RFR (S): 8006954: GC Cause equals No GC for CMS background collection in the trace GC event

[Stefan Karlsson]

On 02/07/2013 07:11 PM, Erik Helin wrote:
> Based on some internal feedback, I've updated the change. I've added a 
> new GCCause::Cause called _cms_concurrent_mark to be used as cause for 
> collect_in_background.

We need to verify that the GC cause for collect_in_foreground is 
sensible, but this looks good for now.

thanks,
StefanK

>
> The new webrev can be found here:
> http://cr.openjdk.java.net/~ehelin/8006954/webrev.01/
>
> Thanks,
> Erik
>
> On 02/06/2013 06:08 PM, Erik Helin wrote:
>> Hi all,
>>
>> this change makes sure that the "cause" field in the
>> /vm/gc/collection/garbage_collection event is set for a CMS background
>> collection. This is done by ensuring that the _cause field in
>> GenCollectedHeap is set before registering the start of a GC event.
>>
>> Webrev:
>> http://cr.openjdk.java.net/~ehelin/8006954/webrev.00/
>>
>> Bug:
>> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8006954
>>
>> Thanks,
>> Erik
>