Move heap and CPU profilers into a dedicated directory.

src/profile-generator.h

Index: src/profile-generator.h
diff --git a/src/profile-generator.h b/src/profile-generator.h
deleted file mode 100644
index 73d022559a1ce7f8165ed96cac86d48ae81d9375..0000000000000000000000000000000000000000
--- a/src/profile-generator.h
+++ /dev/null
@@ -1,388 +0,0 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef V8_PROFILE_GENERATOR_H_
-#define V8_PROFILE_GENERATOR_H_
-
-#include <map>
-#include "include/v8-profiler.h"
-#include "src/allocation.h"
-#include "src/compiler.h"
-#include "src/hashmap.h"
-#include "src/strings-storage.h"
-
-namespace v8 {
-namespace internal {
-
-struct OffsetRange;
-
-// Provides a mapping from the offsets within generated code to
-// the source line.
-class JITLineInfoTable : public Malloced {
- public:
-  JITLineInfoTable();
-  ~JITLineInfoTable();
-
-  void SetPosition(int pc_offset, int line);
-  int GetSourceLineNumber(int pc_offset) const;
-
-  bool empty() const { return pc_offset_map_.empty(); }
-
- private:
-  // pc_offset -> source line
-  typedef std::map<int, int> PcOffsetMap;
-  PcOffsetMap pc_offset_map_;
-  DISALLOW_COPY_AND_ASSIGN(JITLineInfoTable);
-};
-
-
-class CodeEntry {
- public:
-  // CodeEntry doesn't own name strings, just references them.
-  inline CodeEntry(Logger::LogEventsAndTags tag, const char* name,
-                   const char* name_prefix = CodeEntry::kEmptyNamePrefix,
-                   const char* resource_name = CodeEntry::kEmptyResourceName,
-                   int line_number = v8::CpuProfileNode::kNoLineNumberInfo,
-                   int column_number = v8::CpuProfileNode::kNoColumnNumberInfo,
-                   JITLineInfoTable* line_info = NULL,
-                   Address instruction_start = NULL);
-  ~CodeEntry();
-
-  const char* name_prefix() const { return name_prefix_; }
-  bool has_name_prefix() const { return name_prefix_[0] != '\0'; }
-  const char* name() const { return name_; }
-  const char* resource_name() const { return resource_name_; }
-  int line_number() const { return line_number_; }
-  int column_number() const { return column_number_; }
-  const JITLineInfoTable* line_info() const { return line_info_; }
-  int script_id() const { return script_id_; }
-  void set_script_id(int script_id) { script_id_ = script_id; }
-  int position() const { return position_; }
-  void set_position(int position) { position_ = position; }
-  void set_bailout_reason(const char* bailout_reason) {
-    bailout_reason_ = bailout_reason;
-  }
-  const char* bailout_reason() const { return bailout_reason_; }
-
-  void set_deopt_info(const char* deopt_reason, SourcePosition position,
-                      size_t pc_offset) {
-    DCHECK(deopt_position_.IsUnknown());
-    deopt_reason_ = deopt_reason;
-    deopt_position_ = position;
-    pc_offset_ = pc_offset;
-  }
-  CpuProfileDeoptInfo GetDeoptInfo();
-  const char* deopt_reason() const { return deopt_reason_; }
-  SourcePosition deopt_position() const { return deopt_position_; }
-  bool has_deopt_info() const { return !deopt_position_.IsUnknown(); }
-  void clear_deopt_info() {
-    deopt_reason_ = kNoDeoptReason;
-    deopt_position_ = SourcePosition::Unknown();
-  }
-
-  void FillFunctionInfo(SharedFunctionInfo* shared);
-
-  List<OffsetRange>* no_frame_ranges() const { return no_frame_ranges_; }
-  void set_no_frame_ranges(List<OffsetRange>* ranges) {
-    no_frame_ranges_ = ranges;
-  }
-  void set_inlined_function_infos(
-      const std::vector<InlinedFunctionInfo>& infos) {
-    inlined_function_infos_ = infos;
-  }
-  const std::vector<InlinedFunctionInfo> inlined_function_infos() {
-    return inlined_function_infos_;
-  }
-
-  void SetBuiltinId(Builtins::Name id);
-  Builtins::Name builtin_id() const {
-    return BuiltinIdField::decode(bit_field_);
-  }
-
-  uint32_t GetHash() const;
-  bool IsSameFunctionAs(CodeEntry* entry) const;
-
-  int GetSourceLine(int pc_offset) const;
-
-  Address instruction_start() const { return instruction_start_; }
-
-  static const char* const kEmptyNamePrefix;
-  static const char* const kEmptyResourceName;
-  static const char* const kEmptyBailoutReason;
-  static const char* const kNoDeoptReason;
-
- private:
-  class TagField : public BitField<Logger::LogEventsAndTags, 0, 8> {};
-  class BuiltinIdField : public BitField<Builtins::Name, 8, 8> {};
-  Logger::LogEventsAndTags tag() const { return TagField::decode(bit_field_); }
-
-  uint32_t bit_field_;
-  const char* name_prefix_;
-  const char* name_;
-  const char* resource_name_;
-  int line_number_;
-  int column_number_;
-  int script_id_;
-  int position_;
-  List<OffsetRange>* no_frame_ranges_;
-  const char* bailout_reason_;
-  const char* deopt_reason_;
-  SourcePosition deopt_position_;
-  size_t pc_offset_;
-  JITLineInfoTable* line_info_;
-  Address instruction_start_;
-
-  std::vector<InlinedFunctionInfo> inlined_function_infos_;
-
-  DISALLOW_COPY_AND_ASSIGN(CodeEntry);
-};
-
-
-class ProfileTree;
-
-class ProfileNode {
- public:
-  inline ProfileNode(ProfileTree* tree, CodeEntry* entry);
-
-  ProfileNode* FindChild(CodeEntry* entry);
-  ProfileNode* FindOrAddChild(CodeEntry* entry);
-  void IncrementSelfTicks() { ++self_ticks_; }
-  void IncreaseSelfTicks(unsigned amount) { self_ticks_ += amount; }
-  void IncrementLineTicks(int src_line);
-
-  CodeEntry* entry() const { return entry_; }
-  unsigned self_ticks() const { return self_ticks_; }
-  const List<ProfileNode*>* children() const { return &children_list_; }
-  unsigned id() const { return id_; }
-  unsigned function_id() const;
-  unsigned int GetHitLineCount() const { return line_ticks_.occupancy(); }
-  bool GetLineTicks(v8::CpuProfileNode::LineTick* entries,
-                    unsigned int length) const;
-  void CollectDeoptInfo(CodeEntry* entry);
-  const std::vector<CpuProfileDeoptInfo>& deopt_infos() const {
-    return deopt_infos_;
-  }
-
-  void Print(int indent);
-
-  static bool CodeEntriesMatch(void* entry1, void* entry2) {
-    return reinterpret_cast<CodeEntry*>(entry1)
-        ->IsSameFunctionAs(reinterpret_cast<CodeEntry*>(entry2));
-  }
-
- private:
-  static uint32_t CodeEntryHash(CodeEntry* entry) { return entry->GetHash(); }
-
-  static bool LineTickMatch(void* a, void* b) { return a == b; }
-
-  ProfileTree* tree_;
-  CodeEntry* entry_;
-  unsigned self_ticks_;
-  // Mapping from CodeEntry* to ProfileNode*
-  HashMap children_;
-  List<ProfileNode*> children_list_;
-  unsigned id_;
-  HashMap line_ticks_;
-
-  std::vector<CpuProfileDeoptInfo> deopt_infos_;
-
-  DISALLOW_COPY_AND_ASSIGN(ProfileNode);
-};
-
-
-class ProfileTree {
- public:
-  ProfileTree();
-  ~ProfileTree();
-
-  ProfileNode* AddPathFromEnd(
-      const Vector<CodeEntry*>& path,
-      int src_line = v8::CpuProfileNode::kNoLineNumberInfo);
-  ProfileNode* root() const { return root_; }
-  unsigned next_node_id() { return next_node_id_++; }
-  unsigned GetFunctionId(const ProfileNode* node);
-
-  void Print() {
-    root_->Print(0);
-  }
-
- private:
-  template <typename Callback>
-  void TraverseDepthFirst(Callback* callback);
-
-  CodeEntry root_entry_;
-  unsigned next_node_id_;
-  ProfileNode* root_;
-
-  unsigned next_function_id_;
-  HashMap function_ids_;
-
-  DISALLOW_COPY_AND_ASSIGN(ProfileTree);
-};
-
-
-class CpuProfile {
- public:
-  CpuProfile(const char* title, bool record_samples);
-
-  // Add pc -> ... -> main() call path to the profile.
-  void AddPath(base::TimeTicks timestamp, const Vector<CodeEntry*>& path,
-               int src_line);
-  void CalculateTotalTicksAndSamplingRate();
-
-  const char* title() const { return title_; }
-  const ProfileTree* top_down() const { return &top_down_; }
-
-  int samples_count() const { return samples_.length(); }
-  ProfileNode* sample(int index) const { return samples_.at(index); }
-  base::TimeTicks sample_timestamp(int index) const {
-    return timestamps_.at(index);
-  }
-
-  base::TimeTicks start_time() const { return start_time_; }
-  base::TimeTicks end_time() const { return end_time_; }
-
-  void UpdateTicksScale();
-
-  void Print();
-
- private:
-  const char* title_;
-  bool record_samples_;
-  base::TimeTicks start_time_;
-  base::TimeTicks end_time_;
-  List<ProfileNode*> samples_;
-  List<base::TimeTicks> timestamps_;
-  ProfileTree top_down_;
-
-  DISALLOW_COPY_AND_ASSIGN(CpuProfile);
-};
-
-
-class CodeMap {
- public:
-  CodeMap() {}
-  ~CodeMap();
-  void AddCode(Address addr, CodeEntry* entry, unsigned size);
-  void MoveCode(Address from, Address to);
-  CodeEntry* FindEntry(Address addr);
-  int GetSharedId(Address addr);
-
-  void Print();
-
- private:
-  struct CodeEntryInfo {
-    CodeEntryInfo(CodeEntry* an_entry, unsigned a_size)
-        : entry(an_entry), size(a_size) { }
-    CodeEntry* entry;
-    unsigned size;
-  };
-
-  struct CodeTreeConfig {
-    typedef Address Key;
-    typedef CodeEntryInfo Value;
-    static const Key kNoKey;
-    static const Value NoValue() { return CodeEntryInfo(NULL, 0); }
-    static int Compare(const Key& a, const Key& b) {
-      return a < b ? -1 : (a > b ? 1 : 0);
-    }
-  };
-  typedef SplayTree<CodeTreeConfig> CodeTree;
-
-  class CodeTreePrinter {
-   public:
-    void Call(const Address& key, const CodeEntryInfo& value);
-  };
-
-  void DeleteAllCoveredCode(Address start, Address end);
-
-  CodeTree tree_;
-
-  DISALLOW_COPY_AND_ASSIGN(CodeMap);
-};
-
-
-class CpuProfilesCollection {
- public:
-  explicit CpuProfilesCollection(Heap* heap);
-  ~CpuProfilesCollection();
-
-  bool StartProfiling(const char* title, bool record_samples);
-  CpuProfile* StopProfiling(const char* title);
-  List<CpuProfile*>* profiles() { return &finished_profiles_; }
-  const char* GetName(Name* name) {
-    return function_and_resource_names_.GetName(name);
-  }
-  const char* GetName(int args_count) {
-    return function_and_resource_names_.GetName(args_count);
-  }
-  const char* GetFunctionName(Name* name) {
-    return function_and_resource_names_.GetFunctionName(name);
-  }
-  const char* GetFunctionName(const char* name) {
-    return function_and_resource_names_.GetFunctionName(name);
-  }
-  bool IsLastProfile(const char* title);
-  void RemoveProfile(CpuProfile* profile);
-
-  CodeEntry* NewCodeEntry(
-      Logger::LogEventsAndTags tag, const char* name,
-      const char* name_prefix = CodeEntry::kEmptyNamePrefix,
-      const char* resource_name = CodeEntry::kEmptyResourceName,
-      int line_number = v8::CpuProfileNode::kNoLineNumberInfo,
-      int column_number = v8::CpuProfileNode::kNoColumnNumberInfo,
-      JITLineInfoTable* line_info = NULL, Address instruction_start = NULL);
-
-  // Called from profile generator thread.
-  void AddPathToCurrentProfiles(base::TimeTicks timestamp,
-                                const Vector<CodeEntry*>& path, int src_line);
-
-  // Limits the number of profiles that can be simultaneously collected.
-  static const int kMaxSimultaneousProfiles = 100;
-
- private:
-  StringsStorage function_and_resource_names_;
-  List<CodeEntry*> code_entries_;
-  List<CpuProfile*> finished_profiles_;
-
-  // Accessed by VM thread and profile generator thread.
-  List<CpuProfile*> current_profiles_;
-  base::Semaphore current_profiles_semaphore_;
-
-  DISALLOW_COPY_AND_ASSIGN(CpuProfilesCollection);
-};
-
-
-class ProfileGenerator {
- public:
-  explicit ProfileGenerator(CpuProfilesCollection* profiles);
-
-  void RecordTickSample(const TickSample& sample);
-
-  CodeMap* code_map() { return &code_map_; }
-
-  static const char* const kProgramEntryName;
-  static const char* const kIdleEntryName;
-  static const char* const kGarbageCollectorEntryName;
-  // Used to represent frames for which we have no reliable way to
-  // detect function.
-  static const char* const kUnresolvedFunctionName;
-
- private:
-  CodeEntry* EntryForVMState(StateTag tag);
-
-  CpuProfilesCollection* profiles_;
-  CodeMap code_map_;
-  CodeEntry* program_entry_;
-  CodeEntry* idle_entry_;
-  CodeEntry* gc_entry_;
-  CodeEntry* unresolved_entry_;
-
-  DISALLOW_COPY_AND_ASSIGN(ProfileGenerator);
-};
-
-
-} }  // namespace v8::internal
-
-#endif  // V8_PROFILE_GENERATOR_H_