From a175314c3e5827eb193872241446f2f8f5c9d33c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:07:14 +0200 Subject: Adding upstream version 1:10.5.12. Signed-off-by: Daniel Baumann --- .../perfschema/table_mems_by_host_by_event_name.cc | 221 +++++++++++++++++++++ 1 file changed, 221 insertions(+) create mode 100644 storage/perfschema/table_mems_by_host_by_event_name.cc (limited to 'storage/perfschema/table_mems_by_host_by_event_name.cc') diff --git a/storage/perfschema/table_mems_by_host_by_event_name.cc b/storage/perfschema/table_mems_by_host_by_event_name.cc new file mode 100644 index 00000000..0921dfa4 --- /dev/null +++ b/storage/perfschema/table_mems_by_host_by_event_name.cc @@ -0,0 +1,221 @@ +/* Copyright (c) 2011, 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, Suite 500, Boston, MA 02110-1335 USA */ + +/** + @file storage/perfschema/table_mems_by_host_by_event_name.cc + Table MEMORY_SUMMARY_BY_HOST_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_mems_by_host_by_event_name.h" +#include "pfs_global.h" +#include "pfs_visitor.h" +#include "pfs_memory.h" +#include "pfs_buffer_container.h" +#include "field.h" + +THR_LOCK table_mems_by_host_by_event_name::m_table_lock; + +PFS_engine_table_share +table_mems_by_host_by_event_name::m_share= +{ + { C_STRING_WITH_LEN("memory_summary_by_host_by_event_name") }, + &pfs_readonly_acl, + table_mems_by_host_by_event_name::create, + NULL, /* write_row */ + table_mems_by_host_by_event_name::delete_all_rows, + table_mems_by_host_by_event_name::get_row_count, + sizeof(PFS_simple_index), + &m_table_lock, + { C_STRING_WITH_LEN("CREATE TABLE memory_summary_by_host_by_event_name(" + "HOST CHAR(60) collate utf8_bin default null," + "EVENT_NAME VARCHAR(128) not null," + "COUNT_ALLOC BIGINT unsigned not null," + "COUNT_FREE BIGINT unsigned not null," + "SUM_NUMBER_OF_BYTES_ALLOC BIGINT unsigned not null," + "SUM_NUMBER_OF_BYTES_FREE BIGINT unsigned not null," + "LOW_COUNT_USED BIGINT not null," + "CURRENT_COUNT_USED BIGINT not null," + "HIGH_COUNT_USED BIGINT not null," + "LOW_NUMBER_OF_BYTES_USED BIGINT not null," + "CURRENT_NUMBER_OF_BYTES_USED BIGINT not null," + "HIGH_NUMBER_OF_BYTES_USED BIGINT not null)")}, + false /* perpetual */ +}; + +PFS_engine_table* table_mems_by_host_by_event_name::create(void) +{ + return new table_mems_by_host_by_event_name(); +} + +int +table_mems_by_host_by_event_name::delete_all_rows(void) +{ + reset_memory_by_thread(); + reset_memory_by_account(); + reset_memory_by_host(); + return 0; +} + +ha_rows +table_mems_by_host_by_event_name::get_row_count(void) +{ + return global_host_container.get_row_count() * memory_class_max; +} + +table_mems_by_host_by_event_name::table_mems_by_host_by_event_name() + : PFS_engine_table(&m_share, &m_pos), + m_row_exists(false), m_pos(), m_next_pos() +{} + +void table_mems_by_host_by_event_name::reset_position(void) +{ + m_pos.reset(); + m_next_pos.reset(); +} + +int table_mems_by_host_by_event_name::rnd_next(void) +{ + PFS_host *host; + PFS_memory_class *memory_class; + bool has_more_host= true; + + for (m_pos.set_at(&m_next_pos); + has_more_host; + m_pos.next_host()) + { + host= global_host_container.get(m_pos.m_index_1, & has_more_host); + if (host != NULL) + { + do + { + memory_class= find_memory_class(m_pos.m_index_2); + if (memory_class != NULL) + { + if (! memory_class->is_global()) + { + make_row(host, memory_class); + m_next_pos.set_after(&m_pos); + return 0; + } + + m_pos.next_class(); + } + } + while (memory_class != NULL); + } + } + + return HA_ERR_END_OF_FILE; +} + +int table_mems_by_host_by_event_name::rnd_pos(const void *pos) +{ + PFS_host *host; + PFS_memory_class *memory_class; + + set_position(pos); + + host= global_host_container.get(m_pos.m_index_1); + if (host != NULL) + { + memory_class= find_memory_class(m_pos.m_index_2); + if (memory_class != NULL) + { + if (! memory_class->is_global()) + { + make_row(host, memory_class); + return 0; + } + } + } + + return HA_ERR_RECORD_DELETED; +} + +void table_mems_by_host_by_event_name +::make_row(PFS_host *host, PFS_memory_class *klass) +{ + pfs_optimistic_state lock; + m_row_exists= false; + + host->m_lock.begin_optimistic_lock(&lock); + + if (m_row.m_host.make_row(host)) + return; + + m_row.m_event_name.make_row(klass); + + PFS_connection_memory_visitor visitor(klass); + PFS_connection_iterator::visit_host(host, + true, /* accounts */ + true, /* threads */ + false, /* THDs */ + & visitor); + + if (! host->m_lock.end_optimistic_lock(&lock)) + return; + + m_row_exists= true; + m_row.m_stat.set(& visitor.m_stat); +} + +int table_mems_by_host_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: /* HOST */ + m_row.m_host.set_field(f); + break; + case 1: /* EVENT_NAME */ + m_row.m_event_name.set_field(f); + break; + default: /* 2, ... HIGH_NUMBER_OF_BYTES_USED */ + m_row.m_stat.set_field(f->field_index - 2, f); + break; + } + } + } + + return 0; +} + -- cgit v1.2.3