JEP 271: Unified GC Logging - Third pre-review

Kirk Pepperdine kirk.pepperdine at gmail.com
Fri Nov 13 13:29:25 UTC 2015


Hi,

Maybe I’m missing something but none of this appears to be using UL.

Regards,
Kirk

> On Nov 13, 2015, at 9:56 AM, Bengt Rutisson <bengt.rutisson at oracle.com> wrote:
> 
> 
> Hi everyone,
> 
> Here is an updated pre-review for the work for JEP 271 Unified GC Logging.
> 
> Now it includes all the logging that I plan on converting for the first step.
> 
> Here are examples from the latest prototype:
> http://cr.openjdk.java.net/~brutisso/JEP-271/pre-review.02/compare.html
> 
> The webrev for the changes is available here:
> http://cr.openjdk.java.net/~brutisso/JEP-271/pre-review.02/webrev.02/
> 
> Some changes that have been made:
> 
> - GC id is now logged as "GC(5)" instead of the previous "GC#5"
> - The CMS and G1 concurrent logging have been homogenized to look similar. All concurrent phases are start with "Concurrent" and now include timestamps.
> - The paused phases now all start with "Pause".
> - The log messages from the different collectors now look more similar. For example "Pause Young" is used for young GCs for all collectors instead of for example "Young pause" for G1 and "Pause. ParNew" for CMS.
> - I've added a line at the start of the log to clearly state what GC is selected.
> 
> Thanks,
> Bengt
> 



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