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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_PROFILER_PROFILE_GENERATOR_H_ | 5 #ifndef V8_PROFILER_PROFILE_GENERATOR_H_ |
6 #define V8_PROFILER_PROFILE_GENERATOR_H_ | 6 #define V8_PROFILER_PROFILE_GENERATOR_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include "src/allocation.h" | 9 #include "src/allocation.h" |
10 #include "src/base/hashmap.h" | 10 #include "src/base/hashmap.h" |
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42 // CodeEntry doesn't own name strings, just references them. | 42 // CodeEntry doesn't own name strings, just references them. |
43 inline CodeEntry(CodeEventListener::LogEventsAndTags tag, const char* name, | 43 inline CodeEntry(CodeEventListener::LogEventsAndTags tag, const char* name, |
44 const char* name_prefix = CodeEntry::kEmptyNamePrefix, | 44 const char* name_prefix = CodeEntry::kEmptyNamePrefix, |
45 const char* resource_name = CodeEntry::kEmptyResourceName, | 45 const char* resource_name = CodeEntry::kEmptyResourceName, |
46 int line_number = v8::CpuProfileNode::kNoLineNumberInfo, | 46 int line_number = v8::CpuProfileNode::kNoLineNumberInfo, |
47 int column_number = v8::CpuProfileNode::kNoColumnNumberInfo, | 47 int column_number = v8::CpuProfileNode::kNoColumnNumberInfo, |
48 JITLineInfoTable* line_info = NULL, | 48 JITLineInfoTable* line_info = NULL, |
49 Address instruction_start = NULL); | 49 Address instruction_start = NULL); |
50 ~CodeEntry(); | 50 ~CodeEntry(); |
51 | 51 |
| 52 // Container describing inlined frames at eager deopt points. Is eventually |
| 53 // being translated into v8::CpuProfileDeoptFrame by the profiler. |
| 54 struct DeoptInlinedFrame { |
| 55 int position; |
| 56 int script_id; |
| 57 }; |
| 58 |
52 const char* name_prefix() const { return name_prefix_; } | 59 const char* name_prefix() const { return name_prefix_; } |
53 bool has_name_prefix() const { return name_prefix_[0] != '\0'; } | 60 bool has_name_prefix() const { return name_prefix_[0] != '\0'; } |
54 const char* name() const { return name_; } | 61 const char* name() const { return name_; } |
55 const char* resource_name() const { return resource_name_; } | 62 const char* resource_name() const { return resource_name_; } |
56 int line_number() const { return line_number_; } | 63 int line_number() const { return line_number_; } |
57 int column_number() const { return column_number_; } | 64 int column_number() const { return column_number_; } |
58 const JITLineInfoTable* line_info() const { return line_info_; } | 65 const JITLineInfoTable* line_info() const { return line_info_; } |
59 int script_id() const { return script_id_; } | 66 int script_id() const { return script_id_; } |
60 void set_script_id(int script_id) { script_id_ = script_id; } | 67 void set_script_id(int script_id) { script_id_ = script_id; } |
61 int position() const { return position_; } | 68 int position() const { return position_; } |
62 void set_position(int position) { position_ = position; } | 69 void set_position(int position) { position_ = position; } |
63 void set_bailout_reason(const char* bailout_reason) { | 70 void set_bailout_reason(const char* bailout_reason) { |
64 bailout_reason_ = bailout_reason; | 71 bailout_reason_ = bailout_reason; |
65 } | 72 } |
66 const char* bailout_reason() const { return bailout_reason_; } | 73 const char* bailout_reason() const { return bailout_reason_; } |
67 | 74 |
68 void set_deopt_info(const char* deopt_reason, int deopt_id) { | 75 void set_deopt_info(const char* deopt_reason, SourcePosition position, |
| 76 int deopt_id) { |
69 DCHECK(!has_deopt_info()); | 77 DCHECK(!has_deopt_info()); |
70 deopt_reason_ = deopt_reason; | 78 deopt_reason_ = deopt_reason; |
| 79 deopt_position_ = position; |
71 deopt_id_ = deopt_id; | 80 deopt_id_ = deopt_id; |
72 } | 81 } |
73 CpuProfileDeoptInfo GetDeoptInfo(); | 82 CpuProfileDeoptInfo GetDeoptInfo(); |
74 bool has_deopt_info() const { return deopt_id_ != kNoDeoptimizationId; } | 83 bool has_deopt_info() const { return deopt_id_ != kNoDeoptimizationId; } |
75 void clear_deopt_info() { | 84 void clear_deopt_info() { |
76 deopt_reason_ = kNoDeoptReason; | 85 deopt_reason_ = kNoDeoptReason; |
| 86 deopt_position_ = SourcePosition::Unknown(); |
77 deopt_id_ = kNoDeoptimizationId; | 87 deopt_id_ = kNoDeoptimizationId; |
78 } | 88 } |
79 | 89 |
80 void FillFunctionInfo(SharedFunctionInfo* shared); | 90 void FillFunctionInfo(SharedFunctionInfo* shared); |
81 | 91 |
82 void SetBuiltinId(Builtins::Name id); | 92 void SetBuiltinId(Builtins::Name id); |
83 Builtins::Name builtin_id() const { | 93 Builtins::Name builtin_id() const { |
84 return BuiltinIdField::decode(bit_field_); | 94 return BuiltinIdField::decode(bit_field_); |
85 } | 95 } |
86 | 96 |
87 uint32_t GetHash() const; | 97 uint32_t GetHash() const; |
88 bool IsSameFunctionAs(CodeEntry* entry) const; | 98 bool IsSameFunctionAs(CodeEntry* entry) const; |
89 | 99 |
90 int GetSourceLine(int pc_offset) const; | 100 int GetSourceLine(int pc_offset) const; |
91 | 101 |
92 void AddInlineStack(int pc_offset, std::vector<CodeEntry*> inline_stack); | 102 void AddInlineStack(int pc_offset, std::vector<CodeEntry*>& inline_stack); |
93 const std::vector<CodeEntry*>* GetInlineStack(int pc_offset) const; | 103 const std::vector<CodeEntry*>* GetInlineStack(int pc_offset) const; |
94 | 104 |
95 void AddDeoptInlinedFrames(int deopt_id, std::vector<CpuProfileDeoptFrame>); | 105 void AddDeoptInlinedFrames(int deopt_id, std::vector<DeoptInlinedFrame>&); |
96 bool HasDeoptInlinedFramesFor(int deopt_id) const; | 106 bool HasDeoptInlinedFramesFor(int deopt_id) const; |
97 | 107 |
98 Address instruction_start() const { return instruction_start_; } | 108 Address instruction_start() const { return instruction_start_; } |
99 CodeEventListener::LogEventsAndTags tag() const { | 109 CodeEventListener::LogEventsAndTags tag() const { |
100 return TagField::decode(bit_field_); | 110 return TagField::decode(bit_field_); |
101 } | 111 } |
102 | 112 |
103 static const char* const kEmptyNamePrefix; | 113 static const char* const kEmptyNamePrefix; |
104 static const char* const kEmptyResourceName; | 114 static const char* const kEmptyResourceName; |
105 static const char* const kEmptyBailoutReason; | 115 static const char* const kEmptyBailoutReason; |
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150 uint32_t bit_field_; | 160 uint32_t bit_field_; |
151 const char* name_prefix_; | 161 const char* name_prefix_; |
152 const char* name_; | 162 const char* name_; |
153 const char* resource_name_; | 163 const char* resource_name_; |
154 int line_number_; | 164 int line_number_; |
155 int column_number_; | 165 int column_number_; |
156 int script_id_; | 166 int script_id_; |
157 int position_; | 167 int position_; |
158 const char* bailout_reason_; | 168 const char* bailout_reason_; |
159 const char* deopt_reason_; | 169 const char* deopt_reason_; |
| 170 SourcePosition deopt_position_; |
160 int deopt_id_; | 171 int deopt_id_; |
161 JITLineInfoTable* line_info_; | 172 JITLineInfoTable* line_info_; |
162 Address instruction_start_; | 173 Address instruction_start_; |
163 // Should be an unordered_map, but it doesn't currently work on Win & MacOS. | 174 // Should be an unordered_map, but it doesn't currently work on Win & MacOS. |
164 std::map<int, std::vector<CodeEntry*>> inline_locations_; | 175 std::map<int, std::vector<CodeEntry*>> inline_locations_; |
165 std::map<int, std::vector<CpuProfileDeoptFrame>> deopt_inlined_frames_; | 176 std::map<int, std::vector<DeoptInlinedFrame>> deopt_inlined_frames_; |
166 | 177 |
167 DISALLOW_COPY_AND_ASSIGN(CodeEntry); | 178 DISALLOW_COPY_AND_ASSIGN(CodeEntry); |
168 }; | 179 }; |
169 | 180 |
170 | 181 |
171 class ProfileTree; | 182 class ProfileTree; |
172 | 183 |
173 class ProfileNode { | 184 class ProfileNode { |
174 public: | 185 public: |
175 inline ProfileNode(ProfileTree* tree, CodeEntry* entry, ProfileNode* parent); | 186 inline ProfileNode(ProfileTree* tree, CodeEntry* entry, ProfileNode* parent); |
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383 CodeMap code_map_; | 394 CodeMap code_map_; |
384 | 395 |
385 DISALLOW_COPY_AND_ASSIGN(ProfileGenerator); | 396 DISALLOW_COPY_AND_ASSIGN(ProfileGenerator); |
386 }; | 397 }; |
387 | 398 |
388 | 399 |
389 } // namespace internal | 400 } // namespace internal |
390 } // namespace v8 | 401 } // namespace v8 |
391 | 402 |
392 #endif // V8_PROFILER_PROFILE_GENERATOR_H_ | 403 #endif // V8_PROFILER_PROFILE_GENERATOR_H_ |
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