base/trace_event/memory_allocator_dump.h

   1 // Copyright 2015 The Chromium 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 BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_H_
   6 #define BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_H_
   7
   8 #include "base/base_export.h"
   9 #include "base/basictypes.h"
  10 #include "base/logging.h"
  11 #include "base/trace_event/memory_allocator_attributes.h"
  12 #include "base/values.h"
  13
  14 namespace base {
  15 namespace trace_event {
  16
  17 class MemoryDumpManager;
  18 class TracedValue;
  19
  20 // Data model for user-land memory allocator dumps.
  21 class BASE_EXPORT MemoryAllocatorDump {
  22  public:
  23   MemoryAllocatorDump(const std::string& name, MemoryAllocatorDump* parent);
  24   ~MemoryAllocatorDump();
  25
  26   const std::string& name() const { return name_; }
  27   const MemoryAllocatorDump* parent() const { return parent_; }
  28
  29   void set_physical_size_in_bytes(uint64 value) {
  30     physical_size_in_bytes_ = value;
  31   }
  32   uint64 physical_size_in_bytes() const { return physical_size_in_bytes_; }
  33
  34   void set_allocated_objects_count(uint64 value) {
  35     allocated_objects_count_ = value;
  36   }
  37   uint64 allocated_objects_count() const { return allocated_objects_count_; }
  38
  39   void set_allocated_objects_size_in_bytes(uint64 value) {
  40     allocated_objects_size_in_bytes_ = value;
  41   }
  42   uint64 allocated_objects_size_in_bytes() const {
  43     return allocated_objects_size_in_bytes_;
  44   }
  45
  46   void SetExtraAttribute(const std::string& name, int value);
  47   int GetExtraIntegerAttribute(const std::string& name) const;
  48
  49   // Called at trace generation time to populate the TracedValue.
  50   void AsValueInto(TracedValue* value) const;
  51
  52  private:
  53   const std::string name_;
  54   MemoryAllocatorDump* const parent_;  // Not owned.
  55   uint64 physical_size_in_bytes_;
  56   uint64 allocated_objects_count_;
  57   uint64 allocated_objects_size_in_bytes_;
  58   DictionaryValue extra_attributes_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(MemoryAllocatorDump);
  61 };
  62
  63 }  // namespace trace_event
  64 }  // namespace base
  65
  66 #endif  // BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_H_