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Diffstat (limited to 'storage/perfschema/table_events_waits_summary.h')
-rw-r--r-- | storage/perfschema/table_events_waits_summary.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/storage/perfschema/table_events_waits_summary.h b/storage/perfschema/table_events_waits_summary.h new file mode 100644 index 00000000..d84a79ef --- /dev/null +++ b/storage/perfschema/table_events_waits_summary.h @@ -0,0 +1,97 @@ +/* Copyright (c) 2008, 2023, 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, Fifth Floor, Boston, MA 02110-1335 USA */ + +#ifndef TABLE_EVENTS_WAITS_SUMMARY_H +#define TABLE_EVENTS_WAITS_SUMMARY_H + +/** + @file storage/perfschema/table_events_waits_summary.h + Table EVENTS_WAITS_SUMMARY_BY_xxx (declarations). +*/ + +#include "pfs_column_types.h" +#include "pfs_engine_table.h" +#include "pfs_instr_class.h" +#include "pfs_instr.h" +#include "table_all_instr.h" +#include "table_helper.h" + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** A row of PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_INSTANCE. */ +struct row_events_waits_summary_by_instance +{ + /** Column EVENT_NAME. */ + const char *m_name; + /** Length in bytes of @c m_name. */ + uint m_name_length; + /** Column OBJECT_INSTANCE_BEGIN. */ + intptr m_object_instance_addr; + /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */ + PFS_stat_row m_stat; +}; + +/** Table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_BY_INSTANCE. */ +class table_events_waits_summary_by_instance : public table_all_instr +{ +public: + static PFS_engine_table_share_state m_share_state; + /** Table share */ + static PFS_engine_table_share m_share; + static PFS_engine_table* create(); + static int delete_all_rows(); + +protected: + void make_instr_row(PFS_instr *pfs, PFS_instr_class *klass, + const void *object_instance_begin, + PFS_single_stat *pfs_stat); + virtual void make_mutex_row(PFS_mutex *pfs); + virtual void make_rwlock_row(PFS_rwlock *pfs); + virtual void make_cond_row(PFS_cond *pfs); + virtual void make_file_row(PFS_file *pfs); + virtual void make_socket_row(PFS_socket *pfs); + + virtual int read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all); + + table_events_waits_summary_by_instance(); + +public: + ~table_events_waits_summary_by_instance() = default; + +private: + /** Table share lock. */ + static THR_LOCK m_table_lock; + + /** Current row. */ + row_events_waits_summary_by_instance m_row; + /** True if the current row exists. */ + bool m_row_exists; +}; + +/** @} */ +#endif |