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1 /*
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2 * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 class GCStats : public CHeapObj {
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26 protected:
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27 // Avg amount promoted; used for avoiding promotion undo
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28 // This class does not update deviations if the sample is zero.
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29 AdaptivePaddedNoZeroDevAverage* _avg_promoted;
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30
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31 public:
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32 GCStats();
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33
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34 enum Name {
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35 GCStatsKind,
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36 CMSGCStatsKind
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37 };
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38
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39 virtual Name kind() {
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40 return GCStatsKind;
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41 }
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42
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43 AdaptivePaddedNoZeroDevAverage* avg_promoted() const { return _avg_promoted; }
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44
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45 // Average in bytes
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46 size_t average_promoted_in_bytes() const {
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47 return (size_t)_avg_promoted->average();
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48 }
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49
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50 // Padded average in bytes
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51 size_t padded_average_promoted_in_bytes() const {
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52 return (size_t)_avg_promoted->padded_average();
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53 }
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54 };
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55
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56 class CMSGCStats : public GCStats {
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57 public:
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58 CMSGCStats();
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59
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60 virtual Name kind() {
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61 return CMSGCStatsKind;
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62 }
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63 };
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