diff options
Diffstat (limited to 'storage/perfschema/table_ews_global_by_event_name.cc')
| -rw-r--r-- | storage/perfschema/table_ews_global_by_event_name.cc | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/storage/perfschema/table_ews_global_by_event_name.cc b/storage/perfschema/table_ews_global_by_event_name.cc new file mode 100644 index 00000000..13839ddb --- /dev/null +++ b/storage/perfschema/table_ews_global_by_event_name.cc @@ -0,0 +1,437 @@ +/* Copyright (c) 2010, 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, Fifth Floor, Boston, MA 02110-1335 USA */ + +/** + @file storage/perfschema/table_ews_global_by_event_name.cc + Table EVENTS_WAITS_SUMMARY_GLOBAL_BY_EVENT_NAME (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 "table_ews_global_by_event_name.h" +#include "pfs_global.h" +#include "pfs_instr.h" +#include "pfs_timer.h" +#include "pfs_visitor.h" +#include "field.h" + +THR_LOCK table_ews_global_by_event_name::m_table_lock; + +PFS_engine_table_share +table_ews_global_by_event_name::m_share= +{ + { C_STRING_WITH_LEN("events_waits_summary_global_by_event_name") }, + &pfs_truncatable_acl, + table_ews_global_by_event_name::create, + NULL, /* write_row */ + table_ews_global_by_event_name::delete_all_rows, + table_ews_global_by_event_name::get_row_count, + sizeof(pos_ews_global_by_event_name), + &m_table_lock, + { C_STRING_WITH_LEN("CREATE TABLE events_waits_summary_global_by_event_name(" + "EVENT_NAME VARCHAR(128) not null," + "COUNT_STAR BIGINT unsigned not null," + "SUM_TIMER_WAIT BIGINT unsigned not null," + "MIN_TIMER_WAIT BIGINT unsigned not null," + "AVG_TIMER_WAIT BIGINT unsigned not null," + "MAX_TIMER_WAIT BIGINT unsigned not null)") }, + false /* perpetual */ +}; + +PFS_engine_table* +table_ews_global_by_event_name::create(void) +{ + return new table_ews_global_by_event_name(); +} + +int +table_ews_global_by_event_name::delete_all_rows(void) +{ + reset_events_waits_by_instance(); + reset_table_waits_by_table_handle(); + reset_table_waits_by_table(); + reset_events_waits_by_class(); + return 0; +} + +ha_rows +table_ews_global_by_event_name::get_row_count(void) +{ + return wait_class_max; +} + +table_ews_global_by_event_name::table_ews_global_by_event_name() + : PFS_engine_table(&m_share, &m_pos), + m_row_exists(false), m_pos(), m_next_pos() +{} + +void table_ews_global_by_event_name::reset_position(void) +{ + m_pos.reset(); + m_next_pos.reset(); +} + +int table_ews_global_by_event_name::rnd_next(void) +{ + PFS_mutex_class *mutex_class; + PFS_rwlock_class *rwlock_class; + PFS_cond_class *cond_class; + PFS_file_class *file_class; + PFS_socket_class *socket_class; + PFS_instr_class *instr_class; + + for (m_pos.set_at(&m_next_pos); + m_pos.has_more_view(); + m_pos.next_view()) + { + switch (m_pos.m_index_1) + { + case pos_ews_global_by_event_name::VIEW_MUTEX: + mutex_class= find_mutex_class(m_pos.m_index_2); + if (mutex_class) + { + make_mutex_row(mutex_class); + m_next_pos.set_after(&m_pos); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_RWLOCK: + rwlock_class= find_rwlock_class(m_pos.m_index_2); + if (rwlock_class) + { + make_rwlock_row(rwlock_class); + m_next_pos.set_after(&m_pos); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_COND: + cond_class= find_cond_class(m_pos.m_index_2); + if (cond_class) + { + make_cond_row(cond_class); + m_next_pos.set_after(&m_pos); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_FILE: + file_class= find_file_class(m_pos.m_index_2); + if (file_class) + { + make_file_row(file_class); + m_next_pos.set_after(&m_pos); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_TABLE: + if (m_pos.m_index_2 == 1) + { + make_table_io_row(&global_table_io_class); + m_next_pos.set_after(&m_pos); + return 0; + } + if (m_pos.m_index_2 == 2) + { + make_table_lock_row(&global_table_lock_class); + m_next_pos.set_after(&m_pos); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_SOCKET: + socket_class= find_socket_class(m_pos.m_index_2); + if (socket_class) + { + make_socket_row(socket_class); + m_next_pos.set_after(&m_pos); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_IDLE: + instr_class= find_idle_class(m_pos.m_index_2); + if (instr_class) + { + make_idle_row(instr_class); + m_next_pos.set_after(&m_pos); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_METADATA: + instr_class= find_metadata_class(m_pos.m_index_2); + if (instr_class) + { + make_metadata_row(instr_class); + m_next_pos.set_after(&m_pos); + return 0; + } + break; + default: + break; + } + } + + return HA_ERR_END_OF_FILE; +} + +int +table_ews_global_by_event_name::rnd_pos(const void *pos) +{ + PFS_mutex_class *mutex_class; + PFS_rwlock_class *rwlock_class; + PFS_cond_class *cond_class; + PFS_file_class *file_class; + PFS_socket_class *socket_class; + PFS_instr_class *instr_class; + + set_position(pos); + + switch (m_pos.m_index_1) + { + case pos_ews_global_by_event_name::VIEW_MUTEX: + mutex_class= find_mutex_class(m_pos.m_index_2); + if (mutex_class) + { + make_mutex_row(mutex_class); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_RWLOCK: + rwlock_class= find_rwlock_class(m_pos.m_index_2); + if (rwlock_class) + { + make_rwlock_row(rwlock_class); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_COND: + cond_class= find_cond_class(m_pos.m_index_2); + if (cond_class) + { + make_cond_row(cond_class); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_FILE: + file_class= find_file_class(m_pos.m_index_2); + if (file_class) + { + make_file_row(file_class); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_TABLE: + DBUG_ASSERT(m_pos.m_index_2 >= 1); + DBUG_ASSERT(m_pos.m_index_2 <= 2); + if (m_pos.m_index_2 == 1) + make_table_io_row(&global_table_io_class); + else + make_table_lock_row(&global_table_lock_class); + break; + case pos_ews_global_by_event_name::VIEW_SOCKET: + socket_class= find_socket_class(m_pos.m_index_2); + if (socket_class) + { + make_socket_row(socket_class); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_IDLE: + instr_class= find_idle_class(m_pos.m_index_2); + if (instr_class) + { + make_idle_row(instr_class); + return 0; + } + break; + case pos_ews_global_by_event_name::VIEW_METADATA: + instr_class= find_metadata_class(m_pos.m_index_2); + if (instr_class) + { + make_metadata_row(instr_class); + return 0; + } + break; + default: + DBUG_ASSERT(false); + break; + } + + return HA_ERR_RECORD_DELETED; +} + +void table_ews_global_by_event_name +::make_mutex_row(PFS_mutex_class *klass) +{ + m_row.m_event_name.make_row(klass); + + PFS_instance_wait_visitor visitor; + PFS_instance_iterator::visit_mutex_instances(klass, & visitor); + + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, & visitor.m_stat); + m_row_exists= true; +} + +void table_ews_global_by_event_name +::make_rwlock_row(PFS_rwlock_class *klass) +{ + m_row.m_event_name.make_row(klass); + + PFS_instance_wait_visitor visitor; + PFS_instance_iterator::visit_rwlock_instances(klass, & visitor); + + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, & visitor.m_stat); + m_row_exists= true; +} + +void table_ews_global_by_event_name +::make_cond_row(PFS_cond_class *klass) +{ + m_row.m_event_name.make_row(klass); + + PFS_instance_wait_visitor visitor; + PFS_instance_iterator::visit_cond_instances(klass, & visitor); + + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, & visitor.m_stat); + m_row_exists= true; +} + +void table_ews_global_by_event_name +::make_file_row(PFS_file_class *klass) +{ + m_row.m_event_name.make_row(klass); + + PFS_instance_wait_visitor visitor; + PFS_instance_iterator::visit_file_instances(klass, & visitor); + + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, & visitor.m_stat); + m_row_exists= true; +} + +void table_ews_global_by_event_name +::make_table_io_row(PFS_instr_class *klass) +{ + m_row.m_event_name.make_row(klass); + + PFS_table_io_wait_visitor visitor; + PFS_object_iterator::visit_all_tables(& visitor); + + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, & visitor.m_stat); + m_row_exists= true; +} + +void table_ews_global_by_event_name +::make_table_lock_row(PFS_instr_class *klass) +{ + m_row.m_event_name.make_row(klass); + + PFS_table_lock_wait_visitor visitor; + PFS_object_iterator::visit_all_tables(& visitor); + + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, & visitor.m_stat); + m_row_exists= true; +} + +void table_ews_global_by_event_name +::make_socket_row(PFS_socket_class *klass) +{ + m_row.m_event_name.make_row(klass); + + PFS_instance_wait_visitor visitor; + PFS_instance_iterator::visit_socket_instances(klass, &visitor); + + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, &visitor.m_stat); + m_row_exists= true; +} + +void table_ews_global_by_event_name +::make_idle_row(PFS_instr_class *klass) +{ + m_row.m_event_name.make_row(klass); + + PFS_connection_wait_visitor visitor(klass); + PFS_connection_iterator::visit_global(false, /* hosts */ + false, /* users */ + false, /* accounts */ + true, /* threads */ + false, /* THDs */ + &visitor); + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, &visitor.m_stat); + m_row_exists= true; +} + +void table_ews_global_by_event_name +::make_metadata_row(PFS_instr_class *klass) +{ + m_row.m_event_name.make_row(klass); + + PFS_connection_wait_visitor visitor(klass); + PFS_connection_iterator::visit_global(false, /* hosts */ + true, /* users */ + true, /* accounts */ + true, /* threads */ + false, /* THDs */ + &visitor); + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, &visitor.m_stat); + m_row_exists= true; +} + +int table_ews_global_by_event_name +::read_row_values(TABLE *table, unsigned char *, 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 == 0); + + for (; (f= *fields) ; fields++) + { + if (read_all || bitmap_is_set(table->read_set, f->field_index)) + { + switch(f->field_index) + { + case 0: /* EVENT_NAME */ + m_row.m_event_name.set_field(f); + break; + default: /* 1, ... COUNT/SUM/MIN/AVG/MAX */ + m_row.m_stat.set_field(f->field_index - 1, f); + break; + } + } + } + + return 0; +} + |