test/compiler/whitebox/AllocationCodeBlobTest.java

rev 7349 : 8064669: compiler/whitebox/AllocationCodeBlobTest.java crashes / asserts
Reviewed-by:

*** 27,40 ****
  import java.util.ArrayList;
  
  import sun.hotspot.WhiteBox;
  import sun.hotspot.code.BlobType;
  import com.oracle.java.testlibrary.Asserts;
  
  /*
   * @test AllocationCodeBlobTest
!  * @bug 8059624
   * @library /testlibrary /testlibrary/whitebox
   * @build AllocationCodeBlobTest
   * @run main ClassFileInstaller sun.hotspot.WhiteBox
   *                              sun.hotspot.WhiteBox$WhiteBoxPermission
   * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
--- 27,41 ----
  import java.util.ArrayList;
  
  import sun.hotspot.WhiteBox;
  import sun.hotspot.code.BlobType;
  import com.oracle.java.testlibrary.Asserts;
+ import com.oracle.java.testlibrary.InfiniteLoop;
  
  /*
   * @test AllocationCodeBlobTest
!  * @bug 8059624 8064669
   * @library /testlibrary /testlibrary/whitebox
   * @build AllocationCodeBlobTest
   * @run main ClassFileInstaller sun.hotspot.WhiteBox
   *                              sun.hotspot.WhiteBox$WhiteBoxPermission
   * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
*** 51,65 ****
              = WHITE_BOX.getUintxVMFlag("ReservedCodeCacheSize");
      private static final int SIZE = 1;
  
      public static void main(String[] args) {
          // check that Sweeper handels dummy blobs correctly
!         new ForcedSweeper(500).start();
          EnumSet<BlobType> blobTypes = BlobType.getAvailable();
          for (BlobType type : blobTypes) {
              new AllocationCodeBlobTest(type).test();
          }
      }
  
      private final BlobType type;
      private final MemoryPoolMXBean bean;
      private AllocationCodeBlobTest(BlobType type) {
--- 52,87 ----
              = WHITE_BOX.getUintxVMFlag("ReservedCodeCacheSize");
      private static final int SIZE = 1;
  
      public static void main(String[] args) {
          // check that Sweeper handels dummy blobs correctly
!         Thread t = new Thread(
!                 new InfiniteLoop(WHITE_BOX::forceNMethodSweep, 1L),
!                 "ForcedSweeper");
!         t.setDaemon(true);
!         System.out.println("Starting " + t.getName());
!         t.start();
! 
          EnumSet<BlobType> blobTypes = BlobType.getAvailable();
          for (BlobType type : blobTypes) {
              new AllocationCodeBlobTest(type).test();
          }
+ 
+         // check that deoptimization works well w/ dummy blobs
+         t = new Thread(
+                 new InfiniteLoop(WHITE_BOX::deoptimizeAll, 1L),
+                 "Deoptimize Thread");
+         t.setDaemon(true);
+         System.out.println("Starting " + t.getName());
+         t.start();
+ 
+         for (int i = 0; i < 10_000; ++i) {
+             for (BlobType type : blobTypes) {
+                 long addr = WHITE_BOX.allocateCodeBlob(SIZE, type.id);
+             }
+         }
+ 
      }
  
      private final BlobType type;
      private final MemoryPoolMXBean bean;
      private AllocationCodeBlobTest(BlobType type) {
*** 103,128 ****
      }
  
      private long getUsage() {
          return bean.getUsage().getUsed();
      }
- 
-     private static class ForcedSweeper extends Thread {
-         private final int millis;
-         public ForcedSweeper(int millis) {
-             super("ForcedSweeper");
-             setDaemon(true);
-             this.millis = millis;
-         }
-         public void run() {
-             try {
-                 while (true) {
-                     WHITE_BOX.forceNMethodSweep();
-                     Thread.sleep(millis);
-                 }
-             } catch (InterruptedException e) {
-                 Thread.currentThread().interrupt();
-                 throw new Error(e);
-             }
-         }
-     }
  }
--- 125,130 ----