# # Cost model tests that requires performance schema # --source include/have_perfschema.inc --echo # --echo # Bug#20755430 COST CONSTANT CACHE MUTEX NOT INSTRUMENTED BY --echo # PERFORMANCE SCHEMA --echo # # Verify that the Cost constant cache mutex is instrumented SELECT * FROM performance_schema.setup_instruments WHERE NAME LIKE 'Wait/Synch/Mutex/sql/Cost_constant_cache%';