| // Copyright 2015 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_WINHEAP_DUMP_PROVIDER_WIN_H_ |
| #define BASE_TRACE_EVENT_WINHEAP_DUMP_PROVIDER_WIN_H_ |
| |
| #include <set> |
| |
| #include "base/memory/singleton.h" |
| #include "base/trace_event/memory_dump_provider.h" |
| |
| namespace base { |
| namespace trace_event { |
| |
| // A structure containing some information about a given heap. |
| struct WinHeapInfo { |
| HANDLE heap_id; |
| size_t committed_size; |
| size_t allocated_size; |
| size_t block_count; |
| }; |
| |
| // Dump provider which collects process-wide heap memory stats. This provider |
| // iterates over all the heaps of the current process to gather some metrics |
| // about them. |
| class BASE_EXPORT WinHeapDumpProvider : public MemoryDumpProvider { |
| public: |
| static WinHeapDumpProvider* GetInstance(); |
| |
| // MemoryDumpProvider implementation. |
| bool OnMemoryDump(ProcessMemoryDump* pmd) override; |
| |
| private: |
| friend struct DefaultSingletonTraits<WinHeapDumpProvider>; |
| |
| // Retrieves the information about given heap. The |heap_info| should contain |
| // a valid handle to an existing heap. The blocks contained in the |
| // |block_to_skip| set will be ignored. |
| bool GetHeapInformation(WinHeapInfo* heap_info, |
| const std::set<void*>& block_to_skip); |
| |
| WinHeapDumpProvider() {} |
| ~WinHeapDumpProvider() override {} |
| |
| DISALLOW_COPY_AND_ASSIGN(WinHeapDumpProvider); |
| }; |
| |
| } // namespace trace_event |
| } // namespace base |
| |
| #endif // BASE_TRACE_EVENT_WINHEAP_DUMP_PROVIDER_WIN_H_ |