1 /* 2 * Copyright (c) 2016, 2019, 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 25 #ifndef SHARE_GC_G1_G1HEAPTRANSITION_HPP 26 #define SHARE_GC_G1_G1HEAPTRANSITION_HPP 27 28 #include "gc/shared/plab.hpp" 29 30 class G1CollectedHeap; 31 32 class G1HeapTransition { 33 struct Data { 34 // Doesn't include retained region 35 size_t _eden_length; 36 // Includes retained region 37 size_t _survivor_length; 38 size_t _retained_length; 39 size_t _old_length; 40 size_t _archive_length; 41 size_t _humongous_length; 42 size_t _metaspace_used_bytes; 43 44 Data(G1CollectedHeap* g1_heap); 45 }; 46 47 G1CollectedHeap* _g1_heap; 48 Data _before; 49 50 public: 51 G1HeapTransition(G1CollectedHeap* g1_heap); 52 53 void print(); 54 }; 55 56 #endif // SHARE_GC_G1_G1HEAPTRANSITION_HPP