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80 lines
2.8 KiB
SQL
80 lines
2.8 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_disable_instrument;
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DELIMITER $$
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CREATE DEFINER='mariadb.sys'@'localhost' PROCEDURE ps_setup_disable_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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Disables 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 disable
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Example
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-----------
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To disable all mutex instruments:
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mysql> CALL sys.ps_setup_disable_instrument(\'wait/synch/mutex\');
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+--------------------------+
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| summary |
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+--------------------------+
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| Disabled 155 instruments |
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+--------------------------+
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1 row in set (0.02 sec)
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To disable just a specific TCP/IP based network IO instrument:
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mysql> CALL sys.ps_setup_disable_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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| Disabled 1 instruments |
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+------------------------+
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1 row in set (0.00 sec)
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To disable all instruments:
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mysql> CALL sys.ps_setup_disable_instrument(\'\');
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+--------------------------+
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| summary |
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+--------------------------+
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| Disabled 547 instruments |
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+--------------------------+
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1 row in set (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 = 'NO', timed = 'NO'
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WHERE name LIKE CONCAT('%', in_pattern, '%');
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SELECT CONCAT('Disabled ', @rows := ROW_COUNT(), ' instrument', IF(@rows != 1, 's', '')) AS summary;
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END$$
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DELIMITER ;
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