RFR: 8152711: Create a non-template Log wrapper class

Robbin Ehn robbin.ehn at oracle.com
Tue Mar 29 15:55:56 UTC 2016

Hi Stefan, looks good to me.


On 03/29/2016 03:48 PM, Stefan Karlsson wrote:
> Hi all,
> Please review this patch to introduce type-erased Log and LogTarget
> wrapper classes. These classes can be used where we don't want or can't
> use the template parameters associated with the Log and LogTarget classes.
> http://cr.openjdk.java.net/~stefank/8152711/webrev.01
> https://bugs.openjdk.java.net/browse/JDK-8152711
> The patch is applied on top of the patch in:
> http://mail.openjdk.java.net/pipermail/hotspot-dev/2016-March/022304.html
> I've received internal feedback that we probably want to reuse the
> LogTagSet instances. I'd prefer if that could be prototyped and
> implemented as a separate RFE.
> I've changed the implementation of GCTraceTime to show how LogHandles
> can be used to lower the amount of template parameters used throughout
> the implementation.
> Test: new internal vm test, jprt
> Thanks,
> StefanK

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