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

30.4.4.11 The ps_setup_enable_thread() Procedure

Given a connection ID, enables Performance Schema instrumentation for the thread. Produces a result set indicating how many threads were enabled. Already enabled threads do not count.

Parameters

  • in_connection_id BIGINT: The connection ID. This is a value of the type given in thePROCESSLIST_ID column of the Performance Schemathreads table or theId column ofSHOW PROCESSLIST output.

Example

Enable a specific connection by its connection ID:

mysql> CALL sys.ps_setup_enable_thread(225);+------------------+| summary          |+------------------+| Enabled 1 thread |+------------------+

Enable the current connection:

mysql> CALL sys.ps_setup_enable_thread(CONNECTION_ID());+------------------+| summary          |+------------------+| Enabled 1 thread |+------------------+