26.4.4.19 ps_setup_show_enabled_consumers() 过程
显示所有当前启用的 Performance Schema 消费者。
mysql> CALL sys.ps_setup_show_enabled_consumers();
+---------------------------+
| enabled_consumers |
+---------------------------+
| events_statements_current |
| events_statements_history |
| global_instrumentation |
| statements_digest |
| thread_instrumentation |
+---------------------------+