Fixit: Split base::TimeTicks --> TimeTicks + ThreadTicks + TraceTicks

base/trace_event/trace_event_impl.h

 // Copyright (c) 2012 The Chromium 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 BASE_TRACE_EVENT_TRACE_EVENT_IMPL_H_
 #define BASE_TRACE_EVENT_TRACE_EVENT_IMPL_H_
 
 #include <stack>
 #include <string>
@@ skipping 87 matching lines @@
 
   TraceEvent();
   ~TraceEvent();
 
   // We don't need to copy TraceEvent except when TraceEventBuffer is cloned.
   // Use explicit copy method to avoid accidentally misuse of copy.
   void CopyFrom(const TraceEvent& other);
 
   void Initialize(
       int thread_id,
-      TimeTicks timestamp,
-      TimeTicks thread_timestamp,
+      TraceTicks timestamp,
+      ThreadTicks thread_timestamp,
       char phase,
       const unsigned char* category_group_enabled,
       const char* name,
       unsigned long long id,
       int num_args,
       const char** arg_names,
       const unsigned char* arg_types,
       const unsigned long long* arg_values,
       const scoped_refptr<ConvertableToTraceFormat>* convertable_values,
       unsigned char flags);
 
   void Reset();
 
-  void UpdateDuration(const TimeTicks& now, const TimeTicks& thread_now);
+  void UpdateDuration(const TraceTicks& now, const ThreadTicks& thread_now);
 
   // Serialize event data to JSON
   void AppendAsJSON(std::string* out) const;
   void AppendPrettyPrinted(std::ostringstream* out) const;
 
   static void AppendValueAsJSON(unsigned char type,
                                 TraceValue value,
                                 std::string* out);
 
-  TimeTicks timestamp() const { return timestamp_; }
-  TimeTicks thread_timestamp() const { return thread_timestamp_; }
+  TraceTicks timestamp() const { return timestamp_; }
+  ThreadTicks thread_timestamp() const { return thread_timestamp_; }
   char phase() const { return phase_; }
   int thread_id() const { return thread_id_; }
   TimeDelta duration() const { return duration_; }
   TimeDelta thread_duration() const { return thread_duration_; }
   unsigned long long id() const { return id_; }
   unsigned char flags() const { return flags_; }
 
   // Exposed for unittesting:
 
   const base::RefCountedString* parameter_copy_storage() const {
     return parameter_copy_storage_.get();
   }
 
   const unsigned char* category_group_enabled() const {
     return category_group_enabled_;
   }
 
   const char* name() const { return name_; }
 
 #if defined(OS_ANDROID)
   void SendToATrace();
 #endif
 
  private:
   // Note: these are ordered by size (largest first) for optimal packing.
-  TimeTicks timestamp_;
-  TimeTicks thread_timestamp_;
+  TraceTicks timestamp_;
+  ThreadTicks thread_timestamp_;
   TimeDelta duration_;
   TimeDelta thread_duration_;
   // id_ can be used to store phase-specific data.
   unsigned long long id_;
   TraceValue arg_values_[kTraceMaxNumArgs];
   const char* arg_names_[kTraceMaxNumArgs];
   scoped_refptr<ConvertableToTraceFormat> convertable_values_[kTraceMaxNumArgs];
   const unsigned char* category_group_enabled_;
   const char* name_;
   scoped_refptr<base::RefCountedString> parameter_copy_storage_;
@@ skipping 339 matching lines @@
 
   // Not using base::Callback because of its limited by 7 parameters.
   // Also, using primitive type allows directly passing callback from WebCore.
   // WARNING: It is possible for the previously set callback to be called
   // after a call to SetEventCallbackEnabled() that replaces or a call to
   // SetEventCallbackDisabled() that disables the callback.
   // This callback may be invoked on any thread.
   // For TRACE_EVENT_PHASE_COMPLETE events, the client will still receive pairs
   // of TRACE_EVENT_PHASE_BEGIN and TRACE_EVENT_PHASE_END events to keep the
   // interface simple.
-  typedef void (*EventCallback)(TimeTicks timestamp,
+  typedef void (*EventCallback)(TraceTicks timestamp,
                                 char phase,
                                 const unsigned char* category_group_enabled,
                                 const char* name,
                                 unsigned long long id,
                                 int num_args,
                                 const char* const arg_names[],
                                 const unsigned char arg_types[],
                                 const unsigned long long arg_values[],
                                 unsigned char flags);
 
@@ skipping 37 matching lines @@
       const unsigned char* arg_types,
       const unsigned long long* arg_values,
       const scoped_refptr<ConvertableToTraceFormat>* convertable_values,
       unsigned char flags);
   TraceEventHandle AddTraceEventWithThreadIdAndTimestamp(
       char phase,
       const unsigned char* category_group_enabled,
       const char* name,
       unsigned long long id,
       int thread_id,
-      const TimeTicks& timestamp,
+      const TraceTicks& timestamp,
       int num_args,
       const char** arg_names,
       const unsigned char* arg_types,
       const unsigned long long* arg_values,
       const scoped_refptr<ConvertableToTraceFormat>* convertable_values,
       unsigned char flags);
   static void AddTraceEventEtw(char phase,
                                const char* category_group,
                                const void* id,
                                const char* extra);
@@ skipping 42 matching lines @@
   // Processes can have labels in addition to their names. Use labels, for
   // instance, to list out the web page titles that a process is handling.
   void UpdateProcessLabel(int label_id, const std::string& current_label);
   void RemoveProcessLabel(int label_id);
 
   // Thread sort indices, if set, override the order of a thread will appear
   // within its process in the trace viewer. Threads are sorted first on their
   // sort index, ascending, then by their name, and then tid.
   void SetThreadSortIndex(PlatformThreadId , int sort_index);
 
-  // Allow setting an offset between the current TimeTicks time and the time
+  // Allow setting an offset between the current TraceTicks time and the time
   // that should be reported.
   void SetTimeOffset(TimeDelta offset);
 
   size_t GetObserverCountForTest() const;
 
   // Call this method if the current thread may block the message loop to
   // prevent the thread from using the thread-local buffer because the thread
   // may not handle the flush request in time causing lost of unflushed events.
   void SetCurrentThreadBlocksMessageLoop();
 
@@ skipping 43 matching lines @@
   InternalTraceOptions trace_options() const {
     return static_cast<InternalTraceOptions>(
         subtle::NoBarrier_Load(&trace_options_));
   }
 
   TraceBuffer* trace_buffer() const { return logged_events_.get(); }
   TraceBuffer* CreateTraceBuffer();
   TraceBuffer* CreateTraceBufferVectorOfSize(size_t max_chunks);
 
   std::string EventToConsoleMessage(unsigned char phase,
-                                    const TimeTicks& timestamp,
+                                    const TraceTicks& timestamp,
                                     TraceEvent* trace_event);
 
   TraceEvent* AddEventToThreadSharedChunkWhileLocked(TraceEventHandle* handle,
                                                      bool check_buffer_is_full);
   void CheckIfBufferIsFullWhileLocked();
   void SetDisabledWhileLocked();
 
   TraceEvent* GetEventByHandleInternal(TraceEventHandle handle,
                                        OptionalAutoLock* lock);
 
   // |generation| is used in the following callbacks to check if the callback
   // is called for the flush of the current |logged_events_|.
   void FlushCurrentThread(int generation);
   // Usually it runs on a different thread.
   static void ConvertTraceEventsToTraceFormat(
       scoped_ptr<TraceBuffer> logged_events,
       const TraceLog::OutputCallback& flush_output_callback);
   void FinishFlush(int generation);
   void OnFlushTimeout(int generation);
 
   int generation() const {
     return static_cast<int>(subtle::NoBarrier_Load(&generation_));
   }
   bool CheckGeneration(int generation) const {
     return generation == this->generation();
   }
   void UseNextTraceBuffer();
 
-  TimeTicks OffsetNow() const {
-    return OffsetTimestamp(TimeTicks::NowFromSystemTraceTime());
+  TraceTicks OffsetNow() const {
+    return OffsetTimestamp(TraceTicks::Now());
   }
-  TimeTicks OffsetTimestamp(const TimeTicks& timestamp) const {
+  TraceTicks OffsetTimestamp(const TraceTicks& timestamp) const {
     return timestamp - time_offset_;
   }
 
   // Internal representation of trace options since we store the currently used
   // trace option as an AtomicWord.
   static const InternalTraceOptions kInternalNone;
   static const InternalTraceOptions kInternalRecordUntilFull;
   static const InternalTraceOptions kInternalRecordContinuously;
   static const InternalTraceOptions kInternalEchoToConsole;
   static const InternalTraceOptions kInternalEnableSampling;
@@ skipping 12 matching lines @@
   bool dispatching_to_observer_list_;
   std::vector<EnabledStateObserver*> enabled_state_observer_list_;
 
   std::string process_name_;
   base::hash_map<int, std::string> process_labels_;
   int process_sort_index_;
   base::hash_map<int, int> thread_sort_indices_;
   base::hash_map<int, std::string> thread_names_;
 
   // The following two maps are used only when ECHO_TO_CONSOLE.
-  base::hash_map<int, std::stack<TimeTicks> > thread_event_start_times_;
+  base::hash_map<int, std::stack<TraceTicks> > thread_event_start_times_;
   base::hash_map<std::string, int> thread_colors_;
 
-  TimeTicks buffer_limit_reached_timestamp_;
+  TraceTicks buffer_limit_reached_timestamp_;
 
   // XORed with TraceID to make it unlikely to collide with other processes.
   unsigned long long process_id_hash_;
 
   int process_id_;
 
   TimeDelta time_offset_;
 
   // Allow tests to wake up when certain events occur.
   WatchEventCallback watch_event_callback_;
@@ skipping 29 matching lines @@
   subtle::AtomicWord generation_;
   bool use_worker_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(TraceLog);
 };
 
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_TRACE_EVENT_IMPL_H_