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test/gc/g1/TestGCLogMessages.java

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  21  * questions.
  22  */
  23 
  24 /*
  25  * @test TestGCLogMessages
  26  * @bug 8035406 8027295 8035398 8019342 8027959 8048179 8027962 8069330
  27  * @summary Ensure the output for a minor GC with G1
  28  * includes the expected necessary messages.
  29  * @key gc
  30  * @library /testlibrary
  31  * @modules java.base/sun.misc
  32  *          java.management
  33  */
  34 
  35 import jdk.test.lib.ProcessTools;
  36 import jdk.test.lib.OutputAnalyzer;
  37 
  38 public class TestGCLogMessages {
  39 
  40     private enum Level {
  41         OFF, DEBUG, TRACE;
  42         public boolean lessOrEqualTo(Level other) {
  43             return this.compareTo(other) < 0;
  44         }
  45     }
  46 
  47     private class LogMessageWithLevel {
  48         String message;
  49         Level level;
  50 
  51         public LogMessageWithLevel(String message, Level level) {
  52             this.message = message;
  53             this.level = level;
  54         }
  55     };
  56 
  57     private LogMessageWithLevel allLogMessages[] = new LogMessageWithLevel[] {
  58         // Update RS
  59         new LogMessageWithLevel("Scan HCC", Level.DEBUG),
  60         // Ext Root Scan
  61         new LogMessageWithLevel("Thread Roots:", Level.DEBUG),
  62         new LogMessageWithLevel("StringTable Roots:", Level.DEBUG),
  63         new LogMessageWithLevel("Universe Roots:", Level.DEBUG),
  64         new LogMessageWithLevel("JNI Handles Roots:", Level.DEBUG),
  65         new LogMessageWithLevel("ObjectSynchronizer Roots:", Level.DEBUG),
  66         new LogMessageWithLevel("FlatProfiler Roots", Level.DEBUG),
  67         new LogMessageWithLevel("Management Roots", Level.DEBUG),
  68         new LogMessageWithLevel("SystemDictionary Roots", Level.DEBUG),
  69         new LogMessageWithLevel("CLDG Roots", Level.DEBUG),
  70         new LogMessageWithLevel("JVMTI Roots", Level.DEBUG),
  71         new LogMessageWithLevel("SATB Filtering", Level.DEBUG),
  72         new LogMessageWithLevel("CM RefProcessor Roots", Level.DEBUG),
  73         new LogMessageWithLevel("Wait For Strong CLD", Level.DEBUG),
  74         new LogMessageWithLevel("Weak CLD Roots", Level.DEBUG),
  75         // Redirty Cards
  76         new LogMessageWithLevel("Redirty Cards", Level.DEBUG),
  77         new LogMessageWithLevel("Parallel Redirty", Level.DEBUG),
  78         new LogMessageWithLevel("Redirtied Cards", Level.DEBUG),
  79         // Misc Top-level
  80         new LogMessageWithLevel("Code Root Purge", Level.DEBUG),
  81         new LogMessageWithLevel("String Dedup Fixup", Level.DEBUG),
  82         new LogMessageWithLevel("Expand Heap After Collection", Level.DEBUG),
  83         // Free CSet
  84         new LogMessageWithLevel("Young Free CSet", Level.TRACE),
  85         new LogMessageWithLevel("Non-Young Free CSet", Level.TRACE),
  86         // Humongous Eager Reclaim
  87         new LogMessageWithLevel("Humongous Reclaim", Level.DEBUG),
  88         new LogMessageWithLevel("Humongous Register", Level.DEBUG),
  89     };
  90 
  91     void checkMessagesAtLevel(OutputAnalyzer output, LogMessageWithLevel messages[], Level level) throws Exception {
  92         for (LogMessageWithLevel l : messages) {
  93             if (level.lessOrEqualTo(l.level)) {
  94                 output.shouldNotContain(l.message);
  95             } else {
  96                 output.shouldContain(l.message);
  97             }
  98         }
  99     }
 100 
 101     public static void main(String[] args) throws Exception {
 102         new TestGCLogMessages().testNormalLogs();
 103         new TestGCLogMessages().testWithToSpaceExhaustionLogs();
 104     }
 105 




  21  * questions.
  22  */
  23 
  24 /*
  25  * @test TestGCLogMessages
  26  * @bug 8035406 8027295 8035398 8019342 8027959 8048179 8027962 8069330
  27  * @summary Ensure the output for a minor GC with G1
  28  * includes the expected necessary messages.
  29  * @key gc
  30  * @library /testlibrary
  31  * @modules java.base/sun.misc
  32  *          java.management
  33  */
  34 
  35 import jdk.test.lib.ProcessTools;
  36 import jdk.test.lib.OutputAnalyzer;
  37 
  38 public class TestGCLogMessages {
  39 
  40     private enum Level {
  41         OFF, INFO, DEBUG, TRACE;
  42         public boolean lessOrEqualTo(Level other) {
  43             return this.compareTo(other) < 0;
  44         }
  45     }
  46 
  47     private class LogMessageWithLevel {
  48         String message;
  49         Level level;
  50 
  51         public LogMessageWithLevel(String message, Level level) {
  52             this.message = message;
  53             this.level = level;
  54         }
  55     };
  56 
  57     private LogMessageWithLevel allLogMessages[] = new LogMessageWithLevel[] {
  58         // Update RS
  59         new LogMessageWithLevel("Scan HCC", Level.TRACE),
  60         // Ext Root Scan
  61         new LogMessageWithLevel("Thread Roots", Level.TRACE),
  62         new LogMessageWithLevel("StringTable Roots", Level.TRACE),
  63         new LogMessageWithLevel("Universe Roots", Level.TRACE),
  64         new LogMessageWithLevel("JNI Handles Roots", Level.TRACE),
  65         new LogMessageWithLevel("ObjectSynchronizer Roots", Level.TRACE),
  66         new LogMessageWithLevel("FlatProfiler Roots", Level.TRACE),
  67         new LogMessageWithLevel("Management Roots", Level.TRACE),
  68         new LogMessageWithLevel("SystemDictionary Roots", Level.TRACE),
  69         new LogMessageWithLevel("CLDG Roots", Level.TRACE),
  70         new LogMessageWithLevel("JVMTI Roots", Level.TRACE),
  71         new LogMessageWithLevel("SATB Filtering", Level.TRACE),
  72         new LogMessageWithLevel("CM RefProcessor Roots", Level.TRACE),
  73         new LogMessageWithLevel("Wait For Strong CLD", Level.TRACE),
  74         new LogMessageWithLevel("Weak CLD Roots", Level.TRACE),
  75         // Redirty Cards
  76         new LogMessageWithLevel("Redirty Cards", Level.DEBUG),
  77         new LogMessageWithLevel("Parallel Redirty", Level.TRACE),
  78         new LogMessageWithLevel("Redirtied Cards", Level.TRACE),
  79         // Misc Top-level
  80         new LogMessageWithLevel("Code Roots Purge", Level.DEBUG),
  81         new LogMessageWithLevel("String Dedup Fixup", Level.INFO),
  82         new LogMessageWithLevel("Expand Heap After Collection", Level.INFO),
  83         // Free CSet
  84         new LogMessageWithLevel("Young Free Collection Set", Level.DEBUG),
  85         new LogMessageWithLevel("Non-Young Free Collection Set", Level.DEBUG),
  86         // Humongous Eager Reclaim
  87         new LogMessageWithLevel("Humongous Reclaim", Level.DEBUG),
  88         new LogMessageWithLevel("Humongous Register", Level.DEBUG),
  89     };
  90 
  91     void checkMessagesAtLevel(OutputAnalyzer output, LogMessageWithLevel messages[], Level level) throws Exception {
  92         for (LogMessageWithLevel l : messages) {
  93             if (level.lessOrEqualTo(l.level)) {
  94                 output.shouldNotContain(l.message);
  95             } else {
  96                 output.shouldContain(l.message);
  97             }
  98         }
  99     }
 100 
 101     public static void main(String[] args) throws Exception {
 102         new TestGCLogMessages().testNormalLogs();
 103         new TestGCLogMessages().testWithToSpaceExhaustionLogs();
 104     }
 105 


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