1 /* 2 * Copyright (c) 2003, 2006, 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 class GCStats : public CHeapObj { 26 protected: 27 // Avg amount promoted; used for avoiding promotion undo 28 // This class does not update deviations if the sample is zero. 29 AdaptivePaddedNoZeroDevAverage* _avg_promoted; 30 31 public: 32 GCStats(); 33 34 enum Name { 35 GCStatsKind, 36 CMSGCStatsKind 37 }; 38 39 virtual Name kind() { 40 return GCStatsKind; 41 } 42 43 AdaptivePaddedNoZeroDevAverage* avg_promoted() const { return _avg_promoted; } 44 45 // Average in bytes 46 size_t average_promoted_in_bytes() const { 47 return (size_t)_avg_promoted->average(); 48 } 49 50 // Padded average in bytes 51 size_t padded_average_promoted_in_bytes() const { 52 return (size_t)_avg_promoted->padded_average(); 53 } 54 }; 55 56 class CMSGCStats : public GCStats { 57 public: 58 CMSGCStats(); 59 60 virtual Name kind() { 61 return CMSGCStatsKind; 62 } 63 };