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Bug#51295 Build warnings in mdl.cc

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Before this fix, the performance schema instrumentation
in mdl.h / mdl.cc was incomplete, causing:
- build warnings,
- no data collection for the performance schema

This fix:
- added instrumentation helpers for the new preferred
  reader read write lock, mysql_prlock_*
- implemented completely the performance schema
  instrumentation of mdl.h / mdl.cc
This commit is contained in:
Marc Alff
2010-03-07 10:50:47 -07:00
parent 8c28d0d1cf
commit a7c9bf2ccf
4 changed files with 362 additions and 44 deletions
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3
mysql-test/suite/perfschema/r/dml_setup_instruments.result
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@ -25,9 +25,10 @@ wait/synch/rwlock/sql/LOCK_system_variables_hash YES YES
wait/synch/rwlock/sql/LOCK_sys_init_connect YES YES
wait/synch/rwlock/sql/LOCK_sys_init_slave YES YES
wait/synch/rwlock/sql/LOGGER::LOCK_logger YES YES
wait/synch/rwlock/sql/MDL_context::waiting_for_lock YES YES
wait/synch/rwlock/sql/MDL_lock::rwlock YES YES
wait/synch/rwlock/sql/Query_cache_query::lock YES YES
wait/synch/rwlock/sql/THR_LOCK_servers YES YES
wait/synch/rwlock/sql/THR_LOCK_udf YES YES
select * from performance_schema.SETUP_INSTRUMENTS
where name like 'Wait/Synch/Cond/sql/%'
and name not in (