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Diffstat (limited to 'storage/perfschema/table_ews_by_account_by_event_name.cc')
-rw-r--r--storage/perfschema/table_ews_by_account_by_event_name.cc288
1 files changed, 288 insertions, 0 deletions
diff --git a/storage/perfschema/table_ews_by_account_by_event_name.cc b/storage/perfschema/table_ews_by_account_by_event_name.cc
new file mode 100644
index 00000000000..992e7c18f17
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+++ b/storage/perfschema/table_ews_by_account_by_event_name.cc
@@ -0,0 +1,288 @@
+/* Copyright (c) 2010, 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 as published by
+ the Free Software Foundation; version 2 of the License.
+
+ 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+/**
+ @file storage/perfschema/table_ews_by_account_by_event_name.cc
+ Table EVENTS_WAITS_SUMMARY_BY_ACCOUNT_BY_EVENT_NAME (implementation).
+*/
+
+#include "my_global.h"
+#include "my_pthread.h"
+#include "pfs_instr_class.h"
+#include "pfs_column_types.h"
+#include "pfs_column_values.h"
+#include "table_ews_by_account_by_event_name.h"
+#include "pfs_global.h"
+#include "pfs_visitor.h"
+
+THR_LOCK table_ews_by_account_by_event_name::m_table_lock;
+
+static const TABLE_FIELD_TYPE field_types[]=
+{
+ {
+ { C_STRING_WITH_LEN("USER") },
+ { C_STRING_WITH_LEN("char(16)") },
+ { NULL, 0}
+ },
+ {
+ { C_STRING_WITH_LEN("HOST") },
+ { C_STRING_WITH_LEN("char(60)") },
+ { NULL, 0}
+ },
+ {
+ { C_STRING_WITH_LEN("EVENT_NAME") },
+ { C_STRING_WITH_LEN("varchar(128)") },
+ { NULL, 0}
+ },
+ {
+ { C_STRING_WITH_LEN("COUNT_STAR") },
+ { C_STRING_WITH_LEN("bigint(20)") },
+ { NULL, 0}
+ },
+ {
+ { C_STRING_WITH_LEN("SUM_TIMER_WAIT") },
+ { C_STRING_WITH_LEN("bigint(20)") },
+ { NULL, 0}
+ },
+ {
+ { C_STRING_WITH_LEN("MIN_TIMER_WAIT") },
+ { C_STRING_WITH_LEN("bigint(20)") },
+ { NULL, 0}
+ },
+ {
+ { C_STRING_WITH_LEN("AVG_TIMER_WAIT") },
+ { C_STRING_WITH_LEN("bigint(20)") },
+ { NULL, 0}
+ },
+ {
+ { C_STRING_WITH_LEN("MAX_TIMER_WAIT") },
+ { C_STRING_WITH_LEN("bigint(20)") },
+ { NULL, 0}
+ }
+};
+
+TABLE_FIELD_DEF
+table_ews_by_account_by_event_name::m_field_def=
+{ 8, field_types };
+
+PFS_engine_table_share
+table_ews_by_account_by_event_name::m_share=
+{
+ { C_STRING_WITH_LEN("events_waits_summary_by_account_by_event_name") },
+ &pfs_truncatable_acl,
+ table_ews_by_account_by_event_name::create,
+ NULL, /* write_row */
+ table_ews_by_account_by_event_name::delete_all_rows,
+ NULL, /* get_row_count */
+ 1000, /* records */
+ sizeof(pos_ews_by_account_by_event_name),
+ &m_table_lock,
+ &m_field_def,
+ false /* checked */
+};
+
+PFS_engine_table*
+table_ews_by_account_by_event_name::create(void)
+{
+ return new table_ews_by_account_by_event_name();
+}
+
+int
+table_ews_by_account_by_event_name::delete_all_rows(void)
+{
+ reset_events_waits_by_thread();
+ reset_events_waits_by_account();
+ return 0;
+}
+
+table_ews_by_account_by_event_name::table_ews_by_account_by_event_name()
+ : PFS_engine_table(&m_share, &m_pos),
+ m_row_exists(false), m_pos(), m_next_pos()
+{}
+
+void table_ews_by_account_by_event_name::reset_position(void)
+{
+ m_pos.reset();
+ m_next_pos.reset();
+}
+
+int table_ews_by_account_by_event_name::rnd_next(void)
+{
+ PFS_account *account;
+ PFS_instr_class *instr_class;
+
+ for (m_pos.set_at(&m_next_pos);
+ m_pos.has_more_account();
+ m_pos.next_account())
+ {
+ account= &account_array[m_pos.m_index_1];
+ if (account->m_lock.is_populated())
+ {
+ for ( ;
+ m_pos.has_more_view();
+ m_pos.next_view())
+ {
+ switch (m_pos.m_index_2)
+ {
+ case pos_ews_by_account_by_event_name::VIEW_MUTEX:
+ instr_class= find_mutex_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_RWLOCK:
+ instr_class= find_rwlock_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_COND:
+ instr_class= find_cond_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_FILE:
+ instr_class= find_file_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_TABLE:
+ instr_class= find_table_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_SOCKET:
+ instr_class= find_socket_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_IDLE:
+ instr_class= find_idle_class(m_pos.m_index_3);
+ break;
+ default:
+ instr_class= NULL;
+ DBUG_ASSERT(false);
+ break;
+ }
+
+ if (instr_class)
+ {
+ make_row(account, instr_class);
+ m_next_pos.set_after(&m_pos);
+ return 0;
+ }
+ }
+ }
+ }
+
+ return HA_ERR_END_OF_FILE;
+}
+
+int
+table_ews_by_account_by_event_name::rnd_pos(const void *pos)
+{
+ PFS_account *account;
+ PFS_instr_class *instr_class;
+
+ set_position(pos);
+ DBUG_ASSERT(m_pos.m_index_1 < account_max);
+
+ account= &account_array[m_pos.m_index_1];
+ if (! account->m_lock.is_populated())
+ return HA_ERR_RECORD_DELETED;
+
+ switch (m_pos.m_index_2)
+ {
+ case pos_ews_by_account_by_event_name::VIEW_MUTEX:
+ instr_class= find_mutex_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_RWLOCK:
+ instr_class= find_rwlock_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_COND:
+ instr_class= find_cond_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_FILE:
+ instr_class= find_file_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_TABLE:
+ instr_class= find_table_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_SOCKET:
+ instr_class= find_socket_class(m_pos.m_index_3);
+ break;
+ case pos_ews_by_account_by_event_name::VIEW_IDLE:
+ instr_class= find_idle_class(m_pos.m_index_3);
+ break;
+ default:
+ instr_class= NULL;
+ DBUG_ASSERT(false);
+ }
+ if (instr_class)
+ {
+ make_row(account, instr_class);
+ return 0;
+ }
+
+ return HA_ERR_RECORD_DELETED;
+}
+
+void table_ews_by_account_by_event_name
+::make_row(PFS_account *account, PFS_instr_class *klass)
+{
+ pfs_lock lock;
+ m_row_exists= false;
+
+ account->m_lock.begin_optimistic_lock(&lock);
+
+ if (m_row.m_account.make_row(account))
+ return;
+
+ m_row.m_event_name.make_row(klass);
+
+ PFS_connection_wait_visitor visitor(klass);
+ PFS_connection_iterator::visit_account(account, true, & visitor);
+
+ if (! account->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_account_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 */
+ case 1: /* HOST */
+ m_row.m_account.set_field(f->field_index, f);
+ break;
+ case 2: /* EVENT_NAME */
+ m_row.m_event_name.set_field(f);
+ break;
+ default: /* 3, ... COUNT/SUM/MIN/AVG/MAX */
+ m_row.m_stat.set_field(f->field_index - 3, f);
+ break;
+ }
+ }
+ }
+
+ return 0;
+}
+