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			86 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			SQL
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			SQL
		
	
	
	
	
	
-- Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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DROP PROCEDURE IF EXISTS ps_setup_enable_instrument;
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DELIMITER $$
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CREATE DEFINER='mariadb.sys'@'localhost' PROCEDURE ps_setup_enable_instrument (
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        IN in_pattern VARCHAR(128)
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    )
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    COMMENT '
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             Description
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             -----------
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             Enables instruments within Performance Schema 
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             matching the input pattern.
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             Parameters
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             -----------
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             in_pattern (VARCHAR(128)):
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               A LIKE pattern match (using "%in_pattern%") of events to enable
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             Example
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             -----------
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             To enable all mutex instruments:
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             mysql> CALL sys.ps_setup_enable_instrument(\'wait/synch/mutex\');
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             +-------------------------+
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             | summary                 |
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             +-------------------------+
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             | Enabled 155 instruments |
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             +-------------------------+
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             1 row in set (0.02 sec)
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             Query OK, 0 rows affected (0.02 sec)
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             To enable just a specific TCP/IP based network IO instrument:
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             mysql> CALL sys.ps_setup_enable_instrument(\'wait/io/socket/sql/server_tcpip_socket\');
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             +-----------------------+
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             | summary               |
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             +-----------------------+
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             | Enabled 1 instruments |
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             +-----------------------+
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             1 row in set (0.00 sec)
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             Query OK, 0 rows affected (0.00 sec)
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             To enable all instruments:
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             mysql> CALL sys.ps_setup_enable_instrument(\'\');
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             +-------------------------+
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             | summary                 |
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             +-------------------------+
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             | Enabled 547 instruments |
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             +-------------------------+
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             1 row in set (0.01 sec)
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             Query OK, 0 rows affected (0.01 sec)
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            '
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    SQL SECURITY INVOKER
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    NOT DETERMINISTIC
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    MODIFIES SQL DATA
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BEGIN
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    UPDATE performance_schema.setup_instruments
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       SET enabled = 'YES', timed = 'YES'
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     WHERE name LIKE CONCAT('%', in_pattern, '%');
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    SELECT CONCAT('Enabled ', @rows := ROW_COUNT(), ' instrument', IF(@rows != 1, 's', '')) AS summary;
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END$$
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DELIMITER ;
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