RFR: 8189440: Event tracing macros for allocation and weak oops processing

[Erik Helin]

I'm adding hotspot-gc-dev since GC code is touched and not all GC 
developers are on serviceability-dev (probably just me).

Thanks,
Erik

On 10/18/2017 04:34 AM, Erik Gahlin wrote:
> Hi,
> 
> Could I have a review of a change that adds two macros to be used with 
> event-based JVM tracing.
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8189440
> 
> Webrev:
> http://cr.openjdk.java.net/~egahlin/8189440_0
> 
> Thanks
> Erik