src/share/vm/memory/metaspace.cpp

rev 6083 : 8036699: Add trace event when a metaspace allocation fails

@@ -3356,10 +3356,12 @@
 
   // Try to allocate metadata.
   MetaWord* result = loader_data->metaspace_non_null()->allocate(word_size, mdtype);
 
   if (result == NULL) {
+    tracer()->report_metaspace_allocation_failure(loader_data, word_size, type, mdtype);
+
     // Allocation failed.
     if (is_init_completed()) {
       // Only start a GC if the bootstrapping has completed.
 
       // Try to clean out some memory and retry.

@@ -3424,10 +3426,20 @@
   } else {
     THROW_OOP(Universe::out_of_memory_error_metaspace());
   }
 }
 
+const char* Metaspace::metadata_type_name(Metaspace::MetadataType mdtype) {
+  switch (mdtype) {
+    case Metaspace::ClassType: return "Class Type";
+    case Metaspace::NonClassType: return "Non Class Type";
+    default:
+      assert(false, err_msg("Got bad mdtype: %d", (int) mdtype));
+      return NULL;
+  }
+}
+
 void Metaspace::record_allocation(void* ptr, MetaspaceObj::Type type, size_t word_size) {
   assert(DumpSharedSpaces, "sanity");
 
   AllocRecord *rec = new AllocRecord((address)ptr, type, (int)word_size * HeapWordSize);
   if (_alloc_record_head == NULL) {