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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
commit | a175314c3e5827eb193872241446f2f8f5c9d33c (patch) | |
tree | cd3d60ca99ae00829c52a6ca79150a5b6e62528b /storage/perfschema/table_events_stages.cc | |
parent | Initial commit. (diff) | |
download | mariadb-10.5-9e4947182e0b875da38088fdd168e775f473b8ad.tar.xz mariadb-10.5-9e4947182e0b875da38088fdd168e775f473b8ad.zip |
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/perfschema/table_events_stages.cc')
-rw-r--r-- | storage/perfschema/table_events_stages.cc | 541 |
1 files changed, 541 insertions, 0 deletions
diff --git a/storage/perfschema/table_events_stages.cc b/storage/perfschema/table_events_stages.cc new file mode 100644 index 00000000..cd6c79df --- /dev/null +++ b/storage/perfschema/table_events_stages.cc @@ -0,0 +1,541 @@ +/* Copyright (c) 2010, 2018, 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, Fifth Floor, Boston, MA 02110-1335 USA */ + +/** + @file storage/perfschema/table_events_stages.cc + Table EVENTS_STAGES_xxx (implementation). +*/ + +#include "my_global.h" +#include "my_thread.h" +#include "table_events_stages.h" +#include "pfs_instr_class.h" +#include "pfs_instr.h" +#include "pfs_events_stages.h" +#include "pfs_timer.h" +#include "pfs_buffer_container.h" +#include "field.h" + +THR_LOCK table_events_stages_current::m_table_lock; + +PFS_engine_table_share +table_events_stages_current::m_share= +{ + { C_STRING_WITH_LEN("events_stages_current") }, + &pfs_truncatable_acl, + table_events_stages_current::create, + NULL, /* write_row */ + table_events_stages_current::delete_all_rows, + table_events_stages_current::get_row_count, + sizeof(PFS_simple_index), /* ref length */ + &m_table_lock, + { C_STRING_WITH_LEN("CREATE TABLE events_stages_current(" + "THREAD_ID BIGINT unsigned not null," + "EVENT_ID BIGINT unsigned not null," + "END_EVENT_ID BIGINT unsigned," + "EVENT_NAME VARCHAR(128) not null," + "SOURCE VARCHAR(64)," + "TIMER_START BIGINT unsigned," + "TIMER_END BIGINT unsigned," + "TIMER_WAIT BIGINT unsigned," + "WORK_COMPLETED BIGINT unsigned," + "WORK_ESTIMATED BIGINT unsigned," + "NESTING_EVENT_ID BIGINT unsigned," + "NESTING_EVENT_TYPE ENUM('TRANSACTION', 'STATEMENT', 'STAGE', 'WAIT'))") }, + false /* perpetual */ +}; + +THR_LOCK table_events_stages_history::m_table_lock; + +PFS_engine_table_share +table_events_stages_history::m_share= +{ + { C_STRING_WITH_LEN("events_stages_history") }, + &pfs_truncatable_acl, + table_events_stages_history::create, + NULL, /* write_row */ + table_events_stages_history::delete_all_rows, + table_events_stages_history::get_row_count, + sizeof(pos_events_stages_history), /* ref length */ + &m_table_lock, + { C_STRING_WITH_LEN("CREATE TABLE events_stages_history(" + "THREAD_ID BIGINT unsigned not null," + "EVENT_ID BIGINT unsigned not null," + "END_EVENT_ID BIGINT unsigned," + "EVENT_NAME VARCHAR(128) not null," + "SOURCE VARCHAR(64)," + "TIMER_START BIGINT unsigned," + "TIMER_END BIGINT unsigned," + "TIMER_WAIT BIGINT unsigned," + "WORK_COMPLETED BIGINT unsigned," + "WORK_ESTIMATED BIGINT unsigned," + "NESTING_EVENT_ID BIGINT unsigned," + "NESTING_EVENT_TYPE ENUM('TRANSACTION', 'STATEMENT', 'STAGE', 'WAIT'))") }, + false /* perpetual */ +}; + +THR_LOCK table_events_stages_history_long::m_table_lock; + +PFS_engine_table_share +table_events_stages_history_long::m_share= +{ + { C_STRING_WITH_LEN("events_stages_history_long") }, + &pfs_truncatable_acl, + table_events_stages_history_long::create, + NULL, /* write_row */ + table_events_stages_history_long::delete_all_rows, + table_events_stages_history_long::get_row_count, + sizeof(PFS_simple_index), /* ref length */ + &m_table_lock, + { C_STRING_WITH_LEN("CREATE TABLE events_stages_history_long(" + "THREAD_ID BIGINT unsigned not null," + "EVENT_ID BIGINT unsigned not null," + "END_EVENT_ID BIGINT unsigned," + "EVENT_NAME VARCHAR(128) not null," + "SOURCE VARCHAR(64)," + "TIMER_START BIGINT unsigned," + "TIMER_END BIGINT unsigned," + "TIMER_WAIT BIGINT unsigned," + "WORK_COMPLETED BIGINT unsigned," + "WORK_ESTIMATED BIGINT unsigned," + "NESTING_EVENT_ID BIGINT unsigned," + "NESTING_EVENT_TYPE ENUM('TRANSACTION', 'STATEMENT', 'STAGE', 'WAIT'))") }, + false /* perpetual */ +}; + +table_events_stages_common::table_events_stages_common +(const PFS_engine_table_share *share, void *pos) + : PFS_engine_table(share, pos), + m_row_exists(false) +{} + +/** + Build a row. + @param stage the stage the cursor is reading +*/ +void table_events_stages_common::make_row(PFS_events_stages *stage) +{ + ulonglong timer_end; + + m_row_exists= false; + + PFS_stage_class *unsafe= (PFS_stage_class*) stage->m_class; + PFS_stage_class *klass= sanitize_stage_class(unsafe); + if (unlikely(klass == NULL)) + return; + + m_row.m_thread_internal_id= stage->m_thread_internal_id; + m_row.m_event_id= stage->m_event_id; + m_row.m_end_event_id= stage->m_end_event_id; + m_row.m_nesting_event_id= stage->m_nesting_event_id; + m_row.m_nesting_event_type= stage->m_nesting_event_type; + + if (m_row.m_end_event_id == 0) + { + timer_end= get_timer_raw_value(stage_timer); + } + else + { + timer_end= stage->m_timer_end; + } + + m_normalizer->to_pico(stage->m_timer_start, timer_end, + & m_row.m_timer_start, & m_row.m_timer_end, & m_row.m_timer_wait); + + m_row.m_name= klass->m_name; + m_row.m_name_length= klass->m_name_length; + + /* Disable source file and line to avoid stale __FILE__ pointers. */ + m_row.m_source_length= 0; + + if (klass->is_progress()) + { + m_row.m_progress= true; + m_row.m_work_completed= stage->m_progress.m_work_completed; + m_row.m_work_estimated= stage->m_progress.m_work_estimated; + } + else + { + m_row.m_progress= false; + } + + m_row_exists= true; + return; +} + +int table_events_stages_common::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 */ + DBUG_ASSERT(table->s->null_bytes == 2); + buf[0]= 0; + buf[1]= 0; + + for (; (f= *fields) ; fields++) + { + if (read_all || bitmap_is_set(table->read_set, f->field_index)) + { + switch(f->field_index) + { + case 0: /* THREAD_ID */ + set_field_ulonglong(f, m_row.m_thread_internal_id); + break; + case 1: /* EVENT_ID */ + set_field_ulonglong(f, m_row.m_event_id); + break; + case 2: /* END_EVENT_ID */ + if (m_row.m_end_event_id > 0) + set_field_ulonglong(f, m_row.m_end_event_id - 1); + else + f->set_null(); + break; + case 3: /* EVENT_NAME */ + set_field_varchar_utf8(f, m_row.m_name, m_row.m_name_length); + break; + case 4: /* SOURCE */ + set_field_varchar_utf8(f, m_row.m_source, m_row.m_source_length); + break; + case 5: /* TIMER_START */ + if (m_row.m_timer_start != 0) + set_field_ulonglong(f, m_row.m_timer_start); + else + f->set_null(); + break; + case 6: /* TIMER_END */ + if (m_row.m_timer_end != 0) + set_field_ulonglong(f, m_row.m_timer_end); + else + f->set_null(); + break; + case 7: /* TIMER_WAIT */ + if (m_row.m_timer_wait != 0) + set_field_ulonglong(f, m_row.m_timer_wait); + else + f->set_null(); + break; + case 8: /* WORK_COMPLETED */ + if (m_row.m_progress) + set_field_ulonglong(f, m_row.m_work_completed); + else + f->set_null(); + break; + case 9: /* WORK_ESTIMATED */ + if (m_row.m_progress) + set_field_ulonglong(f, m_row.m_work_estimated); + else + f->set_null(); + break; + case 10: /* NESTING_EVENT_ID */ + if (m_row.m_nesting_event_id != 0) + set_field_ulonglong(f, m_row.m_nesting_event_id); + else + f->set_null(); + break; + case 11: /* NESTING_EVENT_TYPE */ + if (m_row.m_nesting_event_id != 0) + set_field_enum(f, m_row.m_nesting_event_type); + else + f->set_null(); + break; + default: + DBUG_ASSERT(false); + } + } + } + return 0; +} + +PFS_engine_table* table_events_stages_current::create(void) +{ + return new table_events_stages_current(); +} + +table_events_stages_current::table_events_stages_current() + : table_events_stages_common(&m_share, &m_pos), + m_pos(0), m_next_pos(0) +{} + +void table_events_stages_current::reset_position(void) +{ + m_pos.m_index= 0; + m_next_pos.m_index= 0; +} + +int table_events_stages_current::rnd_init(bool scan) +{ + m_normalizer= time_normalizer::get(stage_timer); + return 0; +} + +int table_events_stages_current::rnd_next(void) +{ + PFS_thread *pfs_thread; + PFS_events_stages *stage; + + m_pos.set_at(&m_next_pos); + PFS_thread_iterator it= global_thread_container.iterate(m_pos.m_index); + pfs_thread= it.scan_next(& m_pos.m_index); + if (pfs_thread != NULL) + { + stage= &pfs_thread->m_stage_current; + make_row(stage); + m_next_pos.set_after(&m_pos); + return 0; + } + + return HA_ERR_END_OF_FILE; +} + +int table_events_stages_current::rnd_pos(const void *pos) +{ + PFS_thread *pfs_thread; + PFS_events_stages *stage; + + set_position(pos); + + pfs_thread= global_thread_container.get(m_pos.m_index); + if (pfs_thread != NULL) + { + stage= &pfs_thread->m_stage_current; + make_row(stage); + return 0; + } + + return HA_ERR_RECORD_DELETED; +} + +int table_events_stages_current::delete_all_rows(void) +{ + reset_events_stages_current(); + return 0; +} + +ha_rows +table_events_stages_current::get_row_count(void) +{ + return global_thread_container.get_row_count(); +} + +PFS_engine_table* table_events_stages_history::create(void) +{ + return new table_events_stages_history(); +} + +table_events_stages_history::table_events_stages_history() + : table_events_stages_common(&m_share, &m_pos), + m_pos(), m_next_pos() +{} + +void table_events_stages_history::reset_position(void) +{ + m_pos.reset(); + m_next_pos.reset(); +} + +int table_events_stages_history::rnd_init(bool scan) +{ + m_normalizer= time_normalizer::get(stage_timer); + return 0; +} + +int table_events_stages_history::rnd_next(void) +{ + PFS_thread *pfs_thread; + PFS_events_stages *stage; + bool has_more_thread= true; + + if (events_stages_history_per_thread == 0) + return HA_ERR_END_OF_FILE; + + for (m_pos.set_at(&m_next_pos); + has_more_thread; + m_pos.next_thread()) + { + pfs_thread= global_thread_container.get(m_pos.m_index_1, & has_more_thread); + if (pfs_thread != NULL) + { + if (m_pos.m_index_2 >= events_stages_history_per_thread) + { + /* This thread does not have more (full) history */ + continue; + } + + if ( ! pfs_thread->m_stages_history_full && + (m_pos.m_index_2 >= pfs_thread->m_stages_history_index)) + { + /* This thread does not have more (not full) history */ + continue; + } + + stage= &pfs_thread->m_stages_history[m_pos.m_index_2]; + + if (stage->m_class != NULL) + { + make_row(stage); + /* Next iteration, look for the next history in this thread */ + m_next_pos.set_after(&m_pos); + return 0; + } + } + } + + return HA_ERR_END_OF_FILE; +} + +int table_events_stages_history::rnd_pos(const void *pos) +{ + PFS_thread *pfs_thread; + PFS_events_stages *stage; + + DBUG_ASSERT(events_stages_history_per_thread != 0); + set_position(pos); + + DBUG_ASSERT(m_pos.m_index_2 < events_stages_history_per_thread); + + pfs_thread= global_thread_container.get(m_pos.m_index_1); + if (pfs_thread != NULL) + { + if ( ! pfs_thread->m_stages_history_full && + (m_pos.m_index_2 >= pfs_thread->m_stages_history_index)) + return HA_ERR_RECORD_DELETED; + + stage= &pfs_thread->m_stages_history[m_pos.m_index_2]; + + if (stage->m_class != NULL) + { + make_row(stage); + return 0; + } + } + + return HA_ERR_RECORD_DELETED; +} + +int table_events_stages_history::delete_all_rows(void) +{ + reset_events_stages_history(); + return 0; +} + +ha_rows +table_events_stages_history::get_row_count(void) +{ + return events_stages_history_per_thread * global_thread_container.get_row_count(); +} + +PFS_engine_table* table_events_stages_history_long::create(void) +{ + return new table_events_stages_history_long(); +} + +table_events_stages_history_long::table_events_stages_history_long() + : table_events_stages_common(&m_share, &m_pos), + m_pos(0), m_next_pos(0) +{} + +void table_events_stages_history_long::reset_position(void) +{ + m_pos.m_index= 0; + m_next_pos.m_index= 0; +} + +int table_events_stages_history_long::rnd_init(bool scan) +{ + m_normalizer= time_normalizer::get(stage_timer); + return 0; +} + +int table_events_stages_history_long::rnd_next(void) +{ + PFS_events_stages *stage; + uint limit; + + if (events_stages_history_long_size == 0) + return HA_ERR_END_OF_FILE; + + if (events_stages_history_long_full) + limit= events_stages_history_long_size; + else + limit= events_stages_history_long_index.m_u32 % events_stages_history_long_size; + + for (m_pos.set_at(&m_next_pos); m_pos.m_index < limit; m_pos.next()) + { + stage= &events_stages_history_long_array[m_pos.m_index]; + + if (stage->m_class != NULL) + { + make_row(stage); + /* Next iteration, look for the next entry */ + m_next_pos.set_after(&m_pos); + return 0; + } + } + + return HA_ERR_END_OF_FILE; +} + +int table_events_stages_history_long::rnd_pos(const void *pos) +{ + PFS_events_stages *stage; + uint limit; + + if (events_stages_history_long_size == 0) + return HA_ERR_RECORD_DELETED; + + set_position(pos); + + if (events_stages_history_long_full) + limit= events_stages_history_long_size; + else + limit= events_stages_history_long_index.m_u32 % events_stages_history_long_size; + + if (m_pos.m_index > limit) + return HA_ERR_RECORD_DELETED; + + stage= &events_stages_history_long_array[m_pos.m_index]; + + if (stage->m_class == NULL) + return HA_ERR_RECORD_DELETED; + + make_row(stage); + return 0; +} + +int table_events_stages_history_long::delete_all_rows(void) +{ + reset_events_stages_history_long(); + return 0; +} + +ha_rows +table_events_stages_history_long::get_row_count(void) +{ + return events_stages_history_long_size; +} + |