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Diffstat (limited to 'storage/perfschema/pfs_server.h')
| -rw-r--r-- | storage/perfschema/pfs_server.h | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/storage/perfschema/pfs_server.h b/storage/perfschema/pfs_server.h new file mode 100644 index 00000000..68f6f71d --- /dev/null +++ b/storage/perfschema/pfs_server.h @@ -0,0 +1,309 @@ +/* Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved. + + 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, Fifth Floor, 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 90 +#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 160 +#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); + +/** + 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 |