// 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 SQL_SQL_MEMORY_DUMP_PROVIDER_H_ #define SQL_SQL_MEMORY_DUMP_PROVIDER_H_ #include "base/component_export.h" #include "base/memory/singleton.h" #include "base/trace_event/memory_dump_provider.h" namespace sql { // Adds process-wide memory usage statistics about sqlite to chrome://tracing. // sql::Database::OnMemoryDump adds per-connection memory statistics. class COMPONENT_EXPORT(SQL) SqlMemoryDumpProvider : public base::trace_event::MemoryDumpProvider { public: static SqlMemoryDumpProvider* GetInstance(); SqlMemoryDumpProvider(const SqlMemoryDumpProvider&) = delete; SqlMemoryDumpProvider& operator=(const SqlMemoryDumpProvider&) = delete; // MemoryDumpProvider implementation. bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args, base::trace_event::ProcessMemoryDump* pmd) override; private: friend struct base::DefaultSingletonTraits; SqlMemoryDumpProvider(); ~SqlMemoryDumpProvider() override; }; } // namespace sql #endif // SQL_SQL_MEMORY_DUMP_PROVIDER_H_