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

@@ -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.

@@ -75,26 +76,26 @@
   *      -Dtarget=100
   *      TestGCThreadGroups
   */
  
  /**
-  * @test id=iu
+  * @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:ShenandoahGCMode=iu
+  *      -XX:+UseShenandoahGC
   *      -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
-  *      -Dtarget=1000
+  *      -Dtarget=1000 -XX:ShenandoahGCMode=generational
   *      TestGCThreadGroups
   *
   * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
-  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
-  *      -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
-  *      -Dtarget=1000
+  *      -XX:+UseShenandoahGC
+  *      -XX:-UseDynamicNumberOfGCThreads
+  *      -Dtarget=1000 -XX:ShenandoahGCMode=generational
   *      TestGCThreadGroups
- */
+  */
  
  public class TestGCThreadGroups {
  
      static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation, around 1K cycles to handle
      static final long STRIDE = 100_000;