1/*
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24#include "precompiled.hpp"
25
26#include "memory/metaspace/smallBlocks.hpp"
27#include "utilities/globalDefinitions.hpp"
28#include "utilities/ostream.hpp"
29
30namespace metaspace {
31
32void SmallBlocks::print_on(outputStream* st) const {
33 st->print_cr("SmallBlocks:");
34 for (uint i = _small_block_min_size; i < _small_block_max_size; i++) {
35 uint k = i - _small_block_min_size;
36 st->print_cr("small_lists size " SIZE_FORMAT " count " SIZE_FORMAT, _small_lists[k].size(), _small_lists[k].count());
37 }
38}
39
40
41// Returns the total size, in words, of all blocks, across all block sizes.
42size_t SmallBlocks::total_size() const {
43 size_t result = 0;
44 for (uint i = _small_block_min_size; i < _small_block_max_size; i++) {
45 uint k = i - _small_block_min_size;
46 result = result + _small_lists[k].count() * _small_lists[k].size();
47 }
48 return result;
49}
50
51// Returns the total number of all blocks across all block sizes.
52uintx SmallBlocks::total_num_blocks() const {
53 uintx result = 0;
54 for (uint i = _small_block_min_size; i < _small_block_max_size; i++) {
55 uint k = i - _small_block_min_size;
56 result = result + _small_lists[k].count();
57 }
58 return result;
59}
60
61} // namespace metaspace
62
63