8262163: Extend settings printout in jcmd VM.metaspace

Reviewed-by: lucy

Author: tstuefe

src/hotspot/share/memory/metaspace/metaspaceReporter.cpp

@@ -108,8 +108,18 @@ static void print_settings(outputStream* out, size_t scale) {
   if (Metaspace::using_class_space()) {
     out->print("CompressedClassSpaceSize: ");
     print_human_readable_size(out, CompressedClassSpaceSize, scale);
+  } else {
+    out->print("No class space");
   }
   out->cr();
+  out->print("Initial GC threshold: ");
+  print_human_readable_size(out, MetaspaceSize, scale);
+  out->cr();
+  out->print("Current GC threshold: ");
+  print_human_readable_size(out, MetaspaceGC::capacity_until_GC(), scale);
+  out->cr();
+  out->print_cr("CDS: %s", (UseSharedSpaces ? "on" : (DumpSharedSpaces ? "dump" : "off")));
+  out->print_cr("MetaspaceReclaimPolicy: %s", MetaspaceReclaimPolicy);
   Settings::print_on(out);
 }