Mercurial > hg > truffle
view src/share/vm/gc_implementation/shared/copyFailedInfo.hpp @ 14521:29ccc4cbabca
Merge
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 12 Mar 2014 13:30:08 +0100 |
parents | f2110083203d |
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/* * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP #define SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP #include "runtime/thread.hpp" #include "utilities/globalDefinitions.hpp" class CopyFailedInfo : public CHeapObj<mtGC> { size_t _first_size; size_t _smallest_size; size_t _total_size; uint _count; public: CopyFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0) {} virtual void register_copy_failure(size_t size) { if (_first_size == 0) { _first_size = size; _smallest_size = size; } else if (size < _smallest_size) { _smallest_size = size; } _total_size += size; _count++; } virtual void reset() { _first_size = 0; _smallest_size = 0; _total_size = 0; _count = 0; } bool has_failed() const { return _count != 0; } size_t first_size() const { return _first_size; } size_t smallest_size() const { return _smallest_size; } size_t total_size() const { return _total_size; } uint failed_count() const { return _count; } }; class PromotionFailedInfo : public CopyFailedInfo { OSThread* _thread; public: PromotionFailedInfo() : CopyFailedInfo(), _thread(NULL) {} void register_copy_failure(size_t size) { CopyFailedInfo::register_copy_failure(size); if (_thread == NULL) { _thread = Thread::current()->osthread(); } else { assert(_thread == Thread::current()->osthread(), "The PromotionFailedInfo should be thread local."); } } void reset() { CopyFailedInfo::reset(); _thread = NULL; } OSThread* thread() const { return _thread; } }; class EvacuationFailedInfo : public CopyFailedInfo {}; #endif /* SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP */