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P_S 5.7.28
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@ -9,7 +9,7 @@ where NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex' GROUP BY NAME;
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NAME
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wait/synch/mutex/mysys/THR_LOCK::mutex
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select NAME from performance_schema.rwlock_instances
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where NAME = 'wait/synch/rwlock/sql/LOCK_grant';
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where NAME = 'wait/synch/rwlock/sql/LOCK_grant' limit 1;
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NAME
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wait/synch/rwlock/sql/LOCK_grant
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DROP TABLE IF EXISTS t1;
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@ -105,7 +105,7 @@ Success
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UPDATE performance_schema.setup_instruments SET enabled = 'YES';
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DROP TABLE t1;
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UPDATE performance_schema.setup_instruments SET enabled = 'YES', timed = 'YES';
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show status like "performance_schema%";
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show global status like "performance_schema%";
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Variable_name Value
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Performance_schema_accounts_lost 0
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Performance_schema_cond_classes_lost 0
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@ -115,9 +115,15 @@ Performance_schema_file_classes_lost 0
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Performance_schema_file_handles_lost 0
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Performance_schema_file_instances_lost 0
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Performance_schema_hosts_lost 0
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Performance_schema_index_stat_lost 0
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Performance_schema_locker_lost 0
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Performance_schema_memory_classes_lost 0
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Performance_schema_metadata_lock_lost 0
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Performance_schema_mutex_classes_lost 0
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Performance_schema_mutex_instances_lost 0
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Performance_schema_nested_statement_lost 0
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Performance_schema_prepared_statements_lost 0
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Performance_schema_program_lost 0
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Performance_schema_rwlock_classes_lost 0
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Performance_schema_rwlock_instances_lost 0
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Performance_schema_session_connect_attrs_lost 0
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@ -127,6 +133,7 @@ Performance_schema_stage_classes_lost 0
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Performance_schema_statement_classes_lost 0
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Performance_schema_table_handles_lost 0
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Performance_schema_table_instances_lost 0
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Performance_schema_table_lock_stat_lost 0
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Performance_schema_thread_classes_lost 0
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Performance_schema_thread_instances_lost 0
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Performance_schema_users_lost 0
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