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WL#2360 Performance schema
Part V: performance schema implementation
This commit is contained in:
Marc Alff
192
mysql-test/suite/perfschema/t/func_file_io.test
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192
mysql-test/suite/perfschema/t/func_file_io.test
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# Copyright (C) 2008-2009 Sun Microsystems, Inc
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#
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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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#
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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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#
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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##
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## WL#4814, 4.1.4 FILE IO
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##
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## Functional testing of File IO
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##
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--source include/not_embedded.inc
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--source include/have_perfschema.inc
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UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'NO', timed = 'YES';
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UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES'
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WHERE name LIKE 'wait/io/file/%';
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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--enable_warnings
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#
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# TODO: Change to InnoDB when it gets instrumentation
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#
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CREATE TABLE t1 (id INT PRIMARY KEY, b CHAR(100) DEFAULT 'initial value')
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ENGINE=MyISAM;
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INSERT INTO t1 (id) VALUES (1), (2), (3), (4), (5), (6), (7), (8);
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TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY_LONG;
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TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY;
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TRUNCATE TABLE performance_schema.EVENTS_WAITS_CURRENT;
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#
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# FF1: Count for file should increase with instrumentation enabled and
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# FF2: Count for file should not increase with instrumentation disabled
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#
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SELECT * FROM t1 WHERE id = 1;
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SET @before_count = (SELECT SUM(TIMER_WAIT)
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FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
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WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
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AND (OBJECT_NAME LIKE '%t1.MYD'));
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SELECT IF(@before_count > 0, 'Success', 'Failure') has_instrumentation;
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SELECT * FROM t1 WHERE id < 4;
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SET @after_count = (SELECT SUM(TIMER_WAIT)
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FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
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WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
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AND (OBJECT_NAME LIKE '%t1.MYD') AND (1 = 1));
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SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_ff1_timed;
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UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled='NO';
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SET @before_count = (SELECT SUM(TIMER_WAIT)
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FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
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WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
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AND (OBJECT_NAME LIKE '%t1.MYD') AND (2 = 2));
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SELECT * FROM t1 WHERE id < 6;
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SET @after_count = (SELECT SUM(TIMER_WAIT)
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FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
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WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
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AND (OBJECT_NAME LIKE '%t1.MYD') AND (3 = 3));
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SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_ff2_timed;
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#
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# Check not timed measurements
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#
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UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES'
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WHERE name LIKE 'wait/io/file/%';
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UPDATE performance_schema.SETUP_INSTRUMENTS SET timed = 'NO';
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TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY_LONG;
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TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY;
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TRUNCATE TABLE performance_schema.EVENTS_WAITS_CURRENT;
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SELECT * FROM t1 WHERE id > 4;
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SELECT * FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
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WHERE TIMER_WAIT != NULL
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OR TIMER_START != NULL
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OR TIMER_END != NULL;
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SELECT * FROM performance_schema.EVENTS_WAITS_HISTORY
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WHERE TIMER_WAIT != NULL
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OR TIMER_START != NULL
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OR TIMER_END != NULL;
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SELECT * FROM performance_schema.EVENTS_WAITS_CURRENT
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WHERE TIMER_WAIT != NULL
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OR TIMER_START != NULL
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OR TIMER_END != NULL;
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UPDATE performance_schema.SETUP_INSTRUMENTS SET timed = 'YES';
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SELECT * FROM t1 WHERE id < 4;
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DROP TABLE t1;
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#
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# FF4: Use-case from Enterprise Monitor
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#
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--disable_result_log
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SELECT SUM(COUNT_READ) AS sum_count_read,
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SUM(COUNT_WRITE) AS sum_count_write,
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SUM(SUM_NUMBER_OF_BYTES_READ) AS sum_num_bytes_read,
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SUM(SUM_NUMBER_OF_BYTES_WRITE) AS sum_num_bytes_write
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FROM performance_schema.FILE_SUMMARY_BY_INSTANCE
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WHERE FILE_NAME LIKE CONCAT('%', @@tmpdir, '%') ORDER BY NULL;
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--enable_result_log
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#
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# FF5: Troubleshooting tasks
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#
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# These queries will give different results based on timing,
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# but at least they should not crash.
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#
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#
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# Total and average wait time for different events on system level
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#
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--disable_result_log
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SELECT EVENT_NAME, COUNT_STAR, AVG_TIMER_WAIT, SUM_TIMER_WAIT
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FROM performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
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WHERE COUNT_STAR > 0
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ORDER BY SUM_TIMER_WAIT DESC
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LIMIT 10;
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--enable_result_log
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#
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# Total and average wait time for different users
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#
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--disable_result_log
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SELECT i.user, SUM(TIMER_WAIT) SUM_WAIT
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# ((TIME_TO_SEC(TIMEDIFF(NOW(), i.startup_time)) * 1000) / SUM(TIMER_WAIT)) * 100 WAIT_PERCENTAGE
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FROM performance_schema.EVENTS_WAITS_HISTORY_LONG h
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INNER JOIN performance_schema.PROCESSLIST p USING (THREAD_ID)
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LEFT JOIN information_schema.PROCESSLIST i USING (ID)
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GROUP BY i.user
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ORDER BY SUM_WAIT DESC
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LIMIT 20;
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--enable_result_log
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#
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# Total and average wait times for different events for a session
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#
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--disable_result_log
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SELECT h.EVENT_NAME, SUM(h.TIMER_WAIT) TOTAL_WAIT
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FROM performance_schema.EVENTS_WAITS_HISTORY_LONG h
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INNER JOIN performance_schema.PROCESSLIST p USING (THREAD_ID)
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WHERE p.ID = 1
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GROUP BY h.EVENT_NAME
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HAVING TOTAL_WAIT > 0;
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--enable_result_log
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#
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# Which user reads and writes data
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#
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--disable_result_log
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SELECT i.user, h.operation, SUM(NUMBER_OF_BYTES) bytes
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FROM performance_schema.EVENTS_WAITS_HISTORY_LONG h
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INNER JOIN performance_schema.PROCESSLIST p USING (THREAD_ID)
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LEFT JOIN information_schema.PROCESSLIST i USING (ID)
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GROUP BY i.user, h.operation
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HAVING BYTES > 0
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ORDER BY i.user, h.operation;
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--enable_result_log
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