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  1. JDK
  2. JDK-8166208

FlightRecorderOptions settings for defaultrecording ignored.

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    • svc
    • b01

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      Description

        After upgrading from Java 7u95 to 8u102 object allocation metrics are missing
        from JFR recordings when settings=profile is used. The issue exists on
        Solaris but Windows works just fine. The issue is easily repeatable using a
        standalone JVM (simply jconsole w/JFR enabled via
        -XX:+UnlockCommercialFeatures -XX:+FlightRecorder
        -XX:FlightRecorderOptions=defaultrecording=true,disk=true,maxage=90m,stackdepth=512,settings=profile).

        The issue appears to be an issue w/the JVM and not the
        configuration/profile.jfc file as I can successfully obtain object allocation
        metrics on Solaris using a 7u95 JVM with a profile.jfc file taken from an
        8u102 installation, however, the reverse fails (an 8u102 JVM with a
        profile.jfr taken from 7u95 does not collect object allocation metrics).

        For example:
        * JDK 8u102 with the profile.jfr from 8u102 - object allocations stats are missing
        * JDK 7u95 with the profile.jfr from 7u92 - object allocations stats are there
        * JDK 8u102 with the profile.jfr from 7u92 - oject allocation stats are missing
        * JDK 7u95 with the profile.jfr from 8u102 - object allocations are there

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                kevinw Kevin Walls
                shadowbug Shadow Bug
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                  Updated:
                  Resolved: