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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/perfschema/table_esms_by_program.cc
parentInitial commit. (diff)
downloadmariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz
mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/perfschema/table_esms_by_program.cc')
-rw-r--r--storage/perfschema/table_esms_by_program.cc252
1 files changed, 252 insertions, 0 deletions
diff --git a/storage/perfschema/table_esms_by_program.cc b/storage/perfschema/table_esms_by_program.cc
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+/* Copyright (c) 2010, 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, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
+
+/**
+ @file storage/perfschema/table_esms_by_program.cc
+ Table EVENTS_STATEMENTS_SUMMARY_BY_PROGRAM (implementation).
+*/
+
+#include "my_global.h"
+#include "my_thread.h"
+#include "pfs_instr_class.h"
+#include "pfs_column_types.h"
+#include "pfs_column_values.h"
+#include "pfs_global.h"
+#include "pfs_instr.h"
+#include "pfs_timer.h"
+#include "pfs_visitor.h"
+#include "pfs_program.h"
+#include "table_esms_by_program.h"
+#include "pfs_buffer_container.h"
+#include "field.h"
+
+THR_LOCK table_esms_by_program::m_table_lock;
+
+PFS_engine_table_share_state
+table_esms_by_program::m_share_state = {
+ false /* m_checked */
+};
+
+PFS_engine_table_share
+table_esms_by_program::m_share=
+{
+ { C_STRING_WITH_LEN("events_statements_summary_by_program") },
+ &pfs_truncatable_acl,
+ table_esms_by_program::create,
+ NULL, /* write_row */
+ table_esms_by_program::delete_all_rows,
+ table_esms_by_program::get_row_count,
+ sizeof(PFS_simple_index),
+ &m_table_lock,
+ { C_STRING_WITH_LEN("CREATE TABLE events_statements_summary_by_program ("
+ "OBJECT_TYPE enum('EVENT', 'FUNCTION', 'PROCEDURE', 'TABLE', 'TRIGGER') comment 'Object type for which the summary is generated.',"
+ "OBJECT_SCHEMA varchar(64) NOT NULL comment 'The schema of the object for which the summary is generated.',"
+ "OBJECT_NAME varchar(64) NOT NULL comment 'The name of the object for which the summary is generated.',"
+ "COUNT_STAR bigint(20) unsigned NOT NULL comment 'The number of summarized events (from events_statements_current). This value includes all events, whether timed or nontimed.',"
+ "SUM_TIMER_WAIT bigint(20) unsigned NOT NULL comment 'The total wait time of the summarized timed events. This value is calculated only for timed events because nontimed events have a wait time of NULL. The same is true for the other xxx_TIMER_WAIT values.',"
+ "MIN_TIMER_WAIT bigint(20) unsigned NOT NULL comment 'The minimum wait time of the summarized timed events.',"
+ "AVG_TIMER_WAIT bigint(20) unsigned NOT NULL comment 'The average wait time of the summarized timed events.',"
+ "MAX_TIMER_WAIT bigint(20) unsigned NOT NULL comment 'The maximum wait time of the summarized timed events.',"
+ "COUNT_STATEMENTS bigint(20) unsigned NOT NULL comment 'Total number of nested statements invoked during stored program execution.',"
+ "SUM_STATEMENTS_WAIT bigint(20) unsigned NOT NULL comment 'The total wait time of the summarized timed statements. This value is calculated only for timed statements because nontimed statements have a wait time of NULL. The same is true for the other xxx_STATEMENT_WAIT values.',"
+ "MIN_STATEMENTS_WAIT bigint(20) unsigned NOT NULL comment 'The minimum wait time of the summarized timed statements.',"
+ "AVG_STATEMENTS_WAIT bigint(20) unsigned NOT NULL comment 'The average wait time of the summarized timed statements.',"
+ "MAX_STATEMENTS_WAIT bigint(20) unsigned NOT NULL comment 'The maximum wait time of the summarized timed statements.',"
+ "SUM_LOCK_TIME bigint(20) unsigned NOT NULL comment 'The total time spent (in picoseconds) waiting for table locks for the summarized statements.',"
+ "SUM_ERRORS bigint(20) unsigned NOT NULL comment 'The total number of errors that occurend for the summarized statements.',"
+ "SUM_WARNINGS bigint(20) unsigned NOT NULL comment 'The total number of warnings that occurend for the summarized statements.',"
+ "SUM_ROWS_AFFECTED bigint(20) unsigned NOT NULL comment 'The total number of affected rows by the summarized statements.',"
+ "SUM_ROWS_SENT bigint(20) unsigned NOT NULL comment 'The total number of rows returned by the summarized statements.',"
+ "SUM_ROWS_EXAMINED bigint(20) unsigned NOT NULL comment 'The total number of rows examined by the summarized statements.',"
+ "SUM_CREATED_TMP_DISK_TABLES bigint(20) unsigned NOT NULL comment 'The total number of on-disk temporary tables created by the summarized statements.',"
+ "SUM_CREATED_TMP_TABLES bigint(20) unsigned NOT NULL comment 'The total number of in-memory temporary tables created by the summarized statements.',"
+ "SUM_SELECT_FULL_JOIN bigint(20) unsigned NOT NULL comment 'The total number of full joins executed by the summarized statements.',"
+ "SUM_SELECT_FULL_RANGE_JOIN bigint(20) unsigned NOT NULL comment 'The total number of range search joins executed by the summarized statements.',"
+ "SUM_SELECT_RANGE bigint(20) unsigned NOT NULL comment 'The total number of joins that used ranges on the first table executed by the summarized statements.',"
+ "SUM_SELECT_RANGE_CHECK bigint(20) unsigned NOT NULL comment 'The total number of joins that check for key usage after each row executed by the summarized statements.',"
+ "SUM_SELECT_SCAN bigint(20) unsigned NOT NULL comment 'The total number of joins that did a full scan of the first table executed by the summarized statements.',"
+ "SUM_SORT_MERGE_PASSES bigint(20) unsigned NOT NULL comment 'The total number of merge passes that the sort algorithm has had to do for the summarized statements.',"
+ "SUM_SORT_RANGE bigint(20) unsigned NOT NULL comment 'The total number of sorts that were done using ranges for the summarized statements.',"
+ "SUM_SORT_ROWS bigint(20) unsigned NOT NULL comment 'The total number of sorted rows that were sorted by the summarized statements.',"
+ "SUM_SORT_SCAN bigint(20) unsigned NOT NULL comment 'The total number of sorts that were done by scanning the table by the summarized statements.',"
+ "SUM_NO_INDEX_USED bigint(20) unsigned NOT NULL comment 'The total number of statements that performed a table scan without using an index.',"
+ "SUM_NO_GOOD_INDEX_USED bigint(20) unsigned NOT NULL comment 'The total number of statements where no good index was found.')")},
+ false, /* m_perpetual */
+ false, /* m_optional */
+ &m_share_state
+};
+
+PFS_engine_table*
+table_esms_by_program::create(void)
+{
+ return new table_esms_by_program();
+}
+
+int
+table_esms_by_program::delete_all_rows(void)
+{
+ reset_esms_by_program();
+ return 0;
+}
+
+ha_rows
+table_esms_by_program::get_row_count(void)
+{
+ return global_program_container.get_row_count();
+}
+
+table_esms_by_program::table_esms_by_program()
+ : PFS_engine_table(&m_share, &m_pos),
+ m_row_exists(false), m_pos(0), m_next_pos(0)
+{}
+
+void table_esms_by_program::reset_position(void)
+{
+ m_pos= 0;
+ m_next_pos= 0;
+}
+
+int table_esms_by_program::rnd_next(void)
+{
+ PFS_program* pfs;
+
+ m_pos.set_at(&m_next_pos);
+ PFS_program_iterator it= global_program_container.iterate(m_pos.m_index);
+ pfs= it.scan_next(& m_pos.m_index);
+ if (pfs != NULL)
+ {
+ make_row(pfs);
+ m_next_pos.set_after(&m_pos);
+ return 0;
+ }
+
+ return HA_ERR_END_OF_FILE;
+}
+
+int
+table_esms_by_program::rnd_pos(const void *pos)
+{
+ PFS_program* pfs;
+
+ set_position(pos);
+
+ pfs= global_program_container.get(m_pos.m_index);
+ if (pfs != NULL)
+ {
+ make_row(pfs);
+ return 0;
+ }
+
+ return HA_ERR_RECORD_DELETED;
+}
+
+
+void table_esms_by_program::make_row(PFS_program* program)
+{
+ pfs_optimistic_state lock;
+ m_row_exists= false;
+
+ program->m_lock.begin_optimistic_lock(&lock);
+
+ m_row.m_object_type= program->m_type;
+
+ m_row.m_object_name_length= program->m_object_name_length;
+ if(m_row.m_object_name_length > 0)
+ memcpy(m_row.m_object_name, program->m_object_name,
+ m_row.m_object_name_length);
+
+ m_row.m_schema_name_length= program->m_schema_name_length;
+ if(m_row.m_schema_name_length > 0)
+ memcpy(m_row.m_schema_name, program->m_schema_name,
+ m_row.m_schema_name_length);
+
+ time_normalizer *normalizer= time_normalizer::get(statement_timer);
+ /* Get stored program's over all stats. */
+ m_row.m_sp_stat.set(normalizer, &program->m_sp_stat);
+ /* Get sub statements' stats. */
+ m_row.m_stmt_stat.set(normalizer, & program->m_stmt_stat);
+
+ if (! program->m_lock.end_optimistic_lock(&lock))
+ return;
+
+ m_row_exists= true;
+}
+
+int table_esms_by_program
+::read_row_values(TABLE *table, unsigned char *buf, Field **fields,
+ bool read_all)
+{
+ Field *f;
+
+ if (unlikely(! m_row_exists))
+ return HA_ERR_RECORD_DELETED;
+
+ /*
+ Set the null bits. It indicates how many fields could be null
+ in the table.
+ */
+ assert(table->s->null_bytes == 1);
+ buf[0]= 0;
+
+ for (; (f= *fields) ; fields++)
+ {
+ if (read_all || bitmap_is_set(table->read_set, f->field_index))
+ {
+ switch(f->field_index)
+ {
+ case 0: /* OBJECT_TYPE */
+ if(m_row.m_object_type != 0)
+ set_field_enum(f, m_row.m_object_type);
+ else
+ f->set_null();
+ break;
+ case 1: /* OBJECT_SCHEMA */
+ if(m_row.m_schema_name_length > 0)
+ set_field_varchar_utf8(f, m_row.m_schema_name,
+ m_row.m_schema_name_length);
+ else
+ f->set_null();
+ break;
+ case 2: /* OBJECT_NAME */
+ if(m_row.m_object_name_length > 0)
+ set_field_varchar_utf8(f, m_row.m_object_name,
+ m_row.m_object_name_length);
+ else
+ f->set_null();
+ break;
+ case 3: /* COUNT_STAR */
+ case 4: /* SUM_TIMER_WAIT */
+ case 5: /* MIN_TIMER_WAIT */
+ case 6: /* AVG_TIMER_WAIT */
+ case 7: /* MAX_TIMER_WAIT */
+ m_row.m_sp_stat.set_field(f->field_index - 3, f);
+ break;
+ default: /* 8, ... COUNT/SUM/MIN/AVG/MAX */
+ m_row.m_stmt_stat.set_field(f->field_index - 8, f);
+ break;
+ }
+ }
+ }
+
+ return 0;
+}
+