1 // Copyright 2015 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef SQL_SQL_MEMORY_DUMP_PROVIDER_H_
6 #define SQL_SQL_MEMORY_DUMP_PROVIDER_H_
8 #include "base/component_export.h"
9 #include "base/memory/singleton.h"
10 #include "base/trace_event/memory_dump_provider.h"
14 // Adds process-wide memory usage statistics about sqlite to chrome://tracing.
15 // sql::Database::OnMemoryDump adds per-connection memory statistics.
16 class COMPONENT_EXPORT(SQL) SqlMemoryDumpProvider
17 : public base::trace_event::MemoryDumpProvider {
19 static SqlMemoryDumpProvider* GetInstance();
21 SqlMemoryDumpProvider(const SqlMemoryDumpProvider&) = delete;
22 SqlMemoryDumpProvider& operator=(const SqlMemoryDumpProvider&) = delete;
24 // MemoryDumpProvider implementation.
25 bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
26 base::trace_event::ProcessMemoryDump* pmd) override;
29 friend struct base::DefaultSingletonTraits<SqlMemoryDumpProvider>;
31 SqlMemoryDumpProvider();
32 ~SqlMemoryDumpProvider() override;
37 #endif // SQL_SQL_MEMORY_DUMP_PROVIDER_H_