From a175314c3e5827eb193872241446f2f8f5c9d33c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:07:14 +0200 Subject: Adding upstream version 1:10.5.12. Signed-off-by: Daniel Baumann --- .../perfschema/table_mems_global_by_event_name.h | 132 +++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100644 storage/perfschema/table_mems_global_by_event_name.h (limited to 'storage/perfschema/table_mems_global_by_event_name.h') diff --git a/storage/perfschema/table_mems_global_by_event_name.h b/storage/perfschema/table_mems_global_by_event_name.h new file mode 100644 index 00000000..14a54142 --- /dev/null +++ b/storage/perfschema/table_mems_global_by_event_name.h @@ -0,0 +1,132 @@ +/* Copyright (c) 2011, 2015, 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, Suite 500, Boston, MA 02110-1335 USA */ + +#ifndef TABLE_MEMORY_SUMMARY_GLOBAL_BY_EVENT_NAME_H +#define TABLE_MEMORY_SUMMARY_GLOBAL_BY_EVENT_NAME_H + +/** + @file storage/perfschema/table_mems_global_by_event_name.h + Table MEMORY_SUMMARY_GLOBAL_BY_EVENT_NAME (declarations). +*/ + +#include "pfs_column_types.h" +#include "pfs_engine_table.h" +#include "pfs_instr_class.h" +#include "pfs_builtin_memory.h" +#include "table_helper.h" + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** A row of PERFORMANCE_SCHEMA.MEMORY_SUMMARY_GLOBAL_BY_EVENT_NAME. */ +struct row_mems_global_by_event_name +{ + /** Column EVENT_NAME. */ + PFS_event_name_row m_event_name; + /** Columns COUNT_ALLOC, ... */ + PFS_memory_stat_row m_stat; +}; + +/** + Position of a cursor on + PERFORMANCE_SCHEMA.MEMORY_SUMMARY_GLOBAL_BY_EVENT_NAME. + Index 1 on view + Index 2 on instrument key (1 based) +*/ +struct pos_mems_global_by_event_name : public PFS_double_index +{ + static const uint FIRST_VIEW= 1; + static const uint VIEW_BUILTIN_MEMORY= 1; + static const uint VIEW_MEMORY= 2; + static const uint LAST_VIEW= 2; + + pos_mems_global_by_event_name() + : PFS_double_index(FIRST_VIEW, 1) + {} + + inline void reset(void) + { + m_index_1= FIRST_VIEW; + m_index_2= 1; + } + + inline bool has_more_view(void) + { return (m_index_1 <= LAST_VIEW); } + + inline void next_view(void) + { + m_index_1++; + m_index_2= 1; + } +}; + +/** Table PERFORMANCE_SCHEMA.MEMORY_SUMMARY_GLOBAL_BY_EVENT_NAME. */ +class table_mems_global_by_event_name : public PFS_engine_table +{ + typedef pos_mems_global_by_event_name pos_t; + +public: + /** Table share */ + static PFS_engine_table_share m_share; + static PFS_engine_table* create(); + static int delete_all_rows(); + static ha_rows get_row_count(); + + virtual int rnd_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +private: + virtual int read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all); + + table_mems_global_by_event_name(); + +public: + ~table_mems_global_by_event_name() + {} + +private: + void make_row(PFS_builtin_memory_class *klass); + void make_row(PFS_memory_class *klass); + + /** Table share lock. */ + static THR_LOCK m_table_lock; + /** Fields definition. */ + static TABLE_FIELD_DEF m_field_def; + + /** Current row. */ + row_mems_global_by_event_name m_row; + /** True is the current row exists. */ + bool m_row_exists; + /** Current position. */ + pos_t m_pos; + /** Next position. */ + pos_t m_next_pos; +}; + +/** @} */ +#endif -- cgit v1.2.3