RFR: 8284686: Interval of < 1 ms disables ExecutionSample events [v3]

Erik Gahlin egahlin at openjdk.java.net
Thu Apr 28 12:46:54 UTC 2022


On Thu, 28 Apr 2022 12:08:58 GMT, Johannes Bechberger <duke at openjdk.java.net> wrote:

> But where do you test it? Or more generally: How can I write a test that runs JFR? Should this test run a small loop 100ms and then check that there are > 0 events recorded?

The test code above will run JFR until an event is emitted (RecordingStream::start() is blocking)

If there is a bug, the test will hang with a stack trace indicating which test method that failed.

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PR: https://git.openjdk.java.net/jdk/pull/8183


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