RFR: JDK-8307314: Implementation: Generational Shenandoah (Experimental) [v7]

[Kelvin Nilsen]

On Tue, 6 Jun 2023 21:43:36 GMT, Kelvin Nilsen <kdnilsen at openjdk.org> wrote:

>> test/hotspot/jtreg/gc/shenandoah/TestEvilSyncBug.java line 33:
>> 
>>> 31:  * @modules java.base/jdk.internal.misc
>>> 32:  *          java.management
>>> 33:  * @run driver/timeout=480 TestEvilSyncBug -XX:ShenandoahGCHeuristics=aggressive
>> 
>> Probably fine, but why this change to non-generational testing? Will aggressive heuristic sharpen the test?
>
> We moved this argument from the source code (original line 64) to here so that we can invoke the test differently in generational mode.

See line 64 of the original source code.  We did not change the behavior.  We only changed how the behavior is realized.  This enables generalization of the test to generational mode.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14185#discussion_r1220418431