Mercurial > hg > truffle
diff src/share/vm/gc_implementation/shared/copyFailedInfo.hpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
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date | Mon, 10 Jun 2013 11:30:51 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/shared/copyFailedInfo.hpp Mon Jun 10 11:30:51 2013 +0200 @@ -0,0 +1,90 @@ +/* + * 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 */