select component_urn from mysql.component;
component_urn
select *
from performance_schema.mutex_instances
where NAME like "%/pfs_example/%";
NAME	OBJECT_INSTANCE_BEGIN	LOCKED_BY_THREAD_ID
INSTALL COMPONENT "file://component_pfs_example";
select component_urn from mysql.component;
component_urn
file://component_pfs_example
select * from performance_schema.setup_instruments
where NAME like "%/pfs_example/%";
NAME	ENABLED	TIMED	PROPERTIES	VOLATILITY	DOCUMENTATION
wait/synch/cond/pfs_example/X	YES	YES		0	NULL
wait/synch/cond/pfs_example/Y	YES	YES		0	NULL
wait/synch/mutex/pfs_example/T	YES	YES		3	And more.
wait/synch/mutex/pfs_example/X	YES	YES	singleton	1	Example doc, permanent mutex, singleton.
wait/synch/mutex/pfs_example/Y	YES	YES		7	Example doc, very volatile mutexes.
wait/synch/mutex/pfs_example/Z	YES	YES	singleton	2	Another example.
wait/synch/rwlock/pfs_example/T	YES	YES		0	NULL
wait/synch/rwlock/pfs_example/X	YES	YES		0	NULL
wait/synch/rwlock/pfs_example/Y	YES	YES		0	NULL
wait/synch/rwlock/pfs_example/Z	YES	YES		0	NULL
wait/synch/sxlock/pfs_example/S1	YES	YES		0	NULL
select NAME
from performance_schema.mutex_instances
where NAME like "%/pfs_example/%";
NAME
wait/synch/mutex/pfs_example/T
wait/synch/mutex/pfs_example/X
wait/synch/mutex/pfs_example/Y
wait/synch/mutex/pfs_example/Z
UNINSTALL COMPONENT "file://component_pfs_example";
select component_urn from mysql.component;
component_urn
select * from performance_schema.setup_instruments
where NAME like "wait/synch/mutex/pfs_example/%";
NAME	ENABLED	TIMED	PROPERTIES	VOLATILITY	DOCUMENTATION
wait/synch/mutex/pfs_example/T	YES	YES		3	And more.
wait/synch/mutex/pfs_example/X	YES	YES	singleton	1	Example doc, permanent mutex, singleton.
wait/synch/mutex/pfs_example/Y	YES	YES		7	Example doc, very volatile mutexes.
wait/synch/mutex/pfs_example/Z	YES	YES	singleton	2	Another example.
select *
from performance_schema.mutex_instances
where NAME like "%/pfs_example/%";
NAME	OBJECT_INSTANCE_BEGIN	LOCKED_BY_THREAD_ID
INSTALL COMPONENT "file://component_pfs_example";
select component_urn from mysql.component;
component_urn
file://component_pfs_example
select * from performance_schema.setup_instruments
where NAME like "wait/synch/mutex/pfs_example/%";
NAME	ENABLED	TIMED	PROPERTIES	VOLATILITY	DOCUMENTATION
wait/synch/mutex/pfs_example/T	YES	YES		3	And more.
wait/synch/mutex/pfs_example/X	YES	YES	singleton	1	Example doc, permanent mutex, singleton.
wait/synch/mutex/pfs_example/Y	YES	YES		7	Example doc, very volatile mutexes.
wait/synch/mutex/pfs_example/Z	YES	YES	singleton	2	Another example.
select NAME
from performance_schema.mutex_instances
where NAME like "%/pfs_example/%";
NAME
wait/synch/mutex/pfs_example/T
wait/synch/mutex/pfs_example/X
wait/synch/mutex/pfs_example/Y
wait/synch/mutex/pfs_example/Z
# restart
select component_urn from mysql.component;
component_urn
file://component_pfs_example
select * from performance_schema.setup_instruments
where NAME like "wait/synch/mutex/pfs_example/%";
NAME	ENABLED	TIMED	PROPERTIES	VOLATILITY	DOCUMENTATION
wait/synch/mutex/pfs_example/T	YES	YES		3	And more.
wait/synch/mutex/pfs_example/X	YES	YES	singleton	1	Example doc, permanent mutex, singleton.
wait/synch/mutex/pfs_example/Y	YES	YES		7	Example doc, very volatile mutexes.
wait/synch/mutex/pfs_example/Z	YES	YES	singleton	2	Another example.
select NAME
from performance_schema.mutex_instances
where NAME like "%/pfs_example/%";
NAME
wait/synch/mutex/pfs_example/T
wait/synch/mutex/pfs_example/X
wait/synch/mutex/pfs_example/Y
wait/synch/mutex/pfs_example/Z
UNINSTALL COMPONENT "file://component_pfs_example";
select component_urn from mysql.component;
component_urn
select * from performance_schema.setup_instruments
where NAME like "wait/synch/mutex/pfs_example/%";
NAME	ENABLED	TIMED	PROPERTIES	VOLATILITY	DOCUMENTATION
wait/synch/mutex/pfs_example/T	YES	YES		3	And more.
wait/synch/mutex/pfs_example/X	YES	YES	singleton	1	Example doc, permanent mutex, singleton.
wait/synch/mutex/pfs_example/Y	YES	YES		7	Example doc, very volatile mutexes.
wait/synch/mutex/pfs_example/Z	YES	YES	singleton	2	Another example.
select *
from performance_schema.mutex_instances
where NAME like "%/pfs_example/%";
NAME	OBJECT_INSTANCE_BEGIN	LOCKED_BY_THREAD_ID
# restart
select component_urn from mysql.component;
component_urn
select * from performance_schema.setup_instruments
where NAME like "wait/synch/mutex/pfs_example/%";
NAME	ENABLED	TIMED	PROPERTIES	VOLATILITY	DOCUMENTATION
select *
from performance_schema.mutex_instances
where NAME like "%/pfs_example/%";
NAME	OBJECT_INSTANCE_BEGIN	LOCKED_BY_THREAD_ID