Performance Schema Stage Event Tables | NAME | ENABLED | TIMED | +----------------------------------------------------+---------+-------+ | stage/sql/After create | NO | NO | | stage/sql/allocating local table | NO | NO | | stage/sql/altering table | NO | NO | | stage/sql/committing alter table to storage engine | NO | NO | | stage/sql/Changing master | NO | NO | | stage/sql/Checking master version | NO | NO | | stage/sql/checking permissions | NO | NO | | stage/sql/cleaning up | NO | NO | | stage/sql/closing tables | NO | NO | | stage/sql/Connecting to master | NO | NO | | stage/sql/converting HEAP to MyISAM | NO | NO | | stage/sql/Copying to group table | NO | NO | | stage/sql/Copying to tmp table | NO | NO | | stage/sql/copy to tmp table | NO | NO | | stage/sql/Creating sort index | NO | NO | | stage/sql/creating table | NO | NO | | stage/sql/Creating tmp table | NO | NO | +----------------------------------------------------+---------+-------+ +------------------------------------------------------+---------+-------+ | NAME | ENABLED | TIMED | +------------------------------------------------------+---------+-------+ | stage/sql/copy to tmp table | YES | YES | | stage/sql/Applying batch of row changes (write) | YES | YES | | stage/sql/Applying batch of row changes (update) | YES | YES | | stage/sql/Applying batch of row changes (delete) | YES | YES | | stage/innodb/alter table (end) | YES | YES | | stage/innodb/alter table (flush) | YES | YES | | stage/innodb/alter table (insert) | YES | YES | | stage/innodb/alter table (log apply index) | YES | YES | | stage/innodb/alter table (log apply table) | YES | YES | | stage/innodb/alter table (merge sort) | YES | YES | | stage/innodb/alter table (read PK and internal sort) | YES | YES | | stage/innodb/buffer pool load | YES | YES | | stage/innodb/clone (file copy) | YES | YES | | stage/innodb/clone (redo copy) | YES | YES | | stage/innodb/clone (page copy) | YES | YES | +------------------------------------------------------+---------+-------+ mysql>  SELECT NAME, ENABLED, TIMED FROM performance_schema.setup_instruments WHERE ENABLED=’YES’ AND NAME LIKE "stage/%"; mysql>  SELECT * FROM performance_schema.setup_consumers WHERE NAME LIKE ’events_stages%’; +----------------------------+---------+ | NAME | ENABLED | +----------------------------+---------+ | events_stages_current | NO | | events_stages_history | NO | | events_stages_history_long | NO | +----------------------------+---------+ [mysqld] performance-schema-instrument=’stage/%=ON’ performance-schema-consumer-events-stages-current=ON To control stage event collection at server startup, use lines like these in your  my.cnf  file: The stage consumers are disabled by default: •Enable: 4965 Stage event instruments that provide statement progress information are enabled and timed by default: