Track parent-child relations during profiling

base/tracked_objects.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_TRACKED_OBJECTS_H_
 #define BASE_TRACKED_OBJECTS_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 424 matching lines @@
   // Sets internal status_.
   // If |status| is false, then status_ is set to DEACTIVATED.
   // If |status| is true, then status_ is set to, PROFILING_ACTIVE, or
   // PROFILING_CHILDREN_ACTIVE.
   // If tracking is not compiled in, this function will return false.
   // If parent-child tracking is not compiled in, then an attempt to set the
   // status to PROFILING_CHILDREN_ACTIVE will only result in a status of
   // PROFILING_ACTIVE (i.e., it can't be set to a higher level than what is
   // compiled into the binary, and parent-child tracking at the
   // PROFILING_CHILDREN_ACTIVE level might not be compiled in).
-  static bool InitializeAndSetTrackingStatus(bool status);
+  static bool InitializeAndSetTrackingStatus(Status status);
+
+  static Status status();
 
   // Indicate if any sort of profiling is being done (i.e., we are more than
   // DEACTIVATED).
-  static bool tracking_status();
+  static bool TrackingStatus();
 
   // For testing only, indicate if the status of parent-child tracking is turned
-  // on.  This is currently a compiled option, atop tracking_status().
-  static bool tracking_parent_child_status();
+  // on.  This is currently a compiled option, atop TrackingStatus().
+  static bool TrackingParentChildStatus();
 
   // Special versions of Now() for getting times at start and end of a tracked
   // run.  They are super fast when tracking is disabled, and have some internal
   // side effects when we are tracking, so that we can deduce the amount of time
   // accumulated outside of execution of tracked runs.
   // The task that will be tracked is passed in as |parent| so that parent-child
   // relationships can be (optionally) calculated.
   static TrackedTime NowForStartOfRun(const Births* parent);
   static TrackedTime NowForEndOfRun();
 
@@ skipping 259 matching lines @@
   }
 
  private:
 
   DISALLOW_COPY_AND_ASSIGN(AutoTracking);
 };
 
 }  // namespace tracked_objects
 
 #endif  // BASE_TRACKED_OBJECTS_H_