# Copyright (C) 2008-2009 Sun Microsystems, Inc
#
# 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, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

##
## WL#4818, 4.1.3 MUTEXES, RW-LOCKS, ...
##
## Functional testing of mutexes and RW-locks
##

--source include/not_embedded.inc
--source include/have_perfschema.inc

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/%';

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

#
# TODO: Change to InnoDB when it gets instrumentation
#

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);

#
# FM1: Count for mutex should increase with instrumentation enabled and
# FM2: Count for mutex should not increase with instrumentation disabled
#

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;

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;

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;

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;

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;

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;

#
# Repeat for RW-lock
#

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;

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;

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;

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;

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;

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;

# Clean-up.
UPDATE performance_schema.setup_instruments SET enabled = 'YES';
DROP TABLE t1;