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

/*
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 * accompanied this code).
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#include "logging/log.hpp"
#include "logging/logStream.hpp"
#include "memory/metaspace/metaspaceSettings.hpp"
#include "runtime/globals.hpp"
#include "runtime/java.hpp"
#include "runtime/os.hpp"
#include "utilities/debug.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/powerOfTwo.hpp"

namespace metaspace {

void Settings::ergo_initialize() {

  // Granules must be a multiple of page size, and a power-2-value.
  assert(_commit_granule_bytes >= os::vm_page_size() &&
         is_aligned(_commit_granule_bytes, os::vm_page_size()),
         "Granule size must be a page-size-aligned power-of-2 value");
  assert(commit_granule_words() <= chunklevel::MAX_CHUNK_WORD_SIZE, "Too large granule size");

  LogStream ls(Log(metaspace)::info());
  Settings::print_on(&ls);
}

void Settings::print_on(outputStream* st) {
  st->print_cr(" - commit_granule_bytes: %zu.", commit_granule_bytes());
  st->print_cr(" - commit_granule_words: %zu.", commit_granule_words());
  st->print_cr(" - virtual_space_node_default_size: %zu.", virtual_space_node_default_word_size());
  st->print_cr(" - enlarge_chunks_in_place: %d.", (int)enlarge_chunks_in_place());
}

} // namespace metaspace