Mercurial > hg > graal-compiler
comparison src/share/vm/gc_implementation/shared/gcStats.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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-1:000000000000 | 0:a61af66fc99e |
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1 /* | |
2 * Copyright 2003-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any 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 }; |