RFR (XS) 8215221: Serial GC misreports young GC time

Aleksey Shipilev shade at redhat.com
Wed Feb 20 09:15:03 UTC 2019

On 2/19/19 11:18 PM, Kim Barrett wrote:
>> See:
>>  http://cr.openjdk.java.net/~shade/8215221/webrev.02/
>> This passes hotspot_tier1 and my ad-hoc tests. If this is the way to go, I would do jdk-submit, etc.
>> then.
>> -Aleksey
> Thanks; this looks somewhat better to me.  It seems like there should
> be more opportunities for cleanup here, but doing much more might
> require a complete top to bottom rewrite of this function.  Since I
> don't have any concrete suggestions for further changes right now,
> looks good.


I have been looking into how to improve this more, and it seems there are no easy opportunities
there that do not involve rewriting the *callers* of GenCollectedHeap::do_collection.


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