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WL#2360 Performance schema

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Part V: performance schema implementation
This commit is contained in:
Marc Alff 2010-01-11 18:47:27 -07:00
commit e0e0f9e3d4
285 changed files with 27090 additions and 629 deletions
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UPDATE performance_schema.SETUP_INSTRUMENTS SET TIMED = 'NO';
UPDATE performance_schema.SETUP_INSTRUMENTS SET ENABLED = 'NO';
UPDATE performance_schema.SETUP_TIMERS
SET TIMER_NAME = 'NANOSECOND' WHERE NAME = 'Wait';
UPDATE performance_schema.SETUP_TIMERS
SET TIMER_NAME = 'CYCLE' WHERE NAME = 'Wait';
UPDATE performance_schema.SETUP_INSTRUMENTS SET TIMED = 'YES';
UPDATE performance_schema.SETUP_INSTRUMENTS SET ENABLED = 'YES'
WHERE NAME IN ('wait/io/file/sql/FRM',
'thread/sql/Connection',
'wait/synch/cond/sql/COND_mdl',
'wait/synch/rwlock/sql/LOCK_sys_init_connect',
'wait/synch/mutex/sql/LOCK_mdl');
UPDATE performance_schema.SETUP_CONSUMERS SET ENABLED = 'NO'
WHERE NAME = 'events_waits_history';
UPDATE performance_schema.SETUP_CONSUMERS SET ENABLED = 'YES'
WHERE NAME = 'events_waits_history';

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SELECT * FROM performance_schema.SETUP_INSTRUMENTS
WHERE ENABLED='NO' AND TIMED='NO';
NAME ENABLED TIMED
SELECT * FROM performance_schema.EVENTS_WAITS_CURRENT
WHERE (TIMER_END - TIMER_START != TIMER_WAIT);
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
SELECT * FROM performance_schema.EVENTS_WAITS_HISTORY
WHERE SPINS != NULL;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
SELECT * FROM performance_schema.PROCESSLIST p,
performance_schema.EVENTS_WAITS_CURRENT e
WHERE p.THREAD_ID = e.THREAD_ID
AND TIMER_START = 0
ORDER BY e.EVENT_ID;
THREAD_ID ID NAME THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
SELECT * FROM performance_schema.EVENTS_WAITS_CURRENT
WHERE THREAD_ID IN (SELECT THREAD_ID
FROM performance_schema.PROCESSLIST
ORDER BY THREAD_ID)
AND TIMER_END = 0
AND TIMER_WAIT != NULL
ORDER BY EVENT_ID;
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
SELECT SUM(COUNT_READ) AS sum_count_read,
SUM(COUNT_WRITE) AS sum_count_write,
SUM(SUM_NUMBER_OF_BYTES_READ) AS sum_num_bytes_read,
SUM(SUM_NUMBER_OF_BYTES_WRITE) AS sum_num_bytes_write
FROM performance_schema.FILE_SUMMARY_BY_INSTANCE
WHERE FILE_NAME LIKE CONCAT('%', @@tmpdir, '%') ORDER BY NULL;

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SET @rowid = ROUND(RAND() * <num_stress_rows>);
START TRANSACTION;
UPDATE t1 SET b = 'changed' WHERE id=@rowid;
SELECT b FROM t1 WHERE id=@rowid;
b
changed
COMMIT;
START TRANSACTION;
DELETE FROM t1 WHERE id=@rowid;
INSERT INTO t1 (id, b) VALUES (@rowid, 'newly_inserted');
SELECT b FROM t1 WHERE id=@rowid;
b
newly_inserted
COMMIT;
CREATE TABLE tw_<conn_nr> AS SELECT * FROM t1;
DROP TABLE tw_<conn_nr>;