RFR(S): 8160064: StackWalker implementation added logging option without using UL

[Mandy Chung]

> On Sep 28, 2016, at 10:15 AM, Rachel Protacio <rachel.protacio at oracle.com> wrote:
> 
> Thanks for the review!
> 
> 
> On 9/28/2016 12:58 PM, Mandy Chung wrote:
>> 
>>> On Sep 28, 2016, at 9:40 AM, Rachel Protacio <rachel.protacio at oracle.com> wrote:
>>> 
>>> Updated webrev: http://cr.openjdk.java.net/~rprotacio/8160064.01/
>>> 
>>> Includes simplified test, log_is_enabled checks, and logging on debug level.
>>> 
>> Thanks for updating the test which looks good.
>> 
>> log_debug is used in this version.  Does that mean the logging can’t be used in product jvm?
>> 
>> As Coleen indicates, since there is no impact to the performance and JVM code size, making stackwalk logging a product level flag would be useful for core-libs team.
> log_debug refers to the level of logging. It is in product mode.

That’s good.  Thanks for the clarification.

+1 

Mandy