Wed, 26 Jun 2013 16:58:37 +0200
8013590: NPG: Add a memory pool MXBean for Metaspace
Reviewed-by: jmasa, mgerdin
1 /*
2 * Copyright (c) 2002, 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
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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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
25 #include "precompiled.hpp"
26 #include "utilities/macros.hpp"
27 #if INCLUDE_ALL_GCS
28 #include "gc_implementation/concurrentMarkSweep/freeChunk.hpp"
29 #endif // INCLUDE_ALL_GCS
30 #include "memory/freeBlockDictionary.hpp"
31 #include "memory/metablock.hpp"
32 #include "memory/metachunk.hpp"
33 #include "runtime/thread.inline.hpp"
34 #include "utilities/macros.hpp"
36 #ifndef PRODUCT
37 template <class Chunk> Mutex* FreeBlockDictionary<Chunk>::par_lock() const {
38 return _lock;
39 }
41 template <class Chunk> void FreeBlockDictionary<Chunk>::set_par_lock(Mutex* lock) {
42 _lock = lock;
43 }
45 template <class Chunk> void FreeBlockDictionary<Chunk>::verify_par_locked() const {
46 #ifdef ASSERT
47 if (ParallelGCThreads > 0) {
48 Thread* my_thread = Thread::current();
49 if (my_thread->is_GC_task_thread()) {
50 assert(par_lock() != NULL, "Should be using locking?");
51 assert_lock_strong(par_lock());
52 }
53 }
54 #endif // ASSERT
55 }
56 #endif
58 template class FreeBlockDictionary<Metablock>;
59 template class FreeBlockDictionary<Metachunk>;
61 #if INCLUDE_ALL_GCS
62 // Explicitly instantiate for FreeChunk
63 template class FreeBlockDictionary<FreeChunk>;
64 #endif // INCLUDE_ALL_GCS