test/gc/metaspace/TestMetaspacePerfCounters.java

rev 10588 : 8151460: Metaspace counters can have inconsistent values
Reviewed-by:
rev 10589 : [mq]: meta-rev

*** 82,91 ****
--- 82,94 ----
              assertEQ(counter.longValue(), 0L, msg);
          }
      }
  
      private static void checkUsedIncreasesWhenLoadingClass(String ns) throws Exception {
+         // Need to ensure that used is up to date and that all unreachable
+         // classes are unloaded before doing this check.
+         System.gc();
          long before = getUsed(ns);
          fooClass = compileAndLoad("Foo", "public class Foo { }");
          System.gc();
          long after = getUsed(ns);