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// 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_MALLOC_DUMP_PROVIDER_H_
#define BASE_TRACE_EVENT_MALLOC_DUMP_PROVIDER_H_
#include <istream>
#include "base/macros.h"
#include "base/memory/singleton.h"
#include "base/trace_event/memory_dump_provider.h"
#include "build/build_config.h"
#if defined(OS_LINUX) || defined(OS_ANDROID) || \
(defined(OS_MACOSX) && !defined(OS_IOS))
#define MALLOC_MEMORY_TRACING_SUPPORTED
#endif
namespace base {
namespace trace_event {
// Dump provider which collects process-wide memory stats.
class BASE_EXPORT MallocDumpProvider : public MemoryDumpProvider {
public:
// Name of the allocated_objects dump. Use this to declare suballocator dumps
// from other dump providers.
static const char kAllocatedObjects[];
static MallocDumpProvider* GetInstance();
// MemoryDumpProvider implementation.
bool OnMemoryDump(const MemoryDumpArgs& args,
ProcessMemoryDump* pmd) override;
private:
friend struct DefaultSingletonTraits<MallocDumpProvider>;
MallocDumpProvider();
~MallocDumpProvider() override;
DISALLOW_COPY_AND_ASSIGN(MallocDumpProvider);
};
} // namespace trace_event
} // namespace base
#endif // BASE_TRACE_EVENT_MALLOC_DUMP_PROVIDER_H_
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