mysql-test/suite/perfschema/t/start_server_no_mutex_class.test


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# Tests for PERFORMANCE_SCHEMA

--source include/not_embedded.inc
--source include/have_perfschema.inc

--source ../include/start_server_common.inc

# Expect no classes
show global variables like "performance_schema_max_mutex_classes";

select count(*) from performance_schema.setup_instruments
  where name like "wait/synch/mutex/%";

# We lost all the classes
--disable_warnings
select variable_value > 0 from information_schema.global_status
  where variable_name like 'PERFORMANCE_SCHEMA_MUTEX_CLASSES_LOST';
--enable_warnings

# Expect no instances
select count(*) from performance_schema.mutex_instances;

# Expect no instances lost
show global status like "performance_schema_mutex_instances_lost";