config root man

# Tests for PERFORMANCE_SCHEMA

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

--source ../include/start_server_common.inc

# Expect no instances
show global variables like "performance_schema_max_table_instances";

# Expect handles
show global variables like "performance_schema_max_table_handles";

# Create an instrumented table
--disable_warnings
drop table if exists test.instrument_me;
--enable_warnings

create table test.instrument_me(a int);
insert into test.instrument_me values (1), (2), (3);
select * from test.instrument_me;
drop table test.instrument_me;

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

# Expect no handle lost
show global status like "performance_schema_table_handles_lost";