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test/hotspot/jtreg/gc/shenandoah/TestGCThreadGroups.java

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*** 1,7 ***
--- 1,8 ---
  /*
   * Copyright (c) 2017, 2020, Red Hat, Inc. All rights reserved.
+  * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.

*** 74,10 ***
--- 75,28 ---
   *      -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
   *      -Dtarget=100
   *      TestGCThreadGroups
   */
  
+ /**
+  * @test id=generational
+  * @summary Test Shenandoah GC uses concurrent/parallel threads correctly
+  * @requires vm.gc.Shenandoah
+  *
+  * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+  *      -XX:+UseShenandoahGC
+  *      -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
+  *      -Dtarget=1000 -XX:ShenandoahGCMode=generational
+  *      TestGCThreadGroups
+  *
+  * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+  *      -XX:+UseShenandoahGC
+  *      -XX:-UseDynamicNumberOfGCThreads
+  *      -Dtarget=1000 -XX:ShenandoahGCMode=generational
+  *      TestGCThreadGroups
+  */
+ 
  /**
   * @test id=iu
   * @summary Test Shenandoah GC uses concurrent/parallel threads correctly
   * @requires vm.gc.Shenandoah
   *
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