The database part is not case sensitive in SP names in PERFORMANCE_SCHEMA

lower-case-table-names=0

performance-schema=1

CREATE OR REPLACE DATABASE DB1;

CREATE OR REPLACE DATABASE db1;

CREATE PROCEDURE DB1.sp() SELECT 'This is DB1.sp';

CREATE PROCEDURE db1.sp() SELECT 'This is db1.sp';

CALL DB1.sp();

# This is needed to reset the SP cache (a MDEV-33019 workaround)

CREATE PROCEDURE DB1.sp2() SELECT 'This is DB1.sp2';

CALL db1.sp();

select object_type, object_schema, object_name, count_star, count_statements, sum_rows_sent from performance_schema.events_statements_summary_by_program where object_type='procedure';

+-------------+---------------+-------------+------------+------------------+---------------+

| object_type | object_schema | object_name | count_star | count_statements | sum_rows_sent |

+-------------+---------------+-------------+------------+------------------+---------------+

| PROCEDURE   | db1           | sp          |          2 |                0 |             0 |

+-------------+---------------+-------------+------------+------------------+---------------+