mysql-test/suite/perfschema_stress/t/modify.test


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# Copyright (C) 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

--source include/not_embedded.inc
--source suite/perfschema_stress/include/settings.inc

let $have_table= `SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES
                  WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'`;

if (!$have_table) {
    --source suite/perfschema_stress/t/setup.test
}

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';

# Let it run some time with the new timer name and instruments
--sleep 1

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');

# Two short lived changes to see that switching does not lead
# to havoc.

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';