/*

 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "memory/metaspace/smallBlocks.hpp"

#include "utilities/globalDefinitions.hpp"

#include "utilities/ostream.hpp"

namespace metaspace {

void SmallBlocks::print_on(outputStream* st) const {

  st->print_cr("SmallBlocks:");

  for (uint i = _small_block_min_word_size; i < _small_block_max_word_size; i++) {

    uint k = i - _small_block_min_word_size;

    st->print_cr("small_lists size " SIZE_FORMAT " count " SIZE_FORMAT, _small_lists[k].size(), _small_lists[k].count());

  }

}

// Returns the total size, in words, of all blocks, across all block sizes.

size_t SmallBlocks::total_size() const {

  size_t result = 0;

  for (uint i = _small_block_min_word_size; i < _small_block_max_word_size; i++) {

    uint k = i - _small_block_min_word_size;

    result = result + _small_lists[k].count() * _small_lists[k].size();

  }

  return result;

}

// Returns the total number of all blocks across all block sizes.

uintx SmallBlocks::total_num_blocks() const {

  uintx result = 0;

  for (uint i = _small_block_min_word_size; i < _small_block_max_word_size; i++) {

    uint k = i - _small_block_min_word_size;

    result = result + _small_lists[k].count();

  }

  return result;

}

} // namespace metaspace