test/gc/logging/TestPrintReferences.java

rev 13328 : [mq]: webrev.0b
rev 13329 : [mq]: webrev.1
rev 13330 : imported patch webrev.2
rev 13331 : imported patch webrev.3b

*** 1,7 ****
  /*
!  * Copyright (c) 2015, 2016, Oracle and/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.
--- 1,7 ----
  /*
!  * Copyright (c) 2015, 2017, Oracle and/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.
*** 29,61 ****
   * @library /test/lib
   * @modules java.base/jdk.internal.misc
   *          java.management
   */
  
  import jdk.test.lib.process.OutputAnalyzer;
  import jdk.test.lib.process.ProcessTools;
  
  public class TestPrintReferences {
    public static void main(String[] args) throws Exception {
!     ProcessBuilder pb_enabled =
!       ProcessTools.createJavaProcessBuilder("-Xlog:gc+ref=debug", "-Xmx10M", GCTest.class.getName());
      OutputAnalyzer output = new OutputAnalyzer(pb_enabled.start());
  
!     String countRegex = "[0-9]+ refs";
      String timeRegex = "[0-9]+[.,][0-9]+ms";
! 
!     output.shouldMatch(".* GC\\([0-9]+\\) SoftReference " + timeRegex + "\n" +
!                        ".* GC\\([0-9]+\\) WeakReference " + timeRegex + "\n" +
!                        ".* GC\\([0-9]+\\) FinalReference " + timeRegex + "\n" +
!                        ".* GC\\([0-9]+\\) PhantomReference " + timeRegex + "\n" +
!                        ".* GC\\([0-9]+\\) JNI Weak Reference " + timeRegex + "\n" +
!                        ".* GC\\([0-9]+\\) Ref Counts: Soft: [0-9]+ Weak: [0-9]+ Final: [0-9]+ Phantom: [0-9]+\n");
  
      output.shouldHaveExitValue(0);
    }
  
    static class GCTest {
      public static void main(String [] args) {
!       System.gc();
      }
    }
  }
--- 29,103 ----
   * @library /test/lib
   * @modules java.base/jdk.internal.misc
   *          java.management
   */
  
+ import java.lang.ref.SoftReference;
+ import java.util.ArrayList;
+ 
  import jdk.test.lib.process.OutputAnalyzer;
  import jdk.test.lib.process.ProcessTools;
  
  public class TestPrintReferences {
    public static void main(String[] args) throws Exception {
!     ProcessBuilder pb_enabled = ProcessTools.createJavaProcessBuilder("-Xlog:gc+phases+ref=debug",
!                                                                       "-XX:+UseG1GC",
!                                                                       "-Xmx10M",
!                                                                       GCTest.class.getName());
      OutputAnalyzer output = new OutputAnalyzer(pb_enabled.start());
  
!     String indent_4 = "    ";
!     String indent_6 = "      ";
!     String indent_8 = "        ";
!     String gcLogTimeRegex = ".* GC\\([0-9]+\\) ";
!     String countRegex = "[0-9]+";
      String timeRegex = "[0-9]+[.,][0-9]+ms";
!     String totalRegex = gcLogTimeRegex + indent_4 + "Reference Processing: " + timeRegex + "\n";
!     String balanceRegex = gcLogTimeRegex + indent_8 + "Balance queues: " + timeRegex + "\n";
!     String softRefRegex = gcLogTimeRegex + indent_6 + "SoftReference: " + timeRegex + "\n";
!     String weakRefRegex = gcLogTimeRegex + indent_6 + "WeakReference: " + timeRegex + "\n";
!     String finalRefRegex = gcLogTimeRegex + indent_6 + "FinalReference: " + timeRegex + "\n";
!     String phantomRefRegex = gcLogTimeRegex + indent_6 + "PhantomReference: " + timeRegex + "\n";
!     String refDetailRegex = gcLogTimeRegex + indent_8 + "Phase2: " + timeRegex + "\n" +
!                             gcLogTimeRegex + indent_8 + "Phase3: " + timeRegex + "\n" +
!                             gcLogTimeRegex + indent_8 + "Discovered: " + countRegex + "\n" +
!                             gcLogTimeRegex + indent_8 + "Cleared: " + countRegex + "\n";
!     String softRefDetailRegex = gcLogTimeRegex + indent_8 + "Phase1: " + timeRegex + "\n" + refDetailRegex;
!     String enqueueRegex = gcLogTimeRegex + indent_4 + "Reference Enqueuing: " + timeRegex + "\n";
!     String enqueueDetailRegex = gcLogTimeRegex + indent_6 + "Reference Counts:  Soft: " + countRegex +
!                                 "  Weak: " + countRegex + "  Final: " + countRegex + "  Phantom: " + countRegex + "\n";
! 
!     output.shouldMatch(/* Total Reference processing time */
!                        totalRegex +
!                        /* SoftReference processing */
!                        softRefRegex + balanceRegex + softRefDetailRegex +
!                        /* WeakReference processing */
!                        weakRefRegex + balanceRegex + refDetailRegex +
!                        /* FinalReference processing */
!                        finalRefRegex + balanceRegex + refDetailRegex +
!                        /* PhantomReference processing */
!                        phantomRefRegex + balanceRegex + refDetailRegex +
!                        /* Total Enqueuing time */
!                        enqueueRegex +
!                          /* Enqueued Stats */
!                        enqueueDetailRegex
!                        );
  
      output.shouldHaveExitValue(0);
    }
  
    static class GCTest {
+     static final int M = 1024 * 1024;
+ 
      public static void main(String [] args) {
! 
!       ArrayList arrSoftRefs = new ArrayList();
! 
!       // Populate to triger GC and then Reference related logs will be printed.
!       for (int i = 0; i < 10; i++) {
!         byte[] tmp = new byte[M];
! 
!         arrSoftRefs.add(new SoftReference(tmp));
!       }
      }
    }
  }