Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef V8_PROFILER_PROFILER_LISTENER_H_ |
| 6 | #define V8_PROFILER_PROFILER_LISTENER_H_ |
| 7 | |
| 8 | #include <vector> |
| 9 | |
| 10 | #include "src/code-events.h" |
| 11 | #include "src/profiler/profile-generator.h" |
| 12 | |
| 13 | namespace v8 { |
| 14 | namespace internal { |
| 15 | |
| 16 | class CodeEventsContainer; |
| 17 | |
| 18 | class CodeEventObserver { |
| 19 | public: |
| 20 | virtual void CodeEventHandler(const CodeEventsContainer& evt_rec) = 0; |
| 21 | virtual ~CodeEventObserver() {} |
| 22 | }; |
| 23 | |
| 24 | class ProfilerListener : public CodeEventListener { |
| 25 | public: |
| 26 | explicit ProfilerListener(Isolate* isolate); |
| 27 | ~ProfilerListener() override; |
| 28 | |
| 29 | void CallbackEvent(Name* name, Address entry_point) override; |
| 30 | void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag, |
| 31 | AbstractCode* code, const char* comment) override; |
| 32 | void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag, |
| 33 | AbstractCode* code, Name* name) override; |
| 34 | void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag, |
| 35 | AbstractCode* code, SharedFunctionInfo* shared, |
| 36 | Name* script_name) override; |
| 37 | void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag, |
| 38 | AbstractCode* code, SharedFunctionInfo* shared, |
| 39 | Name* script_name, int line, int column) override; |
| 40 | void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag, |
| 41 | AbstractCode* code, int args_count) override; |
| 42 | void CodeMovingGCEvent() override {} |
| 43 | void CodeMoveEvent(AbstractCode* from, Address to) override; |
| 44 | void CodeDisableOptEvent(AbstractCode* code, |
| 45 | SharedFunctionInfo* shared) override; |
| 46 | void CodeDeoptEvent(Code* code, Address pc, int fp_to_sp_delta) override; |
| 47 | void GetterCallbackEvent(Name* name, Address entry_point) override; |
| 48 | void RegExpCodeCreateEvent(AbstractCode* code, String* source) override; |
| 49 | void SetterCallbackEvent(Name* name, Address entry_point) override; |
| 50 | void SharedFunctionInfoMoveEvent(Address from, Address to) override {} |
| 51 | |
| 52 | CodeEntry* NewCodeEntry( |
| 53 | CodeEventListener::LogEventsAndTags tag, const char* name, |
| 54 | const char* name_prefix = CodeEntry::kEmptyNamePrefix, |
| 55 | const char* resource_name = CodeEntry::kEmptyResourceName, |
| 56 | int line_number = v8::CpuProfileNode::kNoLineNumberInfo, |
| 57 | int column_number = v8::CpuProfileNode::kNoColumnNumberInfo, |
| 58 | JITLineInfoTable* line_info = NULL, Address instruction_start = NULL); |
| 59 | |
| 60 | void AddObserver(CodeEventObserver* observer); |
| 61 | void RemoveObserver(CodeEventObserver* observer); |
| 62 | V8_INLINE bool HasObservers() { return !observers_.empty(); } |
| 63 | |
| 64 | const char* GetName(Name* name) { |
| 65 | return function_and_resource_names_.GetName(name); |
| 66 | } |
| 67 | const char* GetName(int args_count) { |
| 68 | return function_and_resource_names_.GetName(args_count); |
| 69 | } |
| 70 | const char* GetFunctionName(Name* name) { |
| 71 | return function_and_resource_names_.GetFunctionName(name); |
| 72 | } |
| 73 | const char* GetFunctionName(const char* name) { |
| 74 | return function_and_resource_names_.GetFunctionName(name); |
| 75 | } |
| 76 | |
| 77 | private: |
| 78 | void RecordInliningInfo(CodeEntry* entry, AbstractCode* abstract_code); |
| 79 | void RecordDeoptInlinedFrames(CodeEntry* entry, AbstractCode* abstract_code); |
| 80 | Name* InferScriptName(Name* name, SharedFunctionInfo* info); |
| 81 | V8_INLINE void DispatchCodeEvent(const CodeEventsContainer& evt_rec) { |
| 82 | for (auto observer : observers_) { |
| 83 | observer->CodeEventHandler(evt_rec); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | StringsStorage function_and_resource_names_; |
| 88 | std::vector<CodeEntry*> code_entries_; |
| 89 | std::vector<CodeEventObserver*> observers_; |
| 90 | |
| 91 | DISALLOW_COPY_AND_ASSIGN(ProfilerListener); |
| 92 | }; |
| 93 | |
| 94 | } // namespace internal |
| 95 | } // namespace v8 |
| 96 | |
| 97 | #endif // V8_PROFILER_PROFILER_LISTENER_H_ |