update performance_schema.SETUP_INSTRUMENTS set enabled='NO'; update performance_schema.SETUP_INSTRUMENTS set enabled='YES' where name like "wait/io/file/myisam/%"; update performance_schema.SETUP_CONSUMERS set enabled='YES'; truncate table performance_schema.EVENTS_WAITS_HISTORY_LONG; drop table if exists test.no_index_tab; create table test.no_index_tab ( a varchar(255), b int ) engine=myisam; insert into no_index_tab set a = 'foo', b = 1; insert into no_index_tab set a = 'foo', b = 1; insert into no_index_tab set a = 'foo', b = 1; select event_name, left(source, locate(":", source)) as short_source, operation, number_of_bytes, substring(object_name, locate("no_index_tab", object_name)) as short_name from performance_schema.EVENTS_WAITS_HISTORY_LONG where operation not like "tell" order by thread_id, event_id; event_name short_source operation number_of_bytes short_name wait/io/file/myisam/kfile mi_create.c: create NULL no_index_tab.MYI wait/io/file/myisam/dfile mi_create.c: create NULL no_index_tab.MYD wait/io/file/myisam/kfile mi_open.c: write 176 no_index_tab.MYI wait/io/file/myisam/kfile mi_open.c: write 100 no_index_tab.MYI wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI wait/io/file/myisam/kfile mi_open.c: write 7 no_index_tab.MYI wait/io/file/myisam/kfile mi_create.c: chsize 1024 no_index_tab.MYI wait/io/file/myisam/dfile mi_create.c: close NULL no_index_tab.MYD wait/io/file/myisam/kfile mi_create.c: close NULL no_index_tab.MYI wait/io/file/myisam/kfile mi_open.c: open NULL no_index_tab.MYI wait/io/file/myisam/kfile mi_open.c: read 24 no_index_tab.MYI wait/io/file/myisam/kfile mi_open.c: seek NULL no_index_tab.MYI wait/io/file/myisam/kfile mi_open.c: read 297 no_index_tab.MYI wait/io/file/myisam/dfile mi_open.c: open NULL no_index_tab.MYD wait/io/file/myisam/kfile mi_locking.c: write 3 no_index_tab.MYI wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI wait/io/file/myisam/dfile mi_dynrec.c: write 20 no_index_tab.MYD wait/io/file/myisam/kfile mi_open.c: write 124 no_index_tab.MYI show status like 'performance_schema_%'; Variable_name Value Performance_schema_cond_classes_lost 0 Performance_schema_cond_instances_lost 0 Performance_schema_file_classes_lost 0 Performance_schema_file_handles_lost 0 Performance_schema_file_instances_lost 0 Performance_schema_locker_lost 0 Performance_schema_mutex_classes_lost 0 Performance_schema_mutex_instances_lost 0 Performance_schema_rwlock_classes_lost 0 Performance_schema_rwlock_instances_lost 0 Performance_schema_table_handles_lost 0 Performance_schema_table_instances_lost 0 Performance_schema_thread_classes_lost 0 Performance_schema_thread_instances_lost 0 update performance_schema.SETUP_INSTRUMENTS set enabled='YES'; drop table test.no_index_tab;