| // 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/macros.h" |
| #include "base/memory/singleton.h" |
| #include "base/trace_event/memory_dump_provider.h" |
| #include "sql/sql_export.h" |
| |
| namespace sql { |
| |
| // Adds process-wide memory usage statistics about sqlite to chrome://tracing. |
| // sql::Connection::OnMemoryDump adds per-connection memory statistics. |
| class SQL_EXPORT SqlMemoryDumpProvider |
| : public base::trace_event::MemoryDumpProvider { |
| public: |
| static SqlMemoryDumpProvider* GetInstance(); |
| |
| // MemoryDumpProvider implementation. |
| bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args, |
| base::trace_event::ProcessMemoryDump* pmd) override; |
| |
| private: |
| friend struct base::DefaultSingletonTraits<SqlMemoryDumpProvider>; |
| |
| SqlMemoryDumpProvider(); |
| ~SqlMemoryDumpProvider() override; |
| |
| DISALLOW_COPY_AND_ASSIGN(SqlMemoryDumpProvider); |
| }; |
| |
| } // namespace sql |
| |
| #endif // SQL_SQL_MEMORY_DUMP_PROVIDER_H |