< prev index next >

test/gc/shenandoah/TestAllocHumongousFragment.java

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


  24 /*
  25  * @test TestAllocHumongousFragment
  26  * @summary Make sure Shenandoah can recover from humongous allocation fragmentation
  27  * @key gc
  28  *
  29  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=passive            -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify TestAllocHumongousFragment
  30  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=passive            -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify TestAllocHumongousFragment
  31  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=passive            -XX:+ShenandoahDegeneratedGC                       TestAllocHumongousFragment
  32  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=passive            -XX:-ShenandoahDegeneratedGC                       TestAllocHumongousFragment
  33  *
  34  * @run main/othervm/timeout=240 -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify TestAllocHumongousFragment
  35  * @run main/othervm/timeout=240 -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot  -XX:+ShenandoahVerify TestAllocHumongousFragment
  36  * @run main/othervm/timeout=240 -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot                       TestAllocHumongousFragment
  37  * @run main/othervm/timeout=240 -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot                        TestAllocHumongousFragment
  38  *
  39  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=adaptive     -XX:+ShenandoahVerify TestAllocHumongousFragment
  40  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=static       -XX:+ShenandoahVerify TestAllocHumongousFragment
  41  *
  42  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=adaptive     TestAllocHumongousFragment
  43  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=static       TestAllocHumongousFragment







  44  */
  45 
  46 import java.util.*;
  47 import java.util.concurrent.*;
  48 
  49 public class TestAllocHumongousFragment {
  50 
  51     static final long TARGET_MB = Long.getLong("target", 30_000); // 30 Gb allocations
  52     static final long LIVE_MB   = Long.getLong("occupancy", 700); // 700 Mb alive
  53 
  54     static volatile Object sink;
  55 
  56     static List<int[]> objects;
  57 
  58     public static void main(String[] args) throws Exception {
  59         final int min = 128 * 1024;
  60         final int max = 16 * 1024 * 1024;
  61         final long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
  62 
  63         objects = new ArrayList<>();



  24 /*
  25  * @test TestAllocHumongousFragment
  26  * @summary Make sure Shenandoah can recover from humongous allocation fragmentation
  27  * @key gc
  28  *
  29  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=passive            -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify TestAllocHumongousFragment
  30  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=passive            -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify TestAllocHumongousFragment
  31  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=passive            -XX:+ShenandoahDegeneratedGC                       TestAllocHumongousFragment
  32  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=passive            -XX:-ShenandoahDegeneratedGC                       TestAllocHumongousFragment
  33  *
  34  * @run main/othervm/timeout=240 -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify TestAllocHumongousFragment
  35  * @run main/othervm/timeout=240 -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot  -XX:+ShenandoahVerify TestAllocHumongousFragment
  36  * @run main/othervm/timeout=240 -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot                       TestAllocHumongousFragment
  37  * @run main/othervm/timeout=240 -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot                        TestAllocHumongousFragment
  38  *
  39  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=adaptive     -XX:+ShenandoahVerify TestAllocHumongousFragment
  40  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=static       -XX:+ShenandoahVerify TestAllocHumongousFragment
  41  *
  42  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=adaptive     TestAllocHumongousFragment
  43  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCHeuristics=static       TestAllocHumongousFragment
  44  *
  45  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify TestAllocHumongousFragment
  46  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify TestAllocHumongousFragment
  47  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot TestAllocHumongousFragment
  48  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot TestAllocHumongousFragment
  49  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=traversal -XX:+ShenandoahVerify TestAllocHumongousFragment
  50  * @run main/othervm -verbose:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048 -XX:ShenandoahGCMode=traversal TestAllocHumongousFragment
  51  */
  52 
  53 import java.util.*;
  54 import java.util.concurrent.*;
  55 
  56 public class TestAllocHumongousFragment {
  57 
  58     static final long TARGET_MB = Long.getLong("target", 30_000); // 30 Gb allocations
  59     static final long LIVE_MB   = Long.getLong("occupancy", 700); // 700 Mb alive
  60 
  61     static volatile Object sink;
  62 
  63     static List<int[]> objects;
  64 
  65     public static void main(String[] args) throws Exception {
  66         final int min = 128 * 1024;
  67         final int max = 16 * 1024 * 1024;
  68         final long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
  69 
  70         objects = new ArrayList<>();
< prev index next >