test/gc/shenandoah/acceptance/StringInternCleanup.java

rev 10545 : [backport] StringInternCleanup times out
rev 10632 : [backport] Passive heuristics should enter degen GC, not full GC
rev 10633 : [backport] Reshuffle tests: verify STW GC is working first, then verify under aggressive, then the rest

*** 23,48 ****
  
  /*
   * @test StringInternCleanup
   * @summary Check that Shenandoah cleans up interned strings
   *
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions                                       -Xmx64m -Xms64m -XX:+ShenandoahVerify StringInternCleanup
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=static     -Xmx64m -Xms64m -XX:+ShenandoahVerify StringInternCleanup
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=adaptive   -Xmx64m -Xms64m -XX:+ShenandoahVerify StringInternCleanup
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=passive    -Xmx64m -Xms64m -XX:+ShenandoahVerify StringInternCleanup
   *
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions                                       -Xmx64m -Xms64m StringInternCleanup
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=static     -Xmx64m -Xms64m StringInternCleanup
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=adaptive   -Xmx64m -Xms64m StringInternCleanup
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=passive    -Xmx64m -Xms64m StringInternCleanup
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=compact    -Xmx64m -Xms64m StringInternCleanup
!  * @run main/othervm/timeout=480 -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -Xmx64m -Xms64m StringInternCleanup
   */
  
  public class StringInternCleanup {
  
!   static final int COUNT = 5_000_000;
    static final int WINDOW = 1_000;
  
    static final String[] reachable = new String[WINDOW];
  
    public static void main(String[] args) throws Exception {
--- 23,52 ----
  
  /*
   * @test StringInternCleanup
   * @summary Check that Shenandoah cleans up interned strings
   *
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=passive      -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify StringInternCleanup
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=passive      -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify StringInternCleanup
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=passive      -XX:+ShenandoahDegeneratedGC                       StringInternCleanup
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=passive      -XX:-ShenandoahDegeneratedGC                       StringInternCleanup
   *
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=aggressive                         StringInternCleanup
! 
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=adaptive     -XX:+ShenandoahVerify StringInternCleanup
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=static       -XX:+ShenandoahVerify StringInternCleanup
!  *
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=adaptive                           StringInternCleanup
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=static                             StringInternCleanup
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ClassUnloadingWithConcurrentMark -Xmx64m -XX:ShenandoahGCHeuristics=compact                            StringInternCleanup
!  *
!  * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:-ClassUnloadingWithConcurrentMark -Xmx64m                                                               StringInternCleanup
   */
  
  public class StringInternCleanup {
  
!   static final int COUNT = 1_000_000;
    static final int WINDOW = 1_000;
  
    static final String[] reachable = new String[WINDOW];
  
    public static void main(String[] args) throws Exception {