1 /* 2 * Copyright (c) 2013, 2018, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #include "precompiled.hpp" 25 #include "gc/shenandoah/shenandoahMemoryPool.hpp" 26 27 ShenandoahMemoryPool::ShenandoahMemoryPool(ShenandoahHeap* heap) : 28 CollectedMemoryPool("Shenandoah", 29 heap->capacity(), 30 heap->max_capacity(), 31 true /* support_usage_threshold */), 32 _heap(heap) {} 33 34 MemoryUsage ShenandoahMemoryPool::get_memory_usage() { 35 size_t initial = initial_size(); 36 size_t max = max_size(); 37 size_t used = used_in_bytes(); 38 size_t committed = _heap->committed(); 39 40 assert(initial <= max, "initial: " SIZE_FORMAT ", max: " SIZE_FORMAT, initial, max); 41 assert(used <= max, "used: " SIZE_FORMAT ", max: " SIZE_FORMAT, used, max); 42 assert(committed <= max, "committed: " SIZE_FORMAT ", max: " SIZE_FORMAT, committed, max); 43 assert(used <= committed, "used: " SIZE_FORMAT ", committed: " SIZE_FORMAT, used, committed); 44 45 return MemoryUsage(initial, used, committed, max); 46 }