7201: JdkAttributes.OS_SWITCH_RATE does not work consistently across JFRs from different JDK versions.

[Suchitainf]

This PR addresses the issue of switchRate attribute not accessible via core API when used for JFR generated with JDK 11 and above.

Please review the change and provide your valuable comments.

---

Progress

• Commit message must refer to an issue
• Change must be properly reviewed

Issue

• JMC-7201: JdkAttributes.OS_SWITCH_RATE does not work consistently across JFRs from different JDK versions.

Reviewers

• Marcus Hirt (@thegreystone - Reviewer)

Reviewing

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[openjdk]

@Suchitainf This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

7201: JdkAttributes.OS_SWITCH_RATE does not work consistently across JFRs from different JDK versions.

Reviewed-by: hirt

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 2 new commits pushed to the master branch:

• d708be3: 7164: Add support for hidden classes
• 8653337: 7241: Adjust main pom.xml to more align for 3th party builds

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[thegreystone]

The Oracle type id should be defined in OracleJdkTypeIDsPre11.

[Suchitainf]

The Oracle type id should be defined in OracleJdkTypeIDsPre11.

I feel its already there at line no 181 in OracleJdkTypeIDsPre11 as below:
private final static String CONTEXT_SWITCH_RATE = JVM_EVENT_ID_ROOT + "os/processor/context_switch_rate";

Please let me know if otherwise.

[Suchitainf]

/integrate

[openjdk]

@Suchitainf Since your change was applied there have been 2 commits pushed to the master branch:

• d708be3: 7164: Add support for hidden classes
• 8653337: 7241: Adjust main pom.xml to more align for 3th party builds

Your commit was automatically rebased without conflicts.

Pushed as commit af9df26.

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