| // Copyright 2015 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SQL_DATABASE_MEMORY_DUMP_PROVIDER_H_ |
| #define SQL_DATABASE_MEMORY_DUMP_PROVIDER_H_ |
| |
| #include<string> |
| |
| #include"base/memory/raw_ptr.h" |
| #include"base/synchronization/lock.h" |
| #include"base/thread_annotations.h" |
| #include"base/trace_event/memory_dump_provider.h" |
| |
| struct sqlite3; |
| |
| namespacebase::trace_event{ |
| structMemoryDumpArgs; |
| classProcessMemoryDump; |
| }// namespace base::trace_event |
| |
| namespace sql{ |
| |
| classDatabaseMemoryDumpProvider |
| :publicbase::trace_event::MemoryDumpProvider{ |
| public: |
| DatabaseMemoryDumpProvider(sqlite3* db,const std::string& name); |
| |
| DatabaseMemoryDumpProvider(constDatabaseMemoryDumpProvider&)=delete; |
| DatabaseMemoryDumpProvider&operator=(constDatabaseMemoryDumpProvider&)= |
| delete; |
| |
| ~DatabaseMemoryDumpProvider()override; |
| |
| voidResetDatabase(); |
| |
| // base::trace_event::MemoryDumpProvider implementation. |
| boolOnMemoryDump( |
| constbase::trace_event::MemoryDumpArgs& args, |
| base::trace_event::ProcessMemoryDump* process_memory_dump)override; |
| |
| // Reports memory usage into provided memory dump with the given |dump_name|. |
| // Called by sql::Database when its owner asks it to report memory usage. |
| boolReportMemoryUsage(base::trace_event::ProcessMemoryDump* pmd, |
| const std::string& dump_name); |
| |
| private: |
| structMemoryUsageResult{ |
| bool is_valid=false; |
| int cache_size=0; |
| int schema_size=0; |
| int statement_size=0; |
| }; |
| MemoryUsageResultGetDbMemoryUsage(); |
| |
| std::stringFormatDumpName()const; |
| |
| base::Lock lock_; |
| raw_ptr<sqlite3> db_ GUARDED_BY_CONTEXT(lock_);// not owned. |
| const std::string connection_name_; |
| }; |
| |
| }// namespace sql |
| |
| #endif// SQL_DATABASE_MEMORY_DUMP_PROVIDER_H_ |
