1 /* 2 * Copyright (c) 2018, 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_G1STRINGDEDUPSTAT_HPP 26 #define SHARE_GC_G1_G1STRINGDEDUPSTAT_HPP 27 28 #include "gc/shared/stringdedup/stringDedupStat.hpp" 29 30 // G1 extension for gathering/reporting generational statistics 31 class G1StringDedupStat : public StringDedupStat { 32 private: 33 uintx _deduped_young; 34 uintx _deduped_young_bytes; 35 uintx _deduped_old; 36 uintx _deduped_old_bytes; 37 38 G1CollectedHeap* const _heap; 39 40 public: 41 G1StringDedupStat(); 42 43 void deduped(oop obj, uintx bytes); 44 45 void add(const StringDedupStat* const stat); 46 47 void print_statistics(bool total) const; 48 49 void reset(); 50 }; 51 52 #endif // SHARE_GC_G1_G1STRINGDEDUPSTAT_HPP 53