RFR: JDK-8066441 - Add PLAB trace event

[Thomas Schatzl]

On Tue, 2014-12-02 at 10:50 -0800, Staffan Friberg wrote:
> Hi,
> 
> As noted in the original thread [1] about this event we split up the 
> commit in 4 different steps. This is the first step that only adds the 
> event and methods to send them, but the usage will be added separately 
> for the 3 GCs using PLABs.
> 
> Bug (sub-task): https://bugs.openjdk.java.net/browse/JDK-8066441
> Webrev: http://cr.openjdk.java.net/~sfriberg/JDK-8066441/webrev.00
> 
> Thanks,
> Staffan
> 
> [1] - (RFR: JDK-8055845 - Add trace event for promoted objects) - 
> http://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2014-December/011477.html
> 

Looks good. Thanks.

Thomas