21.10 Performance Schema Option and Variable Reference

Table 21.3 Performance Schema Variable Reference

NameCmd-LineOption fileSystem VarStatus VarVar ScopeDynamic
performance_schemaYesYesYes GlobalNo
Performance_schema_accounts_lost   YesGlobalNo
performance_schema_accounts_sizeYesYesYes GlobalNo
Performance_schema_cond_classes_lost   YesGlobalNo
Performance_schema_cond_instances_lost   YesGlobalNo
performance-schema-consumer-events-stages-currentYesYes    
performance-schema-consumer-events-stages-historyYesYes    
performance-schema-consumer-events-stages-history-longYesYes    
performance-schema-consumer-events-statements-currentYesYes    
performance-schema-consumer-events-statements-historyYesYes    
performance-schema-consumer-events-statements-history-longYesYes    
performance-schema-consumer-events-waits-currentYesYes    
performance-schema-consumer-events-waits-historyYesYes    
performance-schema-consumer-events-waits-history-longYesYes    
performance-schema-consumer-global-instrumentationYesYes    
performance-schema-consumer-statements-digestYesYes    
performance-schema-consumer-thread-instrumentationYesYes    
Performance_schema_digest_lost   YesGlobalNo
performance_schema_digests_sizeYesYesYes GlobalNo
performance_schema_events_stages_history_long_sizeYesYesYes GlobalNo
performance_schema_events_stages_history_sizeYesYesYes GlobalNo
performance_schema_events_statements_history_long_sizeYesYesYes GlobalNo
performance_schema_events_statements_history_sizeYesYesYes GlobalNo
performance_schema_events_waits_history_long_sizeYesYesYes GlobalNo
performance_schema_events_waits_history_sizeYesYesYes GlobalNo
Performance_schema_file_classes_lost   YesGlobalNo
Performance_schema_file_handles_lost   YesGlobalNo
Performance_schema_file_instances_lost   YesGlobalNo
Performance_schema_hosts_lost   YesGlobalNo
performance_schema_hosts_sizeYesYesYes GlobalNo
performance-schema-instrumentYesYes    
Performance_schema_locker_lost   YesGlobalNo
performance_schema_max_cond_classesYesYesYes GlobalNo
performance_schema_max_cond_instancesYesYesYes GlobalNo
performance_schema_max_file_classesYesYesYes GlobalNo
performance_schema_max_file_handlesYesYesYes GlobalNo
performance_schema_max_file_instancesYesYesYes GlobalNo
performance_schema_max_mutex_classesYesYesYes GlobalNo
performance_schema_max_mutex_instancesYesYesYes GlobalNo
performance_schema_max_rwlock_classesYesYesYes GlobalNo
performance_schema_max_rwlock_instancesYesYesYes GlobalNo
performance_schema_max_socket_classesYesYesYes GlobalNo
performance_schema_max_socket_instancesYesYesYes GlobalNo
performance_schema_max_stage_classesYesYesYes GlobalNo
performance_schema_max_statement_classesYesYesYes GlobalNo
performance_schema_max_table_handlesYesYesYes GlobalNo
performance_schema_max_table_instancesYesYesYes GlobalNo
performance_schema_max_thread_classesYesYesYes GlobalNo
performance_schema_max_thread_instancesYesYesYes GlobalNo
Performance_schema_mutex_classes_lost   YesGlobalNo
Performance_schema_mutex_instances_lost   YesGlobalNo
Performance_schema_rwlock_classes_lost   YesGlobalNo
Performance_schema_rwlock_instances_lost   YesGlobalNo
Performance_schema_session_connect_attrs_lost   YesGlobalNo
performance_schema_session_connect_attrs_sizeYesYesYes GlobalNo
performance_schema_setup_actors_sizeYesYesYes GlobalNo
performance_schema_setup_objects_sizeYesYesYes GlobalNo
Performance_schema_socket_classes_lost   YesGlobalNo
Performance_schema_socket_instances_lost   YesGlobalNo
Performance_schema_stage_classes_lost   YesGlobalNo
Performance_schema_statement_classes_lost   YesGlobalNo
Performance_schema_table_handles_lost   YesGlobalNo
Performance_schema_table_instances_lost   YesGlobalNo
Performance_schema_thread_classes_lost   YesGlobalNo
Performance_schema_thread_instances_lost   YesGlobalNo
Performance_schema_users_lost   YesGlobalNo
performance_schema_users_sizeYesYesYes GlobalNo