RFR(XS): 8004170: G1: Verbose GC output is not getting flushed to log file using JDK 8

John Cuthbertson john.cuthbertson at oracle.com
Mon Dec 3 14:33:50 PST 2012


Hi Everyone,

All set  thanks to Azeem, Bengt, and Jesper - thanks for the reviews.

Regards,

JohnC

On 12/03/12 09:52, John Cuthbertson wrote:
> Hi Everyone,
>
> Can I have a couple of volunteers look over the changes for this CR - 
> the webrev can be found at: 
> http://cr.openjdk.java.net/~johnc/8004170/webrev.0/
>
> Summary:
> When we changed the G1 evacuation pause to not use instances of the 
> TraceTime class we forgot to flush the GC log file (which happened 
> during the TraceTime destructor). The fix is to add a flush call to 
> G1CollectedHeap::log_gc_footer(). I also noticed that TraceCPUTime 
> destructor does not flush the specified log file and, since it only 
> seems to be instantiated from GC code, it probably should.
>
> Testing:
> GCOld with -XX:G1LogLevel=fine,finer,finest and -Xloggc. The submitter 
> of the CR has also verified the fix.
>
> Thanks,
>
> JohnC



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