C++ (Cpp) MetaspaceSummary示例

示例#1

文件： collectedHeap.cpp 项目： 4T-Shirt/OpenJDK-Research

MetaspaceSummary CollectedHeap::create_metaspace_summary() {
  const MetaspaceSizes meta_space(
      MetaspaceAux::allocated_capacity_bytes(),
      MetaspaceAux::allocated_used_bytes(),
      MetaspaceAux::reserved_bytes());
  const MetaspaceSizes data_space(
      MetaspaceAux::allocated_capacity_bytes(Metaspace::NonClassType),
      MetaspaceAux::allocated_used_bytes(Metaspace::NonClassType),
      MetaspaceAux::reserved_bytes(Metaspace::NonClassType));
  const MetaspaceSizes class_space(
      MetaspaceAux::allocated_capacity_bytes(Metaspace::ClassType),
      MetaspaceAux::allocated_used_bytes(Metaspace::ClassType),
      MetaspaceAux::reserved_bytes(Metaspace::ClassType));

  return MetaspaceSummary(meta_space, data_space, class_space);
}

示例#2

文件： collectedHeap.cpp 项目： sourcemirror/jdk-9-hotspot

MetaspaceSummary CollectedHeap::create_metaspace_summary() {
  const MetaspaceSizes meta_space(
      MetaspaceAux::committed_bytes(),
      MetaspaceAux::used_bytes(),
      MetaspaceAux::reserved_bytes());
  const MetaspaceSizes data_space(
      MetaspaceAux::committed_bytes(Metaspace::NonClassType),
      MetaspaceAux::used_bytes(Metaspace::NonClassType),
      MetaspaceAux::reserved_bytes(Metaspace::NonClassType));
  const MetaspaceSizes class_space(
      MetaspaceAux::committed_bytes(Metaspace::ClassType),
      MetaspaceAux::used_bytes(Metaspace::ClassType),
      MetaspaceAux::reserved_bytes(Metaspace::ClassType));

  const MetaspaceChunkFreeListSummary& ms_chunk_free_list_summary =
    MetaspaceAux::chunk_free_list_summary(Metaspace::NonClassType);
  const MetaspaceChunkFreeListSummary& class_chunk_free_list_summary =
    MetaspaceAux::chunk_free_list_summary(Metaspace::ClassType);

  return MetaspaceSummary(MetaspaceGC::capacity_until_GC(), meta_space, data_space, class_space,
                          ms_chunk_free_list_summary, class_chunk_free_list_summary);
}