mirror of
https://github.com/MariaDB/server.git
synced 2025-02-01 03:21:53 +01:00
113 lines
3.7 KiB
Text
113 lines
3.7 KiB
Text
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'NO', timed = 'YES';
|
|
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES'
|
|
WHERE name LIKE 'wait/synch/mutex/%'
|
|
OR name LIKE 'wait/synch/rwlock/%';
|
|
DROP TABLE IF EXISTS t1;
|
|
CREATE TABLE t1 (id INT PRIMARY KEY, b CHAR(100) DEFAULT 'initial value')
|
|
ENGINE=MyISAM;
|
|
INSERT INTO t1 (id) VALUES (1), (2), (3), (4), (5), (6), (7), (8);
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY_LONG;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_CURRENT;
|
|
SELECT * FROM t1 WHERE id = 1;
|
|
id b
|
|
1 initial value
|
|
SET @before_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/LOCK_open'));
|
|
SELECT * FROM t1;
|
|
id b
|
|
1 initial value
|
|
2 initial value
|
|
3 initial value
|
|
4 initial value
|
|
5 initial value
|
|
6 initial value
|
|
7 initial value
|
|
8 initial value
|
|
SET @after_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/LOCK_open'));
|
|
SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_fm1_timed;
|
|
test_fm1_timed
|
|
Success
|
|
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'NO'
|
|
WHERE NAME = 'wait/synch/mutex/sql/LOCK_open';
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY_LONG;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_CURRENT;
|
|
SELECT * FROM t1 WHERE id = 1;
|
|
id b
|
|
1 initial value
|
|
SET @before_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/LOCK_open'));
|
|
SELECT * FROM t1;
|
|
id b
|
|
1 initial value
|
|
2 initial value
|
|
3 initial value
|
|
4 initial value
|
|
5 initial value
|
|
6 initial value
|
|
7 initial value
|
|
8 initial value
|
|
SET @after_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/LOCK_open'));
|
|
SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_fm2_timed;
|
|
test_fm2_timed
|
|
Success
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY_LONG;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_CURRENT;
|
|
SELECT * FROM t1 WHERE id = 1;
|
|
id b
|
|
1 initial value
|
|
SET @before_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_grant'));
|
|
SELECT * FROM t1;
|
|
id b
|
|
1 initial value
|
|
2 initial value
|
|
3 initial value
|
|
4 initial value
|
|
5 initial value
|
|
6 initial value
|
|
7 initial value
|
|
8 initial value
|
|
SET @after_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_grant'));
|
|
SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_fm1_rw_timed;
|
|
test_fm1_rw_timed
|
|
Success
|
|
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'NO'
|
|
WHERE NAME = 'wait/synch/rwlock/sql/LOCK_grant';
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY_LONG;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_CURRENT;
|
|
SELECT * FROM t1 WHERE id = 1;
|
|
id b
|
|
1 initial value
|
|
SET @before_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_grant'));
|
|
SELECT * FROM t1;
|
|
id b
|
|
1 initial value
|
|
2 initial value
|
|
3 initial value
|
|
4 initial value
|
|
5 initial value
|
|
6 initial value
|
|
7 initial value
|
|
8 initial value
|
|
SET @after_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/synch/rwlock/sql/LOCK_grant'));
|
|
SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_fm2_rw_timed;
|
|
test_fm2_rw_timed
|
|
Success
|
|
DROP TABLE t1;
|