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