[jdk17u-dev] RFR: 8306825: Monitor deflation might be accidentally disabled by zero intervals [v2]

[Aleksey Shipilev]

> Clean backport to improve both new code for `GuaranteedAsyncDeflationInterval`, but also handles bugs in existing intervals handling.
> 
> Additional testing: 
>  - [x] macos-aarch64-server-fastdebug, `runtime/Monitor`
>  - [x] Linux x86_64 fastdebug, `tier1 tier2 tier3`  
>  - [x] Linux AArch64 fastdebug, `tier1 tier2 tier3`

Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase.

-------------

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/1318/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/1318/files/25a3e755..25a3e755

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1318&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1318&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1318.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1318/head:pull/1318

PR: https://git.openjdk.org/jdk17u-dev/pull/1318