RFR: 8309960: ParallelGC young collections very slow in DelayInducer [v2]

[Albert Mingkun Yang]

> Using the benchmark from the JBS ticket, one can observe the young-gc-pause regression is gone.

Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:

  Update src/hotspot/share/gc/parallel/psPromotionManager.cpp
  
  Co-authored-by: Thomas Schatzl <59967451+tschatzl at users.noreply.github.com>

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Changes:
  - all: https://git.openjdk.org/jdk/pull/14469/files
  - new: https://git.openjdk.org/jdk/pull/14469/files/49e97995..90db6a63

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14469&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14469&range=00-01

  Stats: 7 lines in 1 file changed: 0 ins; 1 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/14469.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14469/head:pull/14469

PR: https://git.openjdk.org/jdk/pull/14469