516 lines
16 KiB
C++
516 lines
16 KiB
C++
/* Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/**
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@file storage/perfschema/table_setup_instruments.cc
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Table SETUP_INSTRUMENTS (implementation).
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*/
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#include "storage/perfschema/table_setup_instruments.h"
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#include <stddef.h>
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#include "my_dbug.h"
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#include "my_thread.h"
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#include "sql/field.h"
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#include "sql/plugin_table.h"
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#include "sql/table.h"
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#include "storage/perfschema/pfs_builtin_memory.h"
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#include "storage/perfschema/pfs_column_types.h"
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#include "storage/perfschema/pfs_column_values.h"
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#include "storage/perfschema/pfs_global.h"
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#include "storage/perfschema/pfs_instr.h"
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#include "storage/perfschema/pfs_instr_class.h"
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#include "storage/perfschema/pfs_setup_object.h"
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THR_LOCK table_setup_instruments::m_table_lock;
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Plugin_table table_setup_instruments::m_table_def(
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/* Schema name */
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"performance_schema",
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/* Name */
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"setup_instruments",
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/* Definition */
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" NAME VARCHAR(128) not null,\n"
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" ENABLED ENUM ('YES', 'NO') not null,\n"
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" TIMED ENUM ('YES', 'NO'),\n"
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" PROPERTIES SET('singleton', 'progress', 'user', 'global_statistics', "
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"'mutable') not null,\n"
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" VOLATILITY int not null,\n"
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" DOCUMENTATION LONGTEXT,\n"
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" PRIMARY KEY (NAME) USING HASH\n",
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/* Options */
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" ENGINE=PERFORMANCE_SCHEMA",
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/* Tablespace */
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nullptr);
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PFS_engine_table_share table_setup_instruments::m_share = {
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&pfs_updatable_acl,
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table_setup_instruments::create,
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NULL, /* write_row */
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NULL, /* delete_all_rows */
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table_setup_instruments::get_row_count,
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sizeof(pos_setup_instruments),
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&m_table_lock,
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&m_table_def,
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false, /* perpetual */
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PFS_engine_table_proxy(),
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{0},
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false /* m_in_purgatory */
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};
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bool PFS_index_setup_instruments::match_view(uint view) {
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if (m_fields >= 1) {
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return m_key.match_view(view);
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}
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return true;
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}
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bool PFS_index_setup_instruments::match(PFS_instr_class *klass) {
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if (m_fields >= 1) {
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return m_key.match(klass);
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}
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return true;
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}
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PFS_engine_table *table_setup_instruments::create(PFS_engine_table_share *) {
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return new table_setup_instruments();
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}
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ha_rows table_setup_instruments::get_row_count(void) {
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return wait_class_max + stage_class_max + statement_class_max +
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transaction_class_max + memory_class_max + error_class_max;
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}
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table_setup_instruments::table_setup_instruments()
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: PFS_engine_table(&m_share, &m_pos), m_pos(), m_next_pos() {}
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void table_setup_instruments::reset_position(void) {
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m_pos.reset();
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m_next_pos.reset();
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}
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int table_setup_instruments::rnd_next(void) {
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PFS_instr_class *instr_class = NULL;
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PFS_builtin_memory_class *pfs_builtin;
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bool update_enabled;
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/* Do not advertise hard coded instruments when disabled. */
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if (!pfs_initialized) {
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return HA_ERR_END_OF_FILE;
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}
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for (m_pos.set_at(&m_next_pos); m_pos.has_more_view(); m_pos.next_view()) {
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update_enabled = true;
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switch (m_pos.m_index_1) {
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case pos_setup_instruments::VIEW_MUTEX:
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instr_class = find_mutex_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_RWLOCK:
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instr_class = find_rwlock_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_COND:
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instr_class = find_cond_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_FILE:
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instr_class = find_file_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_TABLE:
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instr_class = find_table_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_STAGE:
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instr_class = find_stage_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_STATEMENT:
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instr_class = find_statement_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_TRANSACTION:
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instr_class = find_transaction_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_SOCKET:
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instr_class = find_socket_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_IDLE:
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instr_class = find_idle_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_BUILTIN_MEMORY:
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update_enabled = false;
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pfs_builtin = find_builtin_memory_class(m_pos.m_index_2);
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if (pfs_builtin != NULL) {
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instr_class = &pfs_builtin->m_class;
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} else {
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instr_class = NULL;
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}
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break;
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case pos_setup_instruments::VIEW_MEMORY:
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instr_class = find_memory_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_METADATA:
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instr_class = find_metadata_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_ERROR:
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instr_class = find_error_class(m_pos.m_index_2);
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break;
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}
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if (instr_class) {
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m_next_pos.set_after(&m_pos);
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return make_row(instr_class, update_enabled);
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}
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}
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return HA_ERR_END_OF_FILE;
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}
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int table_setup_instruments::rnd_pos(const void *pos) {
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PFS_instr_class *instr_class = NULL;
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PFS_builtin_memory_class *pfs_builtin;
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bool update_enabled;
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/* Do not advertise hard coded instruments when disabled. */
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if (!pfs_initialized) {
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return HA_ERR_END_OF_FILE;
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}
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set_position(pos);
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update_enabled = true;
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switch (m_pos.m_index_1) {
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case pos_setup_instruments::VIEW_MUTEX:
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instr_class = find_mutex_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_RWLOCK:
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instr_class = find_rwlock_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_COND:
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instr_class = find_cond_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_FILE:
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instr_class = find_file_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_TABLE:
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instr_class = find_table_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_STAGE:
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instr_class = find_stage_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_STATEMENT:
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instr_class = find_statement_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_TRANSACTION:
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instr_class = find_transaction_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_SOCKET:
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instr_class = find_socket_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_IDLE:
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instr_class = find_idle_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_BUILTIN_MEMORY:
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update_enabled = false;
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pfs_builtin = find_builtin_memory_class(m_pos.m_index_2);
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if (pfs_builtin != NULL) {
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instr_class = &pfs_builtin->m_class;
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} else {
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instr_class = NULL;
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}
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break;
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case pos_setup_instruments::VIEW_MEMORY:
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instr_class = find_memory_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_METADATA:
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instr_class = find_metadata_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_ERROR:
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instr_class = find_error_class(m_pos.m_index_2);
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break;
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}
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if (instr_class) {
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return make_row(instr_class, update_enabled);
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}
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return HA_ERR_RECORD_DELETED;
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}
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int table_setup_instruments::index_init(uint idx MY_ATTRIBUTE((unused)), bool) {
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PFS_index_setup_instruments *result;
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DBUG_ASSERT(idx == 0);
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result = PFS_NEW(PFS_index_setup_instruments);
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m_opened_index = result;
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m_index = result;
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return 0;
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}
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int table_setup_instruments::index_next(void) {
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PFS_instr_class *instr_class = NULL;
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PFS_builtin_memory_class *pfs_builtin;
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bool update_enabled;
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/* Do not advertise hard coded instruments when disabled. */
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if (!pfs_initialized) {
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return HA_ERR_END_OF_FILE;
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}
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for (m_pos.set_at(&m_next_pos); m_pos.has_more_view(); m_pos.next_view()) {
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if (!m_opened_index->match_view(m_pos.m_index_1)) {
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continue;
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}
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do {
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update_enabled = true;
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switch (m_pos.m_index_1) {
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case pos_setup_instruments::VIEW_MUTEX:
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instr_class = find_mutex_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_RWLOCK:
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instr_class = find_rwlock_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_COND:
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instr_class = find_cond_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_FILE:
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instr_class = find_file_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_TABLE:
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instr_class = find_table_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_STAGE:
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instr_class = find_stage_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_STATEMENT:
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instr_class = find_statement_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_TRANSACTION:
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instr_class = find_transaction_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_SOCKET:
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instr_class = find_socket_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_IDLE:
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instr_class = find_idle_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_BUILTIN_MEMORY:
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update_enabled = false;
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pfs_builtin = find_builtin_memory_class(m_pos.m_index_2);
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if (pfs_builtin != NULL) {
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instr_class = &pfs_builtin->m_class;
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} else {
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instr_class = NULL;
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}
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break;
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case pos_setup_instruments::VIEW_MEMORY:
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instr_class = find_memory_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_METADATA:
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instr_class = find_metadata_class(m_pos.m_index_2);
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break;
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case pos_setup_instruments::VIEW_ERROR:
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instr_class = find_error_class(m_pos.m_index_2);
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break;
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}
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if (instr_class) {
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if (m_opened_index->match(instr_class)) {
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if (!make_row(instr_class, update_enabled)) {
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m_next_pos.set_after(&m_pos);
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return 0;
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}
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}
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m_pos.m_index_2++;
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}
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} while (instr_class != NULL);
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}
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return HA_ERR_END_OF_FILE;
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}
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int table_setup_instruments::make_row(PFS_instr_class *klass,
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bool update_enabled) {
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m_row.m_instr_class = klass;
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m_row.m_update_enabled = update_enabled;
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m_row.m_update_timed = klass->can_be_timed();
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return 0;
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}
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int table_setup_instruments::read_row_values(TABLE *table, unsigned char *buf,
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Field **fields, bool read_all) {
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Field *f;
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const char *doc;
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uint properties;
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/* Set the null bits */
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DBUG_ASSERT(table->s->null_bytes == 1);
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buf[0] = 0;
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/*
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The row always exist, the instrument classes
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are static and never disappear.
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*/
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for (; (f = *fields); fields++) {
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if (read_all || bitmap_is_set(table->read_set, f->field_index)) {
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switch (f->field_index) {
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case 0: /* NAME */
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set_field_varchar_utf8(f, m_row.m_instr_class->m_name,
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m_row.m_instr_class->m_name_length);
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break;
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case 1: /* ENABLED */
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set_field_enum(f,
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m_row.m_instr_class->m_enabled ? ENUM_YES : ENUM_NO);
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break;
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case 2: /* TIMED */
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if (m_row.m_update_timed) {
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set_field_enum(f,
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m_row.m_instr_class->m_timed ? ENUM_YES : ENUM_NO);
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} else {
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f->set_null();
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}
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break;
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case 3: /* PROPERTIES */
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properties = 0;
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if (m_row.m_instr_class->is_singleton()) {
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properties |= INSTR_PROPERTIES_SET_SINGLETON;
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}
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if (m_row.m_instr_class->is_mutable()) {
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properties |= INSTR_PROPERTIES_SET_MUTABLE;
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}
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if (m_row.m_instr_class->is_progress()) {
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properties |= INSTR_PROPERTIES_SET_PROGRESS;
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}
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if (m_row.m_instr_class->is_user()) {
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properties |= INSTR_PROPERTIES_SET_USER;
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}
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if (m_row.m_instr_class->is_global()) {
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properties |= INSTR_PROPERTIES_SET_GLOBAL_STAT;
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}
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set_field_set(f, properties);
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break;
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case 4: /* VOLATILITY */
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set_field_ulong(f, m_row.m_instr_class->m_volatility);
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break;
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case 5: /* DOCUMENTATION */
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doc = m_row.m_instr_class->m_documentation;
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if (doc != NULL) {
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set_field_blob(f, doc, strlen(doc));
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} else {
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f->set_null();
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}
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break;
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default:
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DBUG_ASSERT(false);
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}
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}
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}
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return 0;
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}
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int table_setup_instruments::update_row_values(TABLE *table,
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const unsigned char *,
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unsigned char *,
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Field **fields) {
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Field *f;
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enum_yes_no value;
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for (; (f = *fields); fields++) {
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if (bitmap_is_set(table->write_set, f->field_index)) {
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switch (f->field_index) {
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case 0: /* NAME */
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return HA_ERR_WRONG_COMMAND;
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case 1: /* ENABLED */
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/* Do not raise error if m_update_enabled is false, silently ignore.
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*/
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if (m_row.m_update_enabled) {
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value = (enum_yes_no)get_field_enum(f);
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m_row.m_instr_class->m_enabled = (value == ENUM_YES) ? true : false;
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}
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break;
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case 2: /* TIMED */
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/* Do not raise error if m_update_timed is false, silently ignore. */
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if (m_row.m_update_timed) {
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value = (enum_yes_no)get_field_enum(f);
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m_row.m_instr_class->m_timed = (value == ENUM_YES) ? true : false;
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}
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break;
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case 3: /* PROPERTIES */
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case 4: /* VOLATILITY */
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case 5: /* DOCUMENTATION */
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return HA_ERR_WRONG_COMMAND;
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default:
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DBUG_ASSERT(false);
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}
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}
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}
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switch (m_pos.m_index_1) {
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case pos_setup_instruments::VIEW_MUTEX:
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update_mutex_derived_flags();
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break;
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case pos_setup_instruments::VIEW_RWLOCK:
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update_rwlock_derived_flags();
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break;
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case pos_setup_instruments::VIEW_COND:
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update_cond_derived_flags();
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break;
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case pos_setup_instruments::VIEW_FILE:
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update_file_derived_flags();
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break;
|
|
case pos_setup_instruments::VIEW_TABLE:
|
|
update_table_derived_flags();
|
|
break;
|
|
case pos_setup_instruments::VIEW_STAGE:
|
|
case pos_setup_instruments::VIEW_STATEMENT:
|
|
case pos_setup_instruments::VIEW_TRANSACTION:
|
|
/* No flag to update. */
|
|
break;
|
|
case pos_setup_instruments::VIEW_SOCKET:
|
|
update_socket_derived_flags();
|
|
break;
|
|
case pos_setup_instruments::VIEW_IDLE:
|
|
/* No flag to update. */
|
|
break;
|
|
case pos_setup_instruments::VIEW_BUILTIN_MEMORY:
|
|
case pos_setup_instruments::VIEW_MEMORY:
|
|
/* No flag to update. */
|
|
break;
|
|
case pos_setup_instruments::VIEW_METADATA:
|
|
update_metadata_derived_flags();
|
|
break;
|
|
case pos_setup_instruments::VIEW_ERROR:
|
|
/* No flag to update. */
|
|
break;
|
|
default:
|
|
DBUG_ASSERT(false);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|