RFR: 8140348: Convert TraceSafepoint to Unified Logging

[harold seigel]

Hi Rachel,

The change s look good.

One nit, if SafepointTest.java is a new file then you can remove "2014,  
" for its copyright.

Thanks, Harold

On 10/22/2015 1:33 PM, Rachel Protacio wrote:
> Hello,
>
> Please review my next logging enhancement.
>
> Summary: The former -XX:+TraceSafepoint flag is updated to the unified 
> logging framework and is now replaced with -Xlog:safepoint in product 
> mode.
>
> open webrev: http://cr.openjdk.java.net/~rprotacio/8140348/
> bug link: https://bugs.openjdk.java.net/browse/JDK-8140348
> testing: Passes JPRT, RBT, and RefWorkload performance testing.
>
> A compatibility request has been accepted with regard to this change.
>
> Thank you,
> Rachel