--- a/test/hotspot/jtreg/runtime/appcds/sharedStrings/ExerciseGC.java	Fri Aug 10 00:20:15 2018 +0200
+++ b/test/hotspot/jtreg/runtime/appcds/sharedStrings/ExerciseGC.java	Thu Aug 09 15:52:23 2018 -0700
@@ -41,7 +41,7 @@
         SharedStringsUtils.buildJarAndWhiteBox("HelloStringGC");
 
         SharedStringsUtils.dumpWithWhiteBox(TestCommon.list("HelloStringGC"),
-            "SharedStringsBasic.txt");
+            "SharedStringsBasic.txt", "-Xlog:cds,cds+hashtables");
 
         SharedStringsUtils.runWithArchiveAndWhiteBox("HelloStringGC",
             "-XX:+UnlockDiagnosticVMOptions", "-XX:+VerifyBeforeGC");