# Tests for PERFORMANCE_SCHEMA --source include/not_embedded.inc --source include/have_perfschema.inc --source ../include/start_server_common.inc # Expect classes show global variables like "performance_schema_max_mutex_classes"; select count(*) > 0 from performance_schema.setup_instruments where name like "wait/synch/mutex/%"; # Expect no class lost show global status like "performance_schema_mutex_classes_lost"; # Expect no instances show global variables like "performance_schema_max_mutex_instances"; select count(*) from performance_schema.mutex_instances; # Expect instances lost --disable_warnings select variable_value > 0 from information_schema.global_status where variable_name like 'PERFORMANCE_SCHEMA_MUTEX_INSTANCES_LOST'; --enable_warnings