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  1. JDK
  2. JDK-8239354

Shenandoah: minor enhancements to traversal GC

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    • gc
    • b13

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        1) Added assertion to catch evacuation after completion of heap traversal. This should help catch the bug demonstrated in sh-jdk11 w/o JDK-8237396.

        2) Retire TLAB/GCLAB after completion of heap traversal. Current code retires TLAB/GCLAB at the beginning final traversal, but STW traversal still uses GCLAB to evacuate remaining objects.

        3) Added comments regarding why need to retire TLAB/GCLAB, even we don't need heap to be parsable.

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            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. JDK-8240619 Shenandoah: minor enhancements to traversal GC

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

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                zgu Zhengyu Gu
                zgu Zhengyu Gu
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