RFR: 8269022: Put evacuation failure string directly into gc=info log message [v5]

[Thomas Schatzl]

> Hi all,
> 
>   can I have reviews for this change that puts the evacuation failure marker from a separate log line into the GC timing message. I.e. instead of
> 
> 
> Pause Young (Normal) (G1 Evacuation Pause)
> To-space exhausted
> 
> into
> 
> 
> Pause Young (Normal) (Evacuation Failure) (G1 Evacuation Pause) 
> 
> 
> This is imho easier to read, better to process and less wasteful with log space.
> 
> Testing: tier1, gc/g1 tests

Thomas Schatzl 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. The pull request contains six additional commits since the last revision:

 - Reorder messages in string to be more natural
 - Merge branch 'master' of gh:tschatzl/jdk into 8269022-evac-failure-string-in-gc-info-message
 - Fix G1AllowPreventiveGC -> G1UsePreventiveGC
 - lkorinth review - forgot to save comment update
 - lkorinth review
 - Initial implementation

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4539/files
  - new: https://git.openjdk.java.net/jdk/pull/4539/files/90ca1244..6183e9c9

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4539&range=04
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4539&range=03-04

  Stats: 26435 lines in 776 files changed: 11496 ins; 11891 del; 3048 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4539.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4539/head:pull/4539

PR: https://git.openjdk.java.net/jdk/pull/4539