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test/gc/shenandoah/TestRetainObjects.java

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rev 11461 : [backport] 8226757: Shenandoah: Make traversal and passive modes explicit
rev 11463 : Backport Traversal GC


  25  * @test TestRetainObjects
  26  * @summary Acceptance tests: collector can deal with retained objects
  27  * @key gc
  28  *
  29  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=passive          -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify TestRetainObjects
  30  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=passive          -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify TestRetainObjects
  31  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=passive          -XX:+ShenandoahDegeneratedGC                       TestRetainObjects
  32  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=passive          -XX:-ShenandoahDegeneratedGC                       TestRetainObjects
  33  *
  34  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot TestRetainObjects
  35  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot  TestRetainObjects
  36  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=aggressive                                  TestRetainObjects
  37  *
  38  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=adaptive   -XX:+ShenandoahVerify TestRetainObjects
  39  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=static     -XX:+ShenandoahVerify TestRetainObjects
  40  *
  41  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=adaptive   TestRetainObjects
  42  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=static     TestRetainObjects
  43  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=compact    TestRetainObjects
  44  *






  45  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g                                       -XX:-UseTLAB TestRetainObjects
  46  */
  47 
  48 public class TestRetainObjects {
  49 
  50     static final int COUNT = 10_000_000;
  51     static final int WINDOW = 10_000;
  52 
  53     static final String[] reachable = new String[WINDOW];
  54 
  55     public static void main(String[] args) throws Exception {
  56         int rIdx = 0;
  57         for (int c = 0; c < COUNT; c++) {
  58             reachable[rIdx] = ("LargeString" + c);
  59             rIdx++;
  60             if (rIdx >= WINDOW) {
  61                 rIdx = 0;
  62             }
  63         }
  64     }


  25  * @test TestRetainObjects
  26  * @summary Acceptance tests: collector can deal with retained objects
  27  * @key gc
  28  *
  29  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=passive          -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify TestRetainObjects
  30  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=passive          -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify TestRetainObjects
  31  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=passive          -XX:+ShenandoahDegeneratedGC                       TestRetainObjects
  32  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=passive          -XX:-ShenandoahDegeneratedGC                       TestRetainObjects
  33  *
  34  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot TestRetainObjects
  35  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot  TestRetainObjects
  36  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=aggressive                                  TestRetainObjects
  37  *
  38  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=adaptive   -XX:+ShenandoahVerify TestRetainObjects
  39  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=static     -XX:+ShenandoahVerify TestRetainObjects
  40  *
  41  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=adaptive   TestRetainObjects
  42  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=static     TestRetainObjects
  43  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=compact    TestRetainObjects
  44  *
  45  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot TestRetainObjects
  46  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot TestRetainObjects
  47  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive TestRetainObjects
  48  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=traversal -XX:+ShenandoahVerify TestRetainObjects
  49  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahGCMode=traversal TestRetainObjects
  50  *
  51  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g                                       -XX:-UseTLAB TestRetainObjects
  52  */
  53 
  54 public class TestRetainObjects {
  55 
  56     static final int COUNT = 10_000_000;
  57     static final int WINDOW = 10_000;
  58 
  59     static final String[] reachable = new String[WINDOW];
  60 
  61     public static void main(String[] args) throws Exception {
  62         int rIdx = 0;
  63         for (int c = 0; c < COUNT; c++) {
  64             reachable[rIdx] = ("LargeString" + c);
  65             rIdx++;
  66             if (rIdx >= WINDOW) {
  67                 rIdx = 0;
  68             }
  69         }
  70     }
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