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	MDEV-7399: Add support for INFORMATION_SCHEMA.INNODB_MUTEXES
    MDEV-7618: Improve semaphore instrumentation
    Introduced two new information schema tables to monitor mutex waits
    and semaphore waits. Added a new configuration variable
    innodb_intrument_semaphores to add thread_id, file name and
    line of current holder of mutex/rw_lock.
		
	
		
			
				
	
	
		
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| --innodb-mutexes |