Update XGMI perf counter test to show utilization

Also:
* When destroying a counter, make sure to stop the counter first
* In the test, do not stop (disable) the counter before
  reading it.
* Clean up some whitespace in other tests
* Re-add manual pdf file

Change-Id: I0786ef3a994ca568299c77e44f092af8943ac33d
Tá an tiomantas seo le fáil i:
Chris Freehill tiomanta 2020-06-10 12:49:49 -04:00
1 tuismitheoir 8cf44548c0
tiomantas f946ea37ef
9 comhad athraithe
+227 -103

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