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- /* Copyright (c) 2008, 2021, Oracle and/or its affiliates.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License, version 2.0,
- as published by the Free Software Foundation.
-
- This program is also distributed with certain software (including
- but not limited to OpenSSL) that is licensed under separate terms,
- as designated in a particular file or component or in included license
- documentation. The authors of MySQL hereby grant you an additional
- permission to link the program and your derivative works with the
- separately licensed software that they have included with MySQL.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License, version 2.0, for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
-
- #ifndef PFS_SERVER_H
- #define PFS_SERVER_H
-
- /**
- @file storage/perfschema/pfs_server.h
- Private interface for the server (declarations).
- */
-
- #define PFS_AUTOSCALE_VALUE (-1)
- #define PFS_AUTOSIZE_VALUE (-1)
-
- #ifndef PFS_MAX_MUTEX_CLASS
- #define PFS_MAX_MUTEX_CLASS 210
- #endif
- #ifndef PFS_MAX_RWLOCK_CLASS
- #define PFS_MAX_RWLOCK_CLASS 50
- #endif
- #ifndef PFS_MAX_COND_CLASS
- #define PFS_MAX_COND_CLASS 80
- #endif
- #ifndef PFS_MAX_THREAD_CLASS
- #define PFS_MAX_THREAD_CLASS 50
- #endif
- #ifndef PFS_MAX_FILE_CLASS
- #define PFS_MAX_FILE_CLASS 80
- #endif
- #ifndef PFS_MAX_FILE_HANDLE
- #define PFS_MAX_FILE_HANDLE 32768
- #endif
- #ifndef PFS_MAX_SOCKET_CLASS
- #define PFS_MAX_SOCKET_CLASS 10
- #endif
- #ifndef PFS_MAX_STAGE_CLASS
- #define PFS_MAX_STAGE_CLASS 150
- #endif
- #ifndef PFS_STATEMENTS_STACK_SIZE
- #define PFS_STATEMENTS_STACK_SIZE 10
- #endif
- #ifndef PFS_MAX_MEMORY_CLASS
- #define PFS_MAX_MEMORY_CLASS 320
- #endif
-
- /** Sizing hints, from the server configuration. */
- struct PFS_sizing_hints
- {
- /** Value of @c Sys_table_def_size */
- long m_table_definition_cache;
- /** Value of @c Sys_table_cache_size */
- long m_table_open_cache;
- /** Value of @c Sys_max_connections */
- long m_max_connections;
- /** Value of @c Sys_open_files_limit */
- long m_open_files_limit;
- /** Value of @c Sys_max_prepared_stmt_count */
- long m_max_prepared_stmt_count;
- };
-
- /** Performance schema global sizing parameters. */
- struct PFS_global_param
- {
- /** True if the performance schema is enabled. */
- bool m_enabled;
- /** Default values for SETUP_CONSUMERS. */
- bool m_consumer_events_stages_current_enabled;
- bool m_consumer_events_stages_history_enabled;
- bool m_consumer_events_stages_history_long_enabled;
- bool m_consumer_events_statements_current_enabled;
- bool m_consumer_events_statements_history_enabled;
- bool m_consumer_events_statements_history_long_enabled;
- bool m_consumer_events_transactions_current_enabled;
- bool m_consumer_events_transactions_history_enabled;
- bool m_consumer_events_transactions_history_long_enabled;
- bool m_consumer_events_waits_current_enabled;
- bool m_consumer_events_waits_history_enabled;
- bool m_consumer_events_waits_history_long_enabled;
- bool m_consumer_global_instrumentation_enabled;
- bool m_consumer_thread_instrumentation_enabled;
- bool m_consumer_statement_digest_enabled;
-
- /** Default instrument configuration option. */
- char *m_pfs_instrument;
-
- /**
- Maximum number of instrumented mutex classes.
- @sa mutex_class_lost.
- */
- ulong m_mutex_class_sizing;
- /**
- Maximum number of instrumented rwlock classes.
- @sa rwlock_class_lost.
- */
- ulong m_rwlock_class_sizing;
- /**
- Maximum number of instrumented cond classes.
- @sa cond_class_lost.
- */
- ulong m_cond_class_sizing;
- /**
- Maximum number of instrumented thread classes.
- @sa thread_class_lost.
- */
- ulong m_thread_class_sizing;
- /**
- Maximum number of instrumented table share.
- @sa table_share_lost.
- */
- long m_table_share_sizing;
- /**
- Maximum number of lock statistics collected for tables.
- @sa table_lock_stat_lost.
- */
- long m_table_lock_stat_sizing;
- /**
- Maximum number of index statistics collected for tables.
- @sa table_index_lost.
- */
- long m_index_stat_sizing;
- /**
- Maximum number of instrumented file classes.
- @sa file_class_lost.
- */
- ulong m_file_class_sizing;
- /**
- Maximum number of instrumented mutex instances.
- @sa mutex_lost.
- */
- long m_mutex_sizing;
- /**
- Maximum number of instrumented rwlock instances.
- @sa rwlock_lost.
- */
- long m_rwlock_sizing;
- /**
- Maximum number of instrumented cond instances.
- @sa cond_lost.
- */
- long m_cond_sizing;
- /**
- Maximum number of instrumented thread instances.
- @sa thread_lost.
- */
- long m_thread_sizing;
- /**
- Maximum number of instrumented table handles.
- @sa table_lost.
- */
- long m_table_sizing;
- /**
- Maximum number of instrumented file instances.
- @sa file_lost.
- */
- long m_file_sizing;
- /**
- Maximum number of instrumented file handles.
- @sa file_handle_lost.
- */
- long m_file_handle_sizing;
- /**
- Maxium number of instrumented socket instances
- @sa socket_lost
- */
- long m_socket_sizing;
- /**
- Maximum number of instrumented socket classes.
- @sa socket_class_lost.
- */
- ulong m_socket_class_sizing;
- /** Maximum number of rows per thread in table EVENTS_WAITS_HISTORY. */
- long m_events_waits_history_sizing;
- /** Maximum number of rows in table EVENTS_WAITS_HISTORY_LONG. */
- long m_events_waits_history_long_sizing;
- /** Maximum number of rows in table SETUP_ACTORS. */
- long m_setup_actor_sizing;
- /** Maximum number of rows in table SETUP_OBJECTS. */
- long m_setup_object_sizing;
- /** Maximum number of rows in table HOSTS. */
- long m_host_sizing;
- /** Maximum number of rows in table USERS. */
- long m_user_sizing;
- /** Maximum number of rows in table ACCOUNTS. */
- long m_account_sizing;
- /**
- Maximum number of instrumented stage classes.
- @sa stage_class_lost.
- */
- ulong m_stage_class_sizing;
- /** Maximum number of rows per thread in table EVENTS_STAGES_HISTORY. */
- long m_events_stages_history_sizing;
- /** Maximum number of rows in table EVENTS_STAGES_HISTORY_LONG. */
- long m_events_stages_history_long_sizing;
- /**
- Maximum number of instrumented statement classes.
- @sa statement_class_lost.
- */
- ulong m_statement_class_sizing;
- /** Maximum number of rows per thread in table EVENTS_STATEMENTS_HISTORY. */
- long m_events_statements_history_sizing;
- /** Maximum number of rows in table EVENTS_STATEMENTS_HISTORY_LONG. */
- long m_events_statements_history_long_sizing;
- /** Maximum number of digests to be captured */
- long m_digest_sizing;
- /** Maximum number of programs to be captured */
- long m_program_sizing;
- /** Maximum number of prepared statements to be captured */
- long m_prepared_stmt_sizing;
- /** Maximum number of rows per thread in table EVENTS_TRANSACTIONS_HISTORY. */
- long m_events_transactions_history_sizing;
- /** Maximum number of rows in table EVENTS_TRANSACTIONS_HISTORY_LONG. */
- long m_events_transactions_history_long_sizing;
-
- /** Maximum number of session attribute strings per thread */
- long m_session_connect_attrs_sizing;
- /** Maximum size of statement stack */
- ulong m_statement_stack_sizing;
-
- /**
- Maximum number of instrumented memory classes.
- @sa memory_class_lost.
- */
- ulong m_memory_class_sizing;
-
- long m_metadata_lock_sizing;
-
- long m_max_digest_length;
- ulong m_max_sql_text_length;
-
- /** Sizing hints, for auto tuning. */
- PFS_sizing_hints m_hints;
- };
-
- /**
- Performance schema sizing values for the server.
- This global variable is set when parsing server startup options.
- */
- extern PFS_global_param pfs_param;
-
- /**
- Null initialization.
- Disable all instrumentation, size all internal buffers to 0.
- This pre initialization step is needed to ensure that events can be collected
- and discarded, until such time @c initialize_performance_schema() is called.
- */
- void pre_initialize_performance_schema();
-
- /**
- Initialize the performance schema.
- @param param Size parameters to use.
- @return A bootstrap handle, or NULL.
- */
- struct PSI_bootstrap*
- initialize_performance_schema(PFS_global_param *param);
-
- void pfs_automated_sizing(PFS_global_param *param);
-
- /**
- Initialize the performance schema ACL.
- ACL is strictly enforced when the server is running in normal mode,
- to enforce that only legal operations are allowed.
- When running in bootstrap mode, ACL restrictions are relaxed,
- to allow the bootstrap scripts to DROP / CREATE performance schema tables.
- @sa ACL_internal_schema_registry
- @param bootstrap True if the server is starting in bootstrap mode.
- */
- void initialize_performance_schema_acl(bool bootstrap);
-
- void check_performance_schema();
-
- /**
- Reset the aggregated status counter stats.
- */
- void reset_pfs_status_stats();
-
- /**
- Initialize the dynamic array holding individual instrument settings collected
- from the server configuration options.
- */
- void init_pfs_instrument_array();
-
- /**
- Process one PFS_INSTRUMENT configuration string.
- */
- int add_pfs_instr_to_array(const char* name, const char* value);
-
- /**
- Shutdown the performance schema.
- */
- void shutdown_performance_schema();
-
- #endif
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