added comment to failing console test.
diff --git a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/AbstractDebugPerformanceTest.java b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/AbstractDebugPerformanceTest.java
index 166d2c1..351007f 100644
--- a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/AbstractDebugPerformanceTest.java
+++ b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/AbstractDebugPerformanceTest.java
@@ -134,4 +134,13 @@
 	protected void assertPerformanceInRelativeBand(Dimension dim, int lowerPercentage, int upperPercentage) {
 		Performance.getDefault().assertPerformanceInRelativeBand(fPerformanceMeter, dim, lowerPercentage, upperPercentage);
 	}
+    
+    /**
+     * Sets a comment to explain performance degradation.
+     * @param comment the explanation for a performance degradation.
+     */
+    protected void setComment(String comment) {
+        Performance performance = Performance.getDefault();
+        performance.setComment(fPerformanceMeter, Performance.EXPLAINS_DEGRADATION_COMMENT, comment);
+    }
 }
diff --git a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/performance/PerfConsoleTests.java b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/performance/PerfConsoleTests.java
index e0ebc11..f200e6c 100644
--- a/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/performance/PerfConsoleTests.java
+++ b/org.eclipse.jdt.debug.tests/tests/org/eclipse/jdt/debug/tests/performance/PerfConsoleTests.java
@@ -51,6 +51,7 @@
     public void testProcessConsoleStackTraceOutput10000Lines() throws Exception {
         tagAsSummary("Process Console 10,000 lines: stack trace output", Dimension.ELAPSED_PROCESS);
         runStackTrace(5000, 10); // 2 lines * 5000 repeats = 10000 lines
+        setComment("Eclipse 3.1 uses the console plugin's regex pattern matching support to detect stack trace hyperlinks.");
     }
 
     public void testProcessConsoleWrappedOutput10000Lines() throws Exception {