RFR (S): 8248221: G1: millis_since_last_gc updated at wrong time

[Kim Barrett]

> On Jun 26, 2020, at 7:00 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
> Hi,
> 
> On 25.06.20 20:49, Kim Barrett wrote:
>>> On Jun 25, 2020, at 4:04 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
>>> 
>>> CR:
>>> https://bugs.openjdk.java.net/browse/JDK-8248221
>>> Webrev:
>>> http://cr.openjdk.java.net/~tschatzl/8248221/webrev/
>>> Testing:
>>> tier1-5 with 8243974 and 8165501, manual testing as described above.
>> ------------------------------------------------------------------------------
>> src/hotspot/share/gc/g1/g1CollectedHeap.cpp
>> 2067     _time_of_last_gc_ns = os::javaTimeNanos();
>> This variable seems really poorly named.
>> _time_for_millis_since_last_gc ?
>> Of course, millis_since_last_gc's name seems pretty poor too.
>> Maybe update those names as a followup.
>> ------------------------------------------------------------------------------
>> Other than that naming issue, looks good.
> 
>  I totally agree that millis_since_last_gc is very much misnamed, but I would like to not redo the recent three changes in that area because of that. I will file a CR.

Fine by me.

> 
> Thanks for your review,
>  Thomas