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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_PROCESS_MEMORY_MAPS_DUMP_PROVIDER_H_
#define BASE_TRACE_EVENT_PROCESS_MEMORY_MAPS_DUMP_PROVIDER_H_
#include <istream>
#include "base/gtest_prod_util.h"
#include "base/memory/singleton.h"
#include "base/trace_event/memory_dump_provider.h"
namespace base {
namespace trace_event {
// Dump provider which collects process-wide memory stats.
class BASE_EXPORT ProcessMemoryMapsDumpProvider : public MemoryDumpProvider {
public:
static ProcessMemoryMapsDumpProvider* GetInstance();
// MemoryDumpProvider implementation.
bool DumpInto(ProcessMemoryDump* pmd) override;
const char* GetFriendlyName() const override;
private:
friend struct DefaultSingletonTraits<ProcessMemoryMapsDumpProvider>;
FRIEND_TEST_ALL_PREFIXES(ProcessMemoryMapsDumpProviderTest, ParseProcSmaps);
#if defined(OS_LINUX) || defined(OS_ANDROID)
static std::istream* proc_smaps_for_testing;
#endif
ProcessMemoryMapsDumpProvider();
~ProcessMemoryMapsDumpProvider() override;
DISALLOW_COPY_AND_ASSIGN(ProcessMemoryMapsDumpProvider);
};
} // namespace trace_event
} // namespace base
#endif // BASE_TRACE_EVENT_PROCESS_MEMORY_MAPS_DUMP_PROVIDER_H_
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