JDK-8226779 : [TESTBUG] Test JFR API from Java agent
- Type: Enhancement
- Component: hotspot
- Sub-Component: jfr
- Affected Version: 11,12,13,14
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- Submitted: 2019-06-25
- Updated: 2022-06-27
- Resolved: 2019-08-22
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| JDK 11 | JDK 13 | JDK 14 | Other |
|---|---|---|---|
| 11.0.6Fixed | 13.0.4Fixed | 14 b12Fixed  |
openjdk8u262Fixed |
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Description
Today, there is no testing of JFR API from a Java agent. There is a test caledl EvilInstrument.java, but It doesn't start JFR programmatically It only instruments JDK code that JFR also tries to instrument. The new test: - Should start a recording - Commit 1 000 000 events from 5 different threads. This will fill some global buffers and provoke a chunk rotation. The events should contain: - stack trace - a class field - a thread field (assigned with a started thread) - a string field (assigned with a string of more than 20 characters) The above will provoke constant pools early. - Stop the recording - Dump the file - Verify the file is correct (in process) - Transfer recording over JMX to another process and verify that it is correct. All operations should happen before the main method is started. Using a Java agent is a common scenario for tools vendors and should explicitly be tested.
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