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Which sessions are waiting for PCM lock conversion to complete?

Can you provide a SQL statement to determine which of my sessions are waiting and which have already waited for a PCM lock conversion to complete?
GV$DLM_CONVERT_LOCAL/REMOTE displays the elapsed time for the local lock conversion operation and has finer grain details on lock activity. In order to use these views, you need to turn on the event 29700 to gather these statistics. Metalink note: 72316.1 will help you with this.

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