test/gc/shenandoah/TestHumongousThreshold.java

rev 10790 : [backport] Prefix Shenandoah tests with "Test"

*** 1,7 ****
  /*
!  * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates.
   *
   * 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.
   *
--- 1,7 ----
  /*
!  * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
   *
   * 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.
   *
*** 20,56 ****
   * questions.
   *
   */
  
  /*
!  * @test HumongousThreshold
   *
!  * @run main/othervm -XX:+UseShenandoahGC -Xmx1g                                                                       -XX:+UnlockDiagnosticVMOptions -XX:+ShenandoahVerify HumongousThreshold
!  * @run main/othervm -XX:+UseShenandoahGC -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:ShenandoahHumongousThreshold=50  -XX:+UnlockDiagnosticVMOptions -XX:+ShenandoahVerify HumongousThreshold
!  * @run main/othervm -XX:+UseShenandoahGC -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:ShenandoahHumongousThreshold=90  -XX:+UnlockDiagnosticVMOptions -XX:+ShenandoahVerify HumongousThreshold
!  * @run main/othervm -XX:+UseShenandoahGC -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:ShenandoahHumongousThreshold=99  -XX:+UnlockDiagnosticVMOptions -XX:+ShenandoahVerify HumongousThreshold
!  * @run main/othervm -XX:+UseShenandoahGC -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:ShenandoahHumongousThreshold=100 -XX:+UnlockDiagnosticVMOptions -XX:+ShenandoahVerify HumongousThreshold
   *
!  * @run main/othervm -XX:+UseShenandoahGC -Xmx1g -XX:+UnlockExperimentalVMOptions -XX:ShenandoahHumongousThreshold=90
!  *                   -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive HumongousThreshold
   */
  
  import java.util.Random;
  
! public class HumongousThreshold {
  
    static final long TARGET_MB = Long.getLong("target", 20_000); // 20 Gb allocation
  
    static volatile Object sink;
  
    public static void main(String[] args) throws Exception {
      final int min = 0;
!     final int max = 384*1024;
!     long count = TARGET_MB * 1024 * 1024 / (16 + 4*(min + (max-min)/2));
  
      Random r = new Random();
      for (long c = 0; c < count; c++) {
!       sink = new int[min + r.nextInt(max-min)];
      }
    }
  
  }
--- 20,56 ----
   * questions.
   *
   */
  
  /*
!  * @test TestHumongousThreshold
!  * @key gc
   *
!  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g                                      -XX:+ShenandoahVerify TestHumongousThreshold
!  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -XX:ShenandoahHumongousThreshold=50  -XX:+ShenandoahVerify TestHumongousThreshold
!  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -XX:ShenandoahHumongousThreshold=90  -XX:+ShenandoahVerify TestHumongousThreshold
!  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -XX:ShenandoahHumongousThreshold=99  -XX:+ShenandoahVerify TestHumongousThreshold
!  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -XX:ShenandoahHumongousThreshold=100 -XX:+ShenandoahVerify TestHumongousThreshold
   *
!  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -XX:ShenandoahHumongousThreshold=90  -XX:ShenandoahGCHeuristics=aggressive TestHumongousThreshold
   */
  
  import java.util.Random;
  
! public class TestHumongousThreshold {
  
      static final long TARGET_MB = Long.getLong("target", 20_000); // 20 Gb allocation
  
      static volatile Object sink;
  
      public static void main(String[] args) throws Exception {
          final int min = 0;
!         final int max = 384 * 1024;
!         long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
  
          Random r = new Random();
          for (long c = 0; c < count; c++) {
!             sink = new int[min + r.nextInt(max - min)];
          }
      }
  
  }