mirror of
				https://github.com/MariaDB/server.git
				synced 2025-10-30 18:36:12 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			80 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			SQL
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			SQL
		
	
	
	
	
	
| -- Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
 | |
| --
 | |
| -- 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 | |
| 
 | |
| DROP PROCEDURE IF EXISTS ps_setup_disable_instrument;
 | |
| 
 | |
| DELIMITER $$
 | |
| 
 | |
| CREATE DEFINER='mariadb.sys'@'localhost' PROCEDURE ps_setup_disable_instrument (
 | |
|         IN in_pattern VARCHAR(128)
 | |
|     )
 | |
|     COMMENT '
 | |
|              Description
 | |
|              -----------
 | |
| 
 | |
|              Disables instruments within Performance Schema 
 | |
|              matching the input pattern.
 | |
| 
 | |
|              Parameters
 | |
|              -----------
 | |
| 
 | |
|              in_pattern (VARCHAR(128)):
 | |
|                A LIKE pattern match (using "%in_pattern%") of events to disable
 | |
| 
 | |
|              Example
 | |
|              -----------
 | |
| 
 | |
|              To disable all mutex instruments:
 | |
| 
 | |
|              mysql> CALL sys.ps_setup_disable_instrument(\'wait/synch/mutex\');
 | |
|              +--------------------------+
 | |
|              | summary                  |
 | |
|              +--------------------------+
 | |
|              | Disabled 155 instruments |
 | |
|              +--------------------------+
 | |
|              1 row in set (0.02 sec)
 | |
| 
 | |
|              To disable just a specific TCP/IP based network IO instrument:
 | |
| 
 | |
|              mysql> CALL sys.ps_setup_disable_instrument(\'wait/io/socket/sql/server_tcpip_socket\');
 | |
|              +------------------------+
 | |
|              | summary                |
 | |
|              +------------------------+
 | |
|              | Disabled 1 instruments |
 | |
|              +------------------------+
 | |
|              1 row in set (0.00 sec)
 | |
| 
 | |
|              To disable all instruments:
 | |
| 
 | |
|              mysql> CALL sys.ps_setup_disable_instrument(\'\');
 | |
|              +--------------------------+
 | |
|              | summary                  |
 | |
|              +--------------------------+
 | |
|              | Disabled 547 instruments |
 | |
|              +--------------------------+
 | |
|              1 row in set (0.01 sec)
 | |
|             '
 | |
|     SQL SECURITY INVOKER
 | |
|     NOT DETERMINISTIC
 | |
|     MODIFIES SQL DATA
 | |
| BEGIN
 | |
|     UPDATE performance_schema.setup_instruments
 | |
|        SET enabled = 'NO', timed = 'NO'
 | |
|      WHERE name LIKE CONCAT('%', in_pattern, '%');
 | |
| 
 | |
|     SELECT CONCAT('Disabled ', @rows := ROW_COUNT(), ' instrument', IF(@rows != 1, 's', '')) AS summary;
 | |
| END$$
 | |
| 
 | |
| DELIMITER ;
 | 
