1/* Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
2
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; version 2 of the License.
6
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 GNU General Public License for more details.
11
12 You should have received a copy of the GNU General Public License
13 along with this program; if not, write to the Free Software Foundation,
14 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
15
16/**
17 @file storage/perfschema/table_file_summary.cc
18 Table FILE_SUMMARY_BY_EVENT_NAME(implementation).
19*/
20
21#include "my_global.h"
22#include "my_pthread.h"
23#include "pfs_instr_class.h"
24#include "pfs_column_types.h"
25#include "pfs_column_values.h"
26#include "table_file_summary_by_event_name.h"
27#include "pfs_global.h"
28#include "pfs_visitor.h"
29
30THR_LOCK table_file_summary_by_event_name::m_table_lock;
31
32PFS_engine_table_share
33table_file_summary_by_event_name::m_share=
34{
35 { C_STRING_WITH_LEN("file_summary_by_event_name") },
36 &pfs_truncatable_acl,
37 &table_file_summary_by_event_name::create,
38 NULL, /* write_row */
39 table_file_summary_by_event_name::delete_all_rows,
40 NULL, /* get_row_count */
41 1000, /* records */
42 sizeof(PFS_simple_index),
43 &m_table_lock,
44 { C_STRING_WITH_LEN("CREATE TABLE file_summary_by_event_name("
45 "EVENT_NAME VARCHAR(128) not null,"
46 "COUNT_STAR BIGINT unsigned not null,"
47 "SUM_TIMER_WAIT BIGINT unsigned not null,"
48 "MIN_TIMER_WAIT BIGINT unsigned not null,"
49 "AVG_TIMER_WAIT BIGINT unsigned not null,"
50 "MAX_TIMER_WAIT BIGINT unsigned not null,"
51 "COUNT_READ BIGINT unsigned not null,"
52 "SUM_TIMER_READ BIGINT unsigned not null,"
53 "MIN_TIMER_READ BIGINT unsigned not null,"
54 "AVG_TIMER_READ BIGINT unsigned not null,"
55 "MAX_TIMER_READ BIGINT unsigned not null,"
56 "SUM_NUMBER_OF_BYTES_READ BIGINT not null,"
57 "COUNT_WRITE BIGINT unsigned not null,"
58 "SUM_TIMER_WRITE BIGINT unsigned not null,"
59 "MIN_TIMER_WRITE BIGINT unsigned not null,"
60 "AVG_TIMER_WRITE BIGINT unsigned not null,"
61 "MAX_TIMER_WRITE BIGINT unsigned not null,"
62 "SUM_NUMBER_OF_BYTES_WRITE BIGINT not null,"
63 "COUNT_MISC BIGINT unsigned not null,"
64 "SUM_TIMER_MISC BIGINT unsigned not null,"
65 "MIN_TIMER_MISC BIGINT unsigned not null,"
66 "AVG_TIMER_MISC BIGINT unsigned not null,"
67 "MAX_TIMER_MISC BIGINT unsigned not null)") }
68};
69
70PFS_engine_table* table_file_summary_by_event_name::create(void)
71{
72 return new table_file_summary_by_event_name();
73}
74
75int table_file_summary_by_event_name::delete_all_rows(void)
76{
77 reset_file_instance_io();
78 reset_file_class_io();
79 return 0;
80}
81
82table_file_summary_by_event_name::table_file_summary_by_event_name()
83 : PFS_engine_table(&m_share, &m_pos),
84 m_pos(1), m_next_pos(1)
85{}
86
87void table_file_summary_by_event_name::reset_position(void)
88{
89 m_pos.m_index= 1;
90 m_next_pos.m_index= 1;
91}
92
93int table_file_summary_by_event_name::rnd_next(void)
94{
95 PFS_file_class *file_class;
96
97 m_pos.set_at(&m_next_pos);
98
99 file_class= find_file_class(m_pos.m_index);
100 if (file_class)
101 {
102 make_row(file_class);
103 m_next_pos.set_after(&m_pos);
104 return 0;
105 }
106
107 return HA_ERR_END_OF_FILE;
108}
109
110int table_file_summary_by_event_name::rnd_pos(const void *pos)
111{
112 PFS_file_class *file_class;
113
114 set_position(pos);
115
116 file_class= find_file_class(m_pos.m_index);
117 if (file_class)
118 {
119 make_row(file_class);
120 return 0;
121 }
122
123 return HA_ERR_RECORD_DELETED;
124}
125
126/**
127 Build a row.
128 @param klass the file class the cursor is reading
129*/
130void table_file_summary_by_event_name::make_row(PFS_file_class *file_class)
131{
132 m_row.m_event_name.make_row(file_class);
133
134 PFS_instance_file_io_stat_visitor visitor;
135 PFS_instance_iterator::visit_file_instances(file_class, &visitor);
136
137 time_normalizer *normalizer= time_normalizer::get(wait_timer);
138
139 /* Collect timer and byte count stats */
140 m_row.m_io_stat.set(normalizer, &visitor.m_file_io_stat);
141 m_row_exists= true;
142
143}
144
145int table_file_summary_by_event_name::read_row_values(TABLE *table,
146 unsigned char *,
147 Field **fields,
148 bool read_all)
149{
150 Field *f;
151
152 if (unlikely(!m_row_exists))
153 return HA_ERR_RECORD_DELETED;
154
155 /* Set the null bits */
156 DBUG_ASSERT(table->s->null_bytes == 0);
157
158 for (; (f= *fields) ; fields++)
159 {
160 if (read_all || bitmap_is_set(table->read_set, f->field_index))
161 {
162 switch(f->field_index)
163 {
164 case 0: /* EVENT_NAME */
165 m_row.m_event_name.set_field(f);
166 break;
167 case 1: /* COUNT_STAR */
168 set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_count);
169 break;
170 case 2: /* SUM_TIMER_WAIT */
171 set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_sum);
172 break;
173 case 3: /* MIN_TIMER_WAIT */
174 set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_min);
175 break;
176 case 4: /* AVG_TIMER_WAIT */
177 set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_avg);
178 break;
179 case 5: /* MAX_TIMER_WAIT */
180 set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_max);
181 break;
182
183 case 6: /* COUNT_READ */
184 set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_count);
185 break;
186 case 7: /* SUM_TIMER_READ */
187 set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_sum);
188 break;
189 case 8: /* MIN_TIMER_READ */
190 set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_min);
191 break;
192 case 9: /* AVG_TIMER_READ */
193 set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_avg);
194 break;
195 case 10: /* MAX_TIMER_READ */
196 set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_max);
197 break;
198 case 11: /* SUM_NUMBER_OF_BYTES_READ */
199 set_field_ulonglong(f, m_row.m_io_stat.m_read.m_bytes);
200 break;
201
202 case 12: /* COUNT_WRITE */
203 set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_count);
204 break;
205 case 13: /* SUM_TIMER_WRITE */
206 set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_sum);
207 break;
208 case 14: /* MIN_TIMER_WRITE */
209 set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_min);
210 break;
211 case 15: /* AVG_TIMER_WRITE */
212 set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_avg);
213 break;
214 case 16: /* MAX_TIMER_WRITE */
215 set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_max);
216 break;
217 case 17: /* SUM_NUMBER_OF_BYTES_WRITE */
218 set_field_ulonglong(f, m_row.m_io_stat.m_write.m_bytes);
219 break;
220
221 case 18: /* COUNT_MISC */
222 set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_count);
223 break;
224 case 19: /* SUM_TIMER_MISC */
225 set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_sum);
226 break;
227 case 20: /* MIN_TIMER_MISC */
228 set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_min);
229 break;
230 case 21: /* AVG_TIMER_MISC */
231 set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_avg);
232 break;
233 case 22: /* MAX_TIMER_MISC */
234 set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_max);
235 break;
236
237 default:
238 DBUG_ASSERT(false);
239 break;
240 }
241 } // if
242 } // for
243
244 return 0;
245}
246