[jdk11u] RFR: 8284686: Interval of < 1 ms disables ExecutionSample events

[Johannes Bechberger]

8284686: Interval of < 1 ms disables ExecutionSample events

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Commit messages:
 - Backport 902b1dd4550136c520e5ec6cb8c4fe9a81218938

Changes: https://git.openjdk.org/jdk11u/pull/58/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u&pr=58&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8284686
  Stats: 100 lines in 2 files changed: 97 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk11u/pull/58.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u pull/58/head:pull/58

PR: https://git.openjdk.org/jdk11u/pull/58