RFR: 8309871: jdk/jfr/api/consumer/recordingstream/TestSetEndTime.java timed out

[Erik Gahlin]

Could I have review of a fix that adds -XX:-UseFastUnorderedTimeStamps to a test.

An argument can be made that we should test features same way as they are used in the product, and I generally agree, but it's hard to fix this issue without a performance impact. Also, I'm not 100% certain that different clock sources are the underlying problem. 

By running with -XX:-UseFastUnorderedTimeStamps we will gain additional information on this intermittent test failure. Putting the test on the problem list might hide other issue.

Testing: jdk/jdk/jfr

Thanks
Erik

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Commit messages:
 - Initial

Changes: https://git.openjdk.org/jdk/pull/14975/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14975&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8309871
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/14975.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14975/head:pull/14975

PR: https://git.openjdk.org/jdk/pull/14975