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 30 namespace metaspace { 31 32 void 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. 42 size_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. 52 uintx 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