
 Description
 
 Enables instruments within Performance Schema 
 matching the input pattern.
 
 Parameters
 
 in_pattern (VARCHAR(128)):
 A LIKE pattern match (using "%in_pattern%") of events to enable
 
 Example
 
 To enable all mutex instruments:
 
 mysql> CALL sys.ps_setup_enable_instrument('wait/synch/mutex');
 +-------------------------+
 | summary                 |
 +-------------------------+
 | Enabled 155 instruments |
 +-------------------------+
 1 row in set (0.02 sec)
 
 Query OK, 0 rows affected (0.02 sec)
 
 To enable just a specific TCP/IP based network IO instrument:
 
 mysql> CALL sys.ps_setup_enable_instrument('wait/io/socket/sql/server_tcpip_socket');
 +-----------------------+
 | summary               |
 +-----------------------+
 | Enabled 1 instruments |
 +-----------------------+
 1 row in set (0.00 sec)
 
 Query OK, 0 rows affected (0.00 sec)
 
 To enable all instruments:
 
 mysql> CALL sys.ps_setup_enable_instrument('');
 +-------------------------+
 | summary                 |
 +-------------------------+
 | Enabled 547 instruments |
 +-------------------------+
 1 row in set (0.01 sec)
 
 Query OK, 0 rows affected (0.01 sec)
 