diff options
Diffstat (limited to 'storage/perfschema/table_ews_by_user_by_event_name.cc')
| -rw-r--r-- | storage/perfschema/table_ews_by_user_by_event_name.cc | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/storage/perfschema/table_ews_by_user_by_event_name.cc b/storage/perfschema/table_ews_by_user_by_event_name.cc new file mode 100644 index 00000000..5425d773 --- /dev/null +++ b/storage/perfschema/table_ews_by_user_by_event_name.cc @@ -0,0 +1,272 @@ +/* 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +/** + @file storage/perfschema/table_ews_by_user_by_event_name.cc + Table EVENTS_WAITS_SUMMARY_BY_USER_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_by_user_by_event_name.h" +#include "pfs_global.h" +#include "pfs_visitor.h" +#include "pfs_buffer_container.h" +#include "field.h" + +THR_LOCK table_ews_by_user_by_event_name::m_table_lock; + +PFS_engine_table_share +table_ews_by_user_by_event_name::m_share= +{ + { C_STRING_WITH_LEN("events_waits_summary_by_user_by_event_name") }, + &pfs_truncatable_acl, + table_ews_by_user_by_event_name::create, + NULL, /* write_row */ + table_ews_by_user_by_event_name::delete_all_rows, + table_ews_by_user_by_event_name::get_row_count, + sizeof(pos_ews_by_user_by_event_name), + &m_table_lock, + { C_STRING_WITH_LEN("CREATE TABLE events_waits_summary_by_user_by_event_name(" + "USER CHAR(" USERNAME_CHAR_LENGTH_STR ") collate utf8_bin default null," + "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_by_user_by_event_name::create(void) +{ + return new table_ews_by_user_by_event_name(); +} + +int +table_ews_by_user_by_event_name::delete_all_rows(void) +{ + reset_events_waits_by_thread(); + reset_events_waits_by_account(); + reset_events_waits_by_user(); + return 0; +} + +ha_rows +table_ews_by_user_by_event_name::get_row_count(void) +{ + return global_user_container.get_row_count() * wait_class_max; +} + +table_ews_by_user_by_event_name::table_ews_by_user_by_event_name() + : PFS_engine_table(&m_share, &m_pos), + m_row_exists(false), m_pos(), m_next_pos() +{} + +void table_ews_by_user_by_event_name::reset_position(void) +{ + m_pos.reset(); + m_next_pos.reset(); +} + +int table_ews_by_user_by_event_name::rnd_next(void) +{ + PFS_user *user; + PFS_instr_class *instr_class; + bool has_more_user= true; + + for (m_pos.set_at(&m_next_pos); + has_more_user; + m_pos.next_user()) + { + user= global_user_container.get(m_pos.m_index_1, & has_more_user); + if (user != NULL) + { + for ( ; + m_pos.has_more_view(); + m_pos.next_view()) + { + switch (m_pos.m_index_2) + { + case pos_ews_by_user_by_event_name::VIEW_MUTEX: + instr_class= find_mutex_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_RWLOCK: + instr_class= find_rwlock_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_COND: + instr_class= find_cond_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_FILE: + instr_class= find_file_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_TABLE: + instr_class= find_table_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_SOCKET: + instr_class= find_socket_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_IDLE: + instr_class= find_idle_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_METADATA: + instr_class= find_metadata_class(m_pos.m_index_3); + break; + default: + instr_class= NULL; + DBUG_ASSERT(false); + break; + } + + if (instr_class) + { + make_row(user, instr_class); + m_next_pos.set_after(&m_pos); + return 0; + } + } + } + } + + return HA_ERR_END_OF_FILE; +} + +int +table_ews_by_user_by_event_name::rnd_pos(const void *pos) +{ + PFS_user *user; + PFS_instr_class *instr_class; + + set_position(pos); + + user= global_user_container.get(m_pos.m_index_1); + if (user == NULL) + return HA_ERR_RECORD_DELETED; + + switch (m_pos.m_index_2) + { + case pos_ews_by_user_by_event_name::VIEW_MUTEX: + instr_class= find_mutex_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_RWLOCK: + instr_class= find_rwlock_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_COND: + instr_class= find_cond_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_FILE: + instr_class= find_file_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_TABLE: + instr_class= find_table_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_SOCKET: + instr_class= find_socket_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_IDLE: + instr_class= find_idle_class(m_pos.m_index_3); + break; + case pos_ews_by_user_by_event_name::VIEW_METADATA: + instr_class= find_metadata_class(m_pos.m_index_3); + break; + default: + instr_class= NULL; + DBUG_ASSERT(false); + break; + } + if (instr_class) + { + make_row(user, instr_class); + return 0; + } + + return HA_ERR_RECORD_DELETED; +} + +void table_ews_by_user_by_event_name +::make_row(PFS_user *user, PFS_instr_class *klass) +{ + pfs_optimistic_state lock; + m_row_exists= false; + + user->m_lock.begin_optimistic_lock(&lock); + + if (m_row.m_user.make_row(user)) + return; + + m_row.m_event_name.make_row(klass); + + PFS_connection_wait_visitor visitor(klass); + PFS_connection_iterator::visit_user(user, + true, /* accounts */ + true, /* threads */ + false, /* THDs */ + & visitor); + + if (! user->m_lock.end_optimistic_lock(&lock)) + return; + + m_row_exists= true; + + get_normalizer(klass); + m_row.m_stat.set(m_normalizer, &visitor.m_stat); +} + +int table_ews_by_user_by_event_name +::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 == 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: /* USER */ + m_row.m_user.set_field(f); + break; + case 1: /* EVENT_NAME */ + m_row.m_event_name.set_field(f); + break; + default: /* 2, ... COUNT/SUM/MIN/AVG/MAX */ + m_row.m_stat.set_field(f->field_index - 2, f); + break; + } + } + } + + return 0; +} + |