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-- Copyright (c) 2014, 2023, Oracle and/or its affiliates. -- -- This program is free software; you can redistribute it and/or modify -- it under the terms of the GNU General Public License, version 2.0, -- as published by the Free Software Foundation. -- -- This program is also distributed with certain software (including -- but not limited to OpenSSL) that is licensed under separate terms, -- as designated in a particular file or component or in included license -- documentation. The authors of MySQL hereby grant you an additional -- permission to link the program and your derivative works with the -- separately licensed software that they have included with MySQL. -- -- 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, version 2.0, 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 -- -- View: ps_check_lost_instrumentation -- -- Used to check whether Performance Schema is not able to monitor -- all runtime data - only returns variables that have lost instruments -- -- mysql> select * from ps_check_lost_instrumentation; -- +----------------------------------------+----------------+ -- | variable_name | variable_value | -- +----------------------------------------+----------------+ -- | Performance_schema_file_handles_lost | 101223 | -- | Performance_schema_file_instances_lost | 1231 | -- +----------------------------------------+----------------+ -- CREATE OR REPLACE ALGORITHM = MERGE DEFINER = 'mysql.sys'@'localhost' SQL SECURITY INVOKER VIEW ps_check_lost_instrumentation ( variable_name, variable_value ) AS SELECT variable_name, variable_value FROM performance_schema.global_status WHERE variable_name LIKE 'perf%lost' AND variable_value > 0;