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 the PROCESSLIST_ID column of the Performance Schema threads table or the Id column of SHOW 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 |
+------------------+