name, type, size, assembler): |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 75 | CodeEntry.__init__(self, start_addr, name) |
| 76 | self.type = type |
| 77 | self.size = size |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 78 | self.assembler = assembler |
| 79 | self.region_ticks = None |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 80 | self.builtin_ic_re = re.compile('^(Keyed)?(Call|Load|Store)IC_') |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 81 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 82 | def Tick(self, pc, stack): |
| 83 | super(JSCodeEntry, self).Tick(pc, stack) |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 84 | if not pc is None: |
| 85 | offset = pc - self.start_addr |
| 86 | seen = [] |
| 87 | narrowest = None |
| 88 | narrowest_width = None |
| 89 | for region in self.Regions(): |
| 90 | if region.Contains(offset): |
| 91 | if (not region.name in seen): |
| 92 | seen.append(region.name) |
| 93 | if narrowest is None or region.Width() < narrowest.Width(): |
| 94 | narrowest = region |
| 95 | if len(seen) == 0: |
| 96 | return |
| 97 | if self.region_ticks is None: |
| 98 | self.region_ticks = {} |
| 99 | for name in seen: |
| 100 | if not name in self.region_ticks: |
| 101 | self.region_ticks[name] = [0, 0] |
| 102 | self.region_ticks[name][0] += 1 |
| 103 | if name == narrowest.name: |
| 104 | self.region_ticks[name][1] += 1 |
| 105 | |
| 106 | def RegionTicks(self): |
| 107 | return self.region_ticks |
| 108 | |
| 109 | def Regions(self): |
| 110 | if self.assembler: |
| 111 | return self.assembler.regions |
| 112 | else: |
| 113 | return [] |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 114 | |
| 115 | def ToString(self): |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 116 | name = self.name |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 117 | if name == '': |
| 118 | name = '<anonymous>' |
| 119 | elif name.startswith(' '): |
| 120 | name = '<anonymous>' + name |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 121 | return self.type + ': ' + name |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 122 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 123 | def IsICEntry(self): |
| 124 | return self.type in ('CallIC', 'LoadIC', 'StoreIC') or \ |
| 125 | (self.type == 'Builtin' and self.builtin_ic_re.match(self.name)) |
| 126 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 127 | |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 128 | class CodeRegion(object): |
| 129 | |
| 130 | def __init__(self, start_offset, name): |
| 131 | self.start_offset = start_offset |
| 132 | self.name = name |
| 133 | self.end_offset = None |
| 134 | |
| 135 | def Contains(self, pc): |
| 136 | return (self.start_offset <= pc) and (pc <= self.end_offset) |
| 137 | |
| 138 | def Width(self): |
| 139 | return self.end_offset - self.start_offset |
| 140 | |
| 141 | |
| 142 | class Assembler(object): |
| 143 | |
| 144 | def __init__(self): |
| 145 | # Mapping from region ids to open regions |
| 146 | self.pending_regions = {} |
| 147 | self.regions = [] |
| 148 | |
| 149 | |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 150 | VMStates = { 'JS': 0, 'GC': 1, 'COMPILER': 2, 'OTHER': 3 } |
| 151 | |
| 152 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 153 | class TickProcessor(object): |
| 154 | |
| 155 | def __init__(self): |
| 156 | self.log_file = '' |
| 157 | self.deleted_code = [] |
| 158 | self.vm_extent = {} |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 159 | # Map from assembler ids to the pending assembler objects |
| 160 | self.pending_assemblers = {} |
| 161 | # Map from code addresses the have been allocated but not yet officially |
| 162 | # created to their assemblers. |
| 163 | self.assemblers = {} |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 164 | self.js_entries = splaytree.SplayTree() |
| 165 | self.cpp_entries = splaytree.SplayTree() |
| 166 | self.total_number_of_ticks = 0 |
| 167 | self.number_of_library_ticks = 0 |
| 168 | self.unaccounted_number_of_ticks = 0 |
| 169 | self.excluded_number_of_ticks = 0 |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 170 | self.number_of_gc_ticks = 0 |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 171 | # Flag indicating whether to ignore unaccounted ticks in the report |
| 172 | self.ignore_unknown = False |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 173 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 174 | def ProcessLogfile(self, filename, included_state = None, ignore_unknown = False, separate_ic = False): |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 175 | self.log_file = filename |
| 176 | self.included_state = included_state |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 177 | self.ignore_unknown = ignore_unknown |
| 178 | self.separate_ic = separate_ic |
| 179 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 180 | try: |
| 181 | logfile = open(filename, 'rb') |
| 182 | except IOError: |
| 183 | sys.exit("Could not open logfile: " + filename) |
| 184 | try: |
| 185 | logreader = csv.reader(logfile) |
| 186 | for row in logreader: |
| 187 | if row[0] == 'tick': |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 188 | self.ProcessTick(int(row[1], 16), int(row[2], 16), int(row[3]), self.PreprocessStack(row[4:])) |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 189 | elif row[0] == 'code-creation': |
| 190 | self.ProcessCodeCreation(row[1], int(row[2], 16), int(row[3]), row[4]) |
| 191 | elif row[0] == 'code-move': |
| 192 | self.ProcessCodeMove(int(row[1], 16), int(row[2], 16)) |
| 193 | elif row[0] == 'code-delete': |
| 194 | self.ProcessCodeDelete(int(row[1], 16)) |
| 195 | elif row[0] == 'shared-library': |
| 196 | self.AddSharedLibraryEntry(row[1], int(row[2], 16), int(row[3], 16)) |
| 197 | self.ParseVMSymbols(row[1], int(row[2], 16), int(row[3], 16)) |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 198 | elif row[0] == 'begin-code-region': |
| 199 | self.ProcessBeginCodeRegion(int(row[1], 16), int(row[2], 16), int(row[3], 16), row[4]) |
| 200 | elif row[0] == 'end-code-region': |
| 201 | self.ProcessEndCodeRegion(int(row[1], 16), int(row[2], 16), int(row[3], 16)) |
| 202 | elif row[0] == 'code-allocate': |
| 203 | self.ProcessCodeAllocate(int(row[1], 16), int(row[2], 16)) |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 204 | finally: |
| 205 | logfile.close() |
| 206 | |
| 207 | def AddSharedLibraryEntry(self, filename, start, end): |
| 208 | # Mark the pages used by this library. |
| 209 | i = start |
| 210 | while i < end: |
| 211 | page = i >> 12 |
| 212 | self.vm_extent[page] = 1 |
| 213 | i += 4096 |
| 214 | # Add the library to the entries so that ticks for which we do not |
| 215 | # have symbol information is reported as belonging to the library. |
| 216 | self.cpp_entries.Insert(start, SharedLibraryEntry(start, filename)) |
| 217 | |
| 218 | def ParseVMSymbols(self, filename, start, end): |
| 219 | return |
| 220 | |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 221 | def ProcessCodeAllocate(self, addr, assem): |
| 222 | if assem in self.pending_assemblers: |
| 223 | assembler = self.pending_assemblers.pop(assem) |
| 224 | self.assemblers[addr] = assembler |
| 225 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 226 | def ProcessCodeCreation(self, type, addr, size, name): |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 227 | if addr in self.assemblers: |
| 228 | assembler = self.assemblers.pop(addr) |
| 229 | else: |
| 230 | assembler = None |
| 231 | self.js_entries.Insert(addr, JSCodeEntry(addr, name, type, size, assembler)) |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 232 | |
| 233 | def ProcessCodeMove(self, from_addr, to_addr): |
| 234 | try: |
| 235 | removed_node = self.js_entries.Remove(from_addr) |
| 236 | removed_node.value.SetStartAddress(to_addr); |
| 237 | self.js_entries.Insert(to_addr, removed_node.value) |
| 238 | except 'KeyNotFound': |
| 239 | print('Code move event for unknown code: 0x%x' % from_addr) |
| 240 | |
| 241 | def ProcessCodeDelete(self, from_addr): |
| 242 | try: |
| 243 | removed_node = self.js_entries.Remove(from_addr) |
| 244 | self.deleted_code.append(removed_node.value) |
| 245 | except 'KeyNotFound': |
| 246 | print('Code delete event for unknown code: 0x%x' % from_addr) |
| 247 | |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 248 | def ProcessBeginCodeRegion(self, id, assm, start, name): |
| 249 | if not assm in self.pending_assemblers: |
| 250 | self.pending_assemblers[assm] = Assembler() |
| 251 | assembler = self.pending_assemblers[assm] |
| 252 | assembler.pending_regions[id] = CodeRegion(start, name) |
| 253 | |
| 254 | def ProcessEndCodeRegion(self, id, assm, end): |
| 255 | assm = self.pending_assemblers[assm] |
| 256 | region = assm.pending_regions.pop(id) |
| 257 | region.end_offset = end |
| 258 | assm.regions.append(region) |
| 259 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 260 | def IncludeTick(self, pc, sp, state): |
| 261 | return (self.included_state is None) or (self.included_state == state) |
| 262 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 263 | def FindEntry(self, pc): |
| 264 | page = pc >> 12 |
| 265 | if page in self.vm_extent: |
| 266 | entry = self.cpp_entries.FindGreatestsLessThan(pc) |
| 267 | if entry != None: |
| 268 | return entry.value |
| 269 | else: |
| 270 | return entry |
| 271 | max = self.js_entries.FindMax() |
| 272 | min = self.js_entries.FindMin() |
| 273 | if max != None and pc < (max.key + max.value.size) and pc > min.key: |
| 274 | return self.js_entries.FindGreatestsLessThan(pc).value |
| 275 | return None |
| 276 | |
| 277 | def PreprocessStack(self, stack): |
| 278 | # remove all non-addresses (e.g. 'overflow') and convert to int |
| 279 | result = [] |
| 280 | for frame in stack: |
| 281 | if frame.startswith('0x'): |
| 282 | result.append(int(frame, 16)) |
| 283 | return result |
| 284 | |
| 285 | def ProcessStack(self, stack): |
| 286 | result = [] |
| 287 | for frame in stack: |
| 288 | entry = self.FindEntry(frame) |
| 289 | if entry != None: |
| 290 | result.append(entry.ToString()) |
| 291 | return result |
| 292 | |
| 293 | def ProcessTick(self, pc, sp, state, stack): |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 294 | if state == VMStates['GC']: |
| 295 | self.number_of_gc_ticks += 1 |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 296 | if not self.IncludeTick(pc, sp, state): |
| 297 | self.excluded_number_of_ticks += 1; |
| 298 | return |
| 299 | self.total_number_of_ticks += 1 |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 300 | entry = self.FindEntry(pc) |
| 301 | if entry == None: |
| 302 | self.unaccounted_number_of_ticks += 1 |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 303 | return |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 304 | if entry.IsSharedLibraryEntry(): |
| 305 | self.number_of_library_ticks += 1 |
| 306 | if entry.IsICEntry() and not self.separate_ic: |
| 307 | if len(stack) > 0: |
| 308 | caller_pc = stack.pop(0) |
| 309 | self.total_number_of_ticks -= 1 |
| 310 | self.ProcessTick(caller_pc, sp, state, stack) |
| 311 | else: |
| 312 | self.unaccounted_number_of_ticks += 1 |
| 313 | else: |
| 314 | entry.Tick(pc, self.ProcessStack(stack)) |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 315 | |
| 316 | def PrintResults(self): |
| 317 | print('Statistical profiling result from %s, (%d ticks, %d unaccounted, %d excluded).' % |
| 318 | (self.log_file, |
| 319 | self.total_number_of_ticks, |
| 320 | self.unaccounted_number_of_ticks, |
| 321 | self.excluded_number_of_ticks)) |
| 322 | if self.total_number_of_ticks > 0: |
| 323 | js_entries = self.js_entries.ExportValueList() |
| 324 | js_entries.extend(self.deleted_code) |
| 325 | cpp_entries = self.cpp_entries.ExportValueList() |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 326 | # Print the unknown ticks percentage if they are not ignored. |
| 327 | if not self.ignore_unknown and self.unaccounted_number_of_ticks > 0: |
| 328 | self.PrintHeader('Unknown') |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 329 | self.PrintCounter(self.unaccounted_number_of_ticks) |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 330 | # Print the library ticks. |
| 331 | self.PrintHeader('Shared libraries') |
| 332 | self.PrintEntries(cpp_entries, lambda e:e.IsSharedLibraryEntry()) |
| 333 | # Print the JavaScript ticks. |
| 334 | self.PrintHeader('JavaScript') |
| 335 | self.PrintEntries(js_entries, lambda e:not e.IsSharedLibraryEntry()) |
| 336 | # Print the C++ ticks. |
| 337 | self.PrintHeader('C++') |
| 338 | self.PrintEntries(cpp_entries, lambda e:not e.IsSharedLibraryEntry()) |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 339 | # Print the GC ticks. |
| 340 | self.PrintHeader('GC') |
| 341 | self.PrintCounter(self.number_of_gc_ticks) |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 342 | # Print call profile. |
| 343 | print('\n [Call profile]:') |
| 344 | print(' total call path') |
| 345 | js_entries.extend(cpp_entries) |
| 346 | self.PrintCallProfile(js_entries) |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 347 | |
| 348 | def PrintHeader(self, header_title): |
| 349 | print('\n [%s]:' % header_title) |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 350 | print(' ticks total nonlib name') |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 351 | |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 352 | def PrintCounter(self, ticks_count): |
| 353 | percentage = ticks_count * 100.0 / self.total_number_of_ticks |
| 354 | print(' %(ticks)5d %(total)5.1f%%' % { |
| 355 | 'ticks' : ticks_count, |
| 356 | 'total' : percentage, |
| 357 | }) |
| 358 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 359 | def PrintEntries(self, entries, condition): |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 360 | # If ignoring unaccounted ticks don't include these in percentage |
| 361 | # calculations |
| 362 | number_of_accounted_ticks = self.total_number_of_ticks |
| 363 | if self.ignore_unknown: |
| 364 | number_of_accounted_ticks -= self.unaccounted_number_of_ticks |
| 365 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 366 | number_of_non_library_ticks = number_of_accounted_ticks - self.number_of_library_ticks |
| 367 | entries.sort(key=lambda e:e.tick_count, reverse=True) |
| 368 | for entry in entries: |
| 369 | if entry.tick_count > 0 and condition(entry): |
| 370 | total_percentage = entry.tick_count * 100.0 / number_of_accounted_ticks |
| 371 | if entry.IsSharedLibraryEntry(): |
| 372 | non_library_percentage = 0 |
| 373 | else: |
| 374 | non_library_percentage = entry.tick_count * 100.0 / number_of_non_library_ticks |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 375 | print(' %(ticks)5d %(total)5.1f%% %(nonlib)6.1f%% %(name)s' % { |
| 376 | 'ticks' : entry.tick_count, |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 377 | 'total' : total_percentage, |
| 378 | 'nonlib' : non_library_percentage, |
| 379 | 'name' : entry.ToString() |
| 380 | }) |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 381 | region_ticks = entry.RegionTicks() |
| 382 | if not region_ticks is None: |
| 383 | items = region_ticks.items() |
| 384 | items.sort(key=lambda e: e[1][1], reverse=True) |
| 385 | for (name, ticks) in items: |
| 386 | print(' flat cum') |
| 387 | print(' %(flat)5.1f%% %(accum)5.1f%% %(name)s' % { |
| 388 | 'flat' : ticks[1] * 100.0 / entry.tick_count, |
| 389 | 'accum' : ticks[0] * 100.0 / entry.tick_count, |
| 390 | 'name': name |
| 391 | }) |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 392 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 393 | def PrintCallProfile(self, entries): |
| 394 | all_stacks = {} |
| 395 | total_stacks = 0 |
| 396 | for entry in entries: |
| 397 | all_stacks.update(entry.stacks) |
| 398 | for count in entry.stacks.itervalues(): |
| 399 | total_stacks += count |
| 400 | all_stacks_items = all_stacks.items(); |
| 401 | all_stacks_items.sort(key = itemgetter(1), reverse=True) |
| 402 | missing_percentage = (self.total_number_of_ticks - total_stacks) * 100.0 / self.total_number_of_ticks |
| 403 | print(' %(ticks)5d %(total)5.1f%% <no call path information>' % { |
| 404 | 'ticks' : self.total_number_of_ticks - total_stacks, |
| 405 | 'total' : missing_percentage |
| 406 | }) |
| 407 | for stack, count in all_stacks_items: |
| 408 | total_percentage = count * 100.0 / self.total_number_of_ticks |
| 409 | print(' %(ticks)5d %(total)5.1f%% %(call_path)s' % { |
| 410 | 'ticks' : count, |
| 411 | 'total' : total_percentage, |
| 412 | 'call_path' : stack[0] + ' <- ' + stack[1] |
| 413 | }) |
| 414 | |
| 415 | |
| 416 | class CmdLineProcessor(object): |
| 417 | |
| 418 | def __init__(self): |
| 419 | self.options = ["js", "gc", "compiler", "other", "ignore-unknown", "separate-ic"] |
| 420 | # default values |
| 421 | self.state = None |
| 422 | self.ignore_unknown = False |
| 423 | self.log_file = None |
| 424 | self.separate_ic = False |
| 425 | |
| 426 | def ProcessArguments(self): |
| 427 | try: |
| 428 | opts, args = getopt.getopt(sys.argv[1:], "jgco", self.options) |
| 429 | except getopt.GetoptError: |
| 430 | self.PrintUsageAndExit() |
| 431 | for key, value in opts: |
| 432 | if key in ("-j", "--js"): |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 433 | self.state = VMStates['JS'] |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 434 | if key in ("-g", "--gc"): |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 435 | self.state = VMStates['GC'] |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 436 | if key in ("-c", "--compiler"): |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 437 | self.state = VMStates['COMPILER'] |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 438 | if key in ("-o", "--other"): |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame^] | 439 | self.state = VMStates['OTHER'] |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 440 | if key in ("--ignore-unknown"): |
| 441 | self.ignore_unknown = True |
| 442 | if key in ("--separate-ic"): |
| 443 | self.separate_ic = True |
| 444 | self.ProcessRequiredArgs(args) |
| 445 | |
| 446 | def ProcessRequiredArgs(self, args): |
| 447 | return |
| 448 | |
| 449 | def GetRequiredArgsNames(self): |
| 450 | return |
| 451 | |
| 452 | def PrintUsageAndExit(self): |
| 453 | print('Usage: %(script_name)s --{%(opts)s} %(req_opts)s' % { |
| 454 | 'script_name': os.path.basename(sys.argv[0]), |
| 455 | 'opts': string.join(self.options, ','), |
| 456 | 'req_opts': self.GetRequiredArgsNames() |
| 457 | }) |
| 458 | sys.exit(2) |
| 459 | |
| 460 | def RunLogfileProcessing(self, tick_processor): |
| 461 | tick_processor.ProcessLogfile(self.log_file, self.state, self.ignore_unknown, self.separate_ic) |
| 462 | |
| 463 | |
ager@chromium.org | c27e4e7 | 2008-09-04 13:52:27 +0000 | [diff] [blame] | 464 | if __name__ == '__main__': |
| 465 | sys.exit('You probably want to run windows-tick-processor.py or linux-tick-processor.py.') |