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MySQL 8.0 Reference Manual  /  ...  /  The ps_setup_disable_instrument() Procedure

27.4.4.6 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 a LIKE 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 |
+--------------------------+