RFR: 7903750: TimeBudget (-tb) does not fulfill its promisses [v2]

[Jiří Vaněk]

> Added warning, when time budget is to small, and final run will run at least two times longer.

Jiří Vaněk has updated the pull request incrementally with one additional commit since the last revision:

  Replaced System.out by preset out

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Changes:
  - all: https://git.openjdk.org/jcstress/pull/161/files
  - new: https://git.openjdk.org/jcstress/pull/161/files/8e5b39a5..14913a31

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jcstress&pr=161&range=01
 - incr: https://webrevs.openjdk.org/?repo=jcstress&pr=161&range=00-01

  Stats: 8 lines in 1 file changed: 0 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jcstress/pull/161.diff
  Fetch: git fetch https://git.openjdk.org/jcstress.git pull/161/head:pull/161

PR: https://git.openjdk.org/jcstress/pull/161