RFR(S): 8170672: Event-based tracing to support classloader instances

[Markus Gronlund]

Greetings,

 

Kindly asking for reviews for the following changeset:

 

Bug/Enh: https://bugs.openjdk.java.net/browse/JDK-8170672 

Webrev: http://cr.openjdk.java.net/~mgronlun/8170672/webrev01/

(this work is covered by an FC exception)

 

Summary:

Event-based tracing previously had little information about class loaders; a class loader was essentially treated no different than from a regular class (type information only). 

With JDK9, supported has been added to java.lang.ClassLoader to associate a name with an individual class loader instance. 

 

This changeset will allow the name information of individual class loader instances to be provided by the event-based tracing framework.

 

Aux info:

Some folding of the numerous macros completed as well.

 

Thanks in advance
Markus

 
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