summaryrefslogtreecommitdiffstats
path: root/storage/perfschema/table_events_waits_summary.h
diff options
context:
space:
mode:
Diffstat (limited to 'storage/perfschema/table_events_waits_summary.h')
-rw-r--r--storage/perfschema/table_events_waits_summary.h97
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