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MySQL 8.4 Reference Manual  / ...  / MySQL sys Schema  / sys Schema Object Reference  / sys Schema Stored Procedures  /  The ps_setup_disable_instrument() Procedure

30.4.4.6 The ps_setup_disable_instrument() Procedure

Disables Performance Schema instruments with names that contain the argument. Produces a result set indicating how many instruments were disabled. Already disabled instruments do not count.

Parameters

  • in_pattern VARCHAR(128): The value used to match instrument names, which are identified by using%in_pattern% as an operand for aLIKE pattern match.

    A value of'' matches all instruments.

Example

Disable a specific instrument:

mysql> CALL sys.ps_setup_disable_instrument('wait/lock/metadata/sql/mdl');+-----------------------+| summary               |+-----------------------+| Disabled 1 instrument |+-----------------------+

Disable all mutex instruments:

mysql> CALL sys.ps_setup_disable_instrument('mutex');+--------------------------+| summary                  |+--------------------------+| Disabled 177 instruments |+--------------------------+