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266 lines
8.5 KiB
C++
266 lines
8.5 KiB
C++
/* Copyright (c) 2008, 2011, 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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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 Foundation,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
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/**
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@file storage/perfschema/table_file_summary.cc
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Table FILE_SUMMARY_BY_INSTANCE (implementation).
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*/
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#include "my_global.h"
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#include "my_pthread.h"
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#include "pfs_instr_class.h"
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#include "pfs_column_types.h"
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#include "pfs_column_values.h"
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#include "table_file_summary_by_instance.h"
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#include "pfs_global.h"
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THR_LOCK table_file_summary_by_instance::m_table_lock;
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PFS_engine_table_share
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table_file_summary_by_instance::m_share=
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{
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{ C_STRING_WITH_LEN("file_summary_by_instance") },
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&pfs_truncatable_acl,
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&table_file_summary_by_instance::create,
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NULL, /* write_row */
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table_file_summary_by_instance::delete_all_rows,
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NULL, /* get_row_count */
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1000, /* records */
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sizeof(PFS_simple_index),
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&m_table_lock,
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{ C_STRING_WITH_LEN("CREATE TABLE file_summary_by_instance("
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"FILE_NAME VARCHAR(512) not null,"
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"EVENT_NAME VARCHAR(128) not null,"
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"OBJECT_INSTANCE_BEGIN BIGINT unsigned not null,"
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"COUNT_STAR BIGINT unsigned not null,"
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"SUM_TIMER_WAIT BIGINT unsigned not null,"
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"MIN_TIMER_WAIT BIGINT unsigned not null,"
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"AVG_TIMER_WAIT BIGINT unsigned not null,"
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"MAX_TIMER_WAIT BIGINT unsigned not null,"
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"COUNT_READ BIGINT unsigned not null,"
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"SUM_TIMER_READ BIGINT unsigned not null,"
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"MIN_TIMER_READ BIGINT unsigned not null,"
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"AVG_TIMER_READ BIGINT unsigned not null,"
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"MAX_TIMER_READ BIGINT unsigned not null,"
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"SUM_NUMBER_OF_BYTES_READ BIGINT not null,"
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"COUNT_WRITE BIGINT unsigned not null,"
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"SUM_TIMER_WRITE BIGINT unsigned not null,"
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"MIN_TIMER_WRITE BIGINT unsigned not null,"
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"AVG_TIMER_WRITE BIGINT unsigned not null,"
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"MAX_TIMER_WRITE BIGINT unsigned not null,"
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"SUM_NUMBER_OF_BYTES_WRITE BIGINT not null,"
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"COUNT_MISC BIGINT unsigned not null,"
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"SUM_TIMER_MISC BIGINT unsigned not null,"
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"MIN_TIMER_MISC BIGINT unsigned not null,"
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"AVG_TIMER_MISC BIGINT unsigned not null,"
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"MAX_TIMER_MISC BIGINT unsigned not null)") }
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};
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PFS_engine_table* table_file_summary_by_instance::create(void)
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{
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return new table_file_summary_by_instance();
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}
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int table_file_summary_by_instance::delete_all_rows(void)
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{
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reset_file_instance_io();
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return 0;
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}
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table_file_summary_by_instance::table_file_summary_by_instance()
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: PFS_engine_table(&m_share, &m_pos),
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m_row_exists(false), m_pos(0), m_next_pos(0)
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{}
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void table_file_summary_by_instance::reset_position(void)
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{
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m_pos.m_index= 0;
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m_next_pos.m_index= 0;
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}
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int table_file_summary_by_instance::rnd_next(void)
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{
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PFS_file *pfs;
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for (m_pos.set_at(&m_next_pos);
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m_pos.m_index < file_max;
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m_pos.next())
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{
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pfs= &file_array[m_pos.m_index];
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if (pfs->m_lock.is_populated())
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{
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make_row(pfs);
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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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return HA_ERR_END_OF_FILE;
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}
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int table_file_summary_by_instance::rnd_pos(const void *pos)
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{
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PFS_file *pfs;
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set_position(pos);
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DBUG_ASSERT(m_pos.m_index < file_max);
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pfs= &file_array[m_pos.m_index];
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if (! pfs->m_lock.is_populated())
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return HA_ERR_RECORD_DELETED;
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make_row(pfs);
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return 0;
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}
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/**
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Build a row.
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@param pfs the file the cursor is reading
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*/
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void table_file_summary_by_instance::make_row(PFS_file *pfs)
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{
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pfs_lock lock;
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PFS_file_class *safe_class;
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m_row_exists= false;
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/* Protect this reader against a file delete */
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pfs->m_lock.begin_optimistic_lock(&lock);
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safe_class= sanitize_file_class(pfs->m_class);
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if (unlikely(safe_class == NULL))
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return;
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m_row.m_filename= pfs->m_filename;
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m_row.m_filename_length= pfs->m_filename_length;
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m_row.m_event_name.make_row(safe_class);
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m_row.m_identity= pfs->m_identity;
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time_normalizer *normalizer= time_normalizer::get(wait_timer);
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/* Collect timer and byte count stats */
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m_row.m_io_stat.set(normalizer, &pfs->m_file_stat.m_io_stat);
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if (pfs->m_lock.end_optimistic_lock(&lock))
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m_row_exists= true;
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}
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int table_file_summary_by_instance::read_row_values(TABLE *table,
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unsigned char *,
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Field **fields,
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bool read_all)
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{
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Field *f;
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if (unlikely(! m_row_exists))
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return HA_ERR_RECORD_DELETED;
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/* Set the null bits */
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DBUG_ASSERT(table->s->null_bytes == 0);
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for (; (f= *fields) ; fields++)
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{
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if (read_all || bitmap_is_set(table->read_set, f->field_index))
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{
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switch(f->field_index)
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{
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case 0: /* FILE_NAME */
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set_field_varchar_utf8(f, m_row.m_filename, m_row.m_filename_length);
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break;
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case 1: /* EVENT_NAME */
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m_row.m_event_name.set_field(f);
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break;
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case 2: /* OBJECT_INSTANCE */
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set_field_ulonglong(f, (ulonglong)m_row.m_identity);
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break;
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case 3:/* COUNT_STAR */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_count);
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break;
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case 4:/* SUM_TIMER_WAIT */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_sum);
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break;
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case 5: /* MIN_TIMER_WAIT */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_min);
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break;
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case 6: /* AVG_TIMER_WAIT */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_avg);
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break;
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case 7: /* MAX_TIMER_WAIT */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_max);
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break;
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case 8: /* COUNT_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_count);
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break;
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case 9: /* SUM_TIMER_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_sum);
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break;
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case 10: /* MIN_TIMER_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_min);
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break;
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case 11: /* AVG_TIMER_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_avg);
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break;
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case 12: /* MAX_TIMER_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_max);
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break;
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case 13: /* SUM_NUMBER_OF_BYTES_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_bytes);
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break;
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case 14: /* COUNT_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_count);
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break;
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case 15: /* SUM_TIMER_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_sum);
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break;
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case 16: /* MIN_TIMER_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_min);
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break;
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case 17: /* AVG_TIMER_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_avg);
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break;
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case 18: /* MAX_TIMER_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_max);
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break;
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case 19: /* SUM_NUMBER_OF_BYTES_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_bytes);
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break;
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case 20: /* COUNT_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_count);
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break;
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case 21: /* SUM_TIMER_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_sum);
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break;
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case 22: /* MIN_TIMER_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_min);
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break;
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case 23: /* AVG_TIMER_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_avg);
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break;
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case 24: /* MAX_TIMER_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_max);
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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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