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

@@ -1,7 +1,8 @@
  /*
   * Copyright (c) 2016, 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.

@@ -21,17 +22,27 @@
   * questions.
   *
   */
  
  /*
-  * @test
+  * @test id=default
   * @summary Tests for crash/assert when attaching init thread during shutdown
   * @requires vm.gc.Shenandoah
   * @library /test/lib
   * @modules java.base/jdk.internal.misc
   *          java.management
-  * @run driver/timeout=480 TestEvilSyncBug
+  * @run driver/timeout=480 TestEvilSyncBug -XX:ShenandoahGCHeuristics=aggressive
+  */
+ 
+ /*
+  * @test id=generational
+  * @summary Tests for crash/assert when attaching init thread during shutdown
+  * @requires vm.gc.Shenandoah
+  * @library /test/lib
+  * @modules java.base/jdk.internal.misc
+  *          java.management
+  * @run driver/timeout=480 TestEvilSyncBug -XX:ShenandoahGCMode=generational
   */
  
  import java.util.*;
  import java.util.concurrent.*;
  import java.util.concurrent.locks.*;

@@ -44,13 +55,14 @@
      private static final int NUM_RUNS = 100;
  
      static Thread[] hooks = new MyHook[10000];
  
      public static void main(String[] args) throws Exception {
-         if (args.length > 0) {
+         if ("test".equals(args[0])) {
              test();
          } else {
+             String options = args[0];
              // Use 1/4 of available processors to avoid over-saturation.
              int numJobs = Math.max(1, Runtime.getRuntime().availableProcessors() / 4);
              ExecutorService pool = Executors.newFixedThreadPool(numJobs);
              Future<?>[] fs = new Future<?>[NUM_RUNS];
  

@@ -59,11 +71,11 @@
                      OutputAnalyzer output = ProcessTools.executeLimitedTestJava("-Xms128m",
                              "-Xmx128m",
                              "-XX:+UnlockExperimentalVMOptions",
                              "-XX:+UnlockDiagnosticVMOptions",
                              "-XX:+UseShenandoahGC",
-                             "-XX:ShenandoahGCHeuristics=aggressive",
+                             options,
                              "TestEvilSyncBug", "test");
                      output.shouldHaveExitValue(0);
                      return null;
                  };
                  fs[c] = pool.submit(task);