8354424: java/util/logging/LoggingDeadlock5.java fails intermittently in tier6

Reviewed-by: dfuchs, smarks

Author: david-beaumont

test/jdk/ProblemList.txt

@@ -737,7 +737,6 @@ com/sun/jdi/InvokeHangTest.java                                 8218463 linux-al
 
 # jdk_util
 java/util/zip/CloseInflaterDeflaterTest.java  8339216 linux-s390x
-java/util/logging/LoggingDeadlock5.java       8354424 generic-all
 
 ############################################################################
 

test/jdk/java/util/logging/LoggingDeadlock5.java

@@ -25,11 +25,14 @@
  * @test
  * @bug     8349206
  * @summary j.u.l.Handler classes create deadlock risk via synchronized publish() method.
+ * @library /test/lib
  * @modules java.base/sun.util.logging
  *          java.logging
  * @run main/othervm LoggingDeadlock5
  */
 
+import jdk.test.lib.Utils;
+
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
@@ -115,7 +118,13 @@ static void assertNoDeadlock(Handler handler) throws InterruptedException, Unsup
     }
 
     private static class DeadLocker {
-        private final static Duration JOIN_WAIT = Duration.ofMillis(500);
+        // Since this is used to self-test for an expected deadlock, it will
+        // delay the test by at least this duration (so being overly large is
+        // a potential issue). The deadlock is set up so it should occur almost
+        // immediately (if it occurs), but tests are run under very high loads
+        // in higher tiers, so it's necessary to be a bit pessimistic here.
+        private final static Duration JOIN_WAIT =
+                Duration.ofMillis(Utils.adjustTimeout(2000));
 
         private final Semaphore readyToDeadlock = new Semaphore(0);
         private final Semaphore userLockIsHeld = new Semaphore(0);