On Mon, 4 Dec 2023 13:07:15 GMT, Stefan Johansson <sjoha...@openjdk.org> wrote:
>> In the interest of the RDP1 deadline, should we leave improving the sync >> issues with gc_total to a separate RFE? (Especially given that a "correct" >> design may take some time to come up with, and that gc_total being slightly >> out of sync is not a major issue.) > > Me and Albert discussed this again and we are ok with handling the `gc_total` > sync issue as a follow up. Please create the RFE for that. If that would > include needing a `PerfAtomicCounter`, that would a be its own RFE as well. > For me I think a lock would be a good enough solution. > > From our point of view having the counters out of sync for a long period of > time (think a long concurrent mark cycle without any young collections > updating the total) is not good since it shows that the counters are not > incremented in sync. It would also be nice to avoid the two-step updating of > the total time, so please try to find time to work on this. Thanks, opened https://bugs.openjdk.org/browse/JDK-8321304. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/15082#discussion_r1414634977
