Yes, it would be possible to view all the tickets linked to a tracker. 

Here are the steps: 

Step 1: Filter the tickets of tracker type in the Association Type field. 

Step 2: Select the tracker, the one you wish to view all the related tickets.

Step 3: Click on X Related tickets on the right hand side of the page.The list of all the related tickets is shown.Here X= Number of related tickets.

However as of now, this information is not available as a metrics with Reports.