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  1. Java Mission Control
  2. JMC-7201

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

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      Description

        The attribute switch rate has different units in flight recordings from different versions of JDK.

         

        For ex: Flight recordings from JDK 7 and JDK 8 are shown as Number whereas from JDK 11 and JDK 16 are shown as frequency. Screenshots attached.

         

        When we use JMC Core APIs, the attribute switchRate is not available for JFRs recorded using JDK 11 and above.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JMC-7255 JdkAttributes.OS_SWITCH_RATE does not work consistently across JFRs from different JDK versions.

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JMC-7645 JdkAttributes.OS_SWITCH_RATE does not work consistently across JFRs from different JDK versions.

            • P3 - Major loss of function.
            • Resolved
            duplicates

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JMC-7255 JdkAttributes.OS_SWITCH_RATE does not work consistently across JFRs from different JDK versions.

            • P3 - Major loss of function.
            • Resolved
            links to

            Commit Commit openjdk/jmc/af9df262

            Review Review openjdk/jmc/246

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                schaturvedi Suchita Chaturvedi
                shadowbug Shadow Bug
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                  Created:
                  Updated:
                  Resolved: