Tue, 19 May 2015 15:49:27 +0200
8061715: gc/g1/TestShrinkAuxiliaryData15.java fails with java.lang.RuntimeException: heap decommit failed - after > before
Summary: added WhiteBox methods to count regions and exact aux data sizes
Reviewed-by: jwilhelm, brutisso
1 /*
2 * Copyright (c) 2012, 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.
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23 */
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP
28 #include "memory/allocation.hpp"
30 class G1Log : public AllStatic {
31 public:
32 typedef enum {
33 LevelNone,
34 LevelFine,
35 LevelFiner,
36 LevelFinest
37 } LogLevel;
39 private:
40 static LogLevel _level;
42 public:
43 inline static bool fine() {
44 return _level >= LevelFine;
45 }
47 inline static bool finer() {
48 return _level >= LevelFiner;
49 }
51 inline static bool finest() {
52 return _level == LevelFinest;
53 }
55 static LogLevel level() {
56 return _level;
57 }
59 static void init();
60 };
62 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP