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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_PROFILE_GENERATOR_H_ | 5 #ifndef V8_PROFILE_GENERATOR_H_ |
6 #define V8_PROFILE_GENERATOR_H_ | 6 #define V8_PROFILE_GENERATOR_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include "include/v8-profiler.h" | 9 #include "include/v8-profiler.h" |
10 #include "src/allocation.h" | 10 #include "src/allocation.h" |
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30 bool empty() const { return pc_offset_map_.empty(); } | 30 bool empty() const { return pc_offset_map_.empty(); } |
31 | 31 |
32 private: | 32 private: |
33 // pc_offset -> source line | 33 // pc_offset -> source line |
34 typedef std::map<int, int> PcOffsetMap; | 34 typedef std::map<int, int> PcOffsetMap; |
35 PcOffsetMap pc_offset_map_; | 35 PcOffsetMap pc_offset_map_; |
36 DISALLOW_COPY_AND_ASSIGN(JITLineInfoTable); | 36 DISALLOW_COPY_AND_ASSIGN(JITLineInfoTable); |
37 }; | 37 }; |
38 | 38 |
39 | 39 |
| 40 struct DeoptInfo { |
| 41 const char* deopt_reason; |
| 42 struct Frame { |
| 43 int script_id; |
| 44 int position; |
| 45 }; |
| 46 std::vector<Frame> stack; |
| 47 }; |
| 48 |
| 49 |
40 class CodeEntry { | 50 class CodeEntry { |
41 public: | 51 public: |
42 // CodeEntry doesn't own name strings, just references them. | 52 // CodeEntry doesn't own name strings, just references them. |
43 inline CodeEntry(Logger::LogEventsAndTags tag, const char* name, | 53 inline CodeEntry(Logger::LogEventsAndTags tag, const char* name, |
44 const char* name_prefix = CodeEntry::kEmptyNamePrefix, | 54 const char* name_prefix = CodeEntry::kEmptyNamePrefix, |
45 const char* resource_name = CodeEntry::kEmptyResourceName, | 55 const char* resource_name = CodeEntry::kEmptyResourceName, |
46 int line_number = v8::CpuProfileNode::kNoLineNumberInfo, | 56 int line_number = v8::CpuProfileNode::kNoLineNumberInfo, |
47 int column_number = v8::CpuProfileNode::kNoColumnNumberInfo, | 57 int column_number = v8::CpuProfileNode::kNoColumnNumberInfo, |
48 JITLineInfoTable* line_info = NULL, | 58 JITLineInfoTable* line_info = NULL, |
49 Address instruction_start = NULL); | 59 Address instruction_start = NULL); |
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66 } | 76 } |
67 const char* bailout_reason() const { return bailout_reason_; } | 77 const char* bailout_reason() const { return bailout_reason_; } |
68 | 78 |
69 void set_deopt_info(const char* deopt_reason, SourcePosition position, | 79 void set_deopt_info(const char* deopt_reason, SourcePosition position, |
70 size_t pc_offset) { | 80 size_t pc_offset) { |
71 DCHECK(deopt_position_.IsUnknown()); | 81 DCHECK(deopt_position_.IsUnknown()); |
72 deopt_reason_ = deopt_reason; | 82 deopt_reason_ = deopt_reason; |
73 deopt_position_ = position; | 83 deopt_position_ = position; |
74 pc_offset_ = pc_offset; | 84 pc_offset_ = pc_offset; |
75 } | 85 } |
76 CpuProfileDeoptInfo GetDeoptInfo(); | 86 DeoptInfo GetDeoptInfo(); |
77 const char* deopt_reason() const { return deopt_reason_; } | 87 const char* deopt_reason() const { return deopt_reason_; } |
78 SourcePosition deopt_position() const { return deopt_position_; } | 88 SourcePosition deopt_position() const { return deopt_position_; } |
79 bool has_deopt_info() const { return !deopt_position_.IsUnknown(); } | 89 bool has_deopt_info() const { return !deopt_position_.IsUnknown(); } |
80 void clear_deopt_info() { | 90 void clear_deopt_info() { |
81 deopt_reason_ = kNoDeoptReason; | 91 deopt_reason_ = kNoDeoptReason; |
82 deopt_position_ = SourcePosition::Unknown(); | 92 deopt_position_ = SourcePosition::Unknown(); |
83 } | 93 } |
84 | 94 |
85 void FillFunctionInfo(SharedFunctionInfo* shared); | 95 void FillFunctionInfo(SharedFunctionInfo* shared); |
86 | 96 |
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156 | 166 |
157 CodeEntry* entry() const { return entry_; } | 167 CodeEntry* entry() const { return entry_; } |
158 unsigned self_ticks() const { return self_ticks_; } | 168 unsigned self_ticks() const { return self_ticks_; } |
159 const List<ProfileNode*>* children() const { return &children_list_; } | 169 const List<ProfileNode*>* children() const { return &children_list_; } |
160 unsigned id() const { return id_; } | 170 unsigned id() const { return id_; } |
161 unsigned function_id() const; | 171 unsigned function_id() const; |
162 unsigned int GetHitLineCount() const { return line_ticks_.occupancy(); } | 172 unsigned int GetHitLineCount() const { return line_ticks_.occupancy(); } |
163 bool GetLineTicks(v8::CpuProfileNode::LineTick* entries, | 173 bool GetLineTicks(v8::CpuProfileNode::LineTick* entries, |
164 unsigned int length) const; | 174 unsigned int length) const; |
165 void CollectDeoptInfo(CodeEntry* entry); | 175 void CollectDeoptInfo(CodeEntry* entry); |
166 const std::vector<CpuProfileDeoptInfo>& deopt_infos() const { | 176 const std::vector<DeoptInfo>& deopt_infos() const { return deopt_infos_; } |
167 return deopt_infos_; | |
168 } | |
169 | 177 |
170 void Print(int indent); | 178 void Print(int indent); |
171 | 179 |
172 static bool CodeEntriesMatch(void* entry1, void* entry2) { | 180 static bool CodeEntriesMatch(void* entry1, void* entry2) { |
173 return reinterpret_cast<CodeEntry*>(entry1) | 181 return reinterpret_cast<CodeEntry*>(entry1) |
174 ->IsSameFunctionAs(reinterpret_cast<CodeEntry*>(entry2)); | 182 ->IsSameFunctionAs(reinterpret_cast<CodeEntry*>(entry2)); |
175 } | 183 } |
176 | 184 |
177 private: | 185 private: |
178 static uint32_t CodeEntryHash(CodeEntry* entry) { return entry->GetHash(); } | 186 static uint32_t CodeEntryHash(CodeEntry* entry) { return entry->GetHash(); } |
179 | 187 |
180 static bool LineTickMatch(void* a, void* b) { return a == b; } | 188 static bool LineTickMatch(void* a, void* b) { return a == b; } |
181 | 189 |
182 ProfileTree* tree_; | 190 ProfileTree* tree_; |
183 CodeEntry* entry_; | 191 CodeEntry* entry_; |
184 unsigned self_ticks_; | 192 unsigned self_ticks_; |
185 // Mapping from CodeEntry* to ProfileNode* | 193 // Mapping from CodeEntry* to ProfileNode* |
186 HashMap children_; | 194 HashMap children_; |
187 List<ProfileNode*> children_list_; | 195 List<ProfileNode*> children_list_; |
188 unsigned id_; | 196 unsigned id_; |
189 HashMap line_ticks_; | 197 HashMap line_ticks_; |
190 | 198 |
191 std::vector<CpuProfileDeoptInfo> deopt_infos_; | 199 std::vector<DeoptInfo> deopt_infos_; |
192 | 200 |
193 DISALLOW_COPY_AND_ASSIGN(ProfileNode); | 201 DISALLOW_COPY_AND_ASSIGN(ProfileNode); |
194 }; | 202 }; |
195 | 203 |
196 | 204 |
197 class ProfileTree { | 205 class ProfileTree { |
198 public: | 206 public: |
199 ProfileTree(); | 207 ProfileTree(); |
200 ~ProfileTree(); | 208 ~ProfileTree(); |
201 | 209 |
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381 CodeEntry* gc_entry_; | 389 CodeEntry* gc_entry_; |
382 CodeEntry* unresolved_entry_; | 390 CodeEntry* unresolved_entry_; |
383 | 391 |
384 DISALLOW_COPY_AND_ASSIGN(ProfileGenerator); | 392 DISALLOW_COPY_AND_ASSIGN(ProfileGenerator); |
385 }; | 393 }; |
386 | 394 |
387 | 395 |
388 } } // namespace v8::internal | 396 } } // namespace v8::internal |
389 | 397 |
390 #endif // V8_PROFILE_GENERATOR_H_ | 398 #endif // V8_PROFILE_GENERATOR_H_ |
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