RFR: 8244505: G1 pause time ratio calculation does not consider Remark/Cleanup pauses

Tue Sep 15 16:51:50 UTC 2020

On Tue, 15 Sep 2020 13:51:22 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

> The computation for long and short term pause time ratios does not include Remark/Cleanup pause times. Isolate updates
> to _prev_collection_pause_end_ms from update_recent_gc_times(), then have all gc pauses (including Remark/Cleanup)
> recorded by update_recent_gc_times(). Patch also includes trivial clean ups to g1Policy.* files. Testing: Tier 1 - 7
> Performance testing did not show any significant changes in performance

Thanks @tschatzl for the initial comments, I will split the changes.

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PR: https://git.openjdk.java.net/jdk/pull/183