1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/gc_implementation/shared/copyFailedInfo.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,90 @@
1.4 +/*
1.5 + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP
1.29 +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP
1.30 +
1.31 +#include "runtime/thread.hpp"
1.32 +#include "utilities/globalDefinitions.hpp"
1.33 +
1.34 +class CopyFailedInfo : public CHeapObj<mtGC> {
1.35 + size_t _first_size;
1.36 + size_t _smallest_size;
1.37 + size_t _total_size;
1.38 + uint _count;
1.39 +
1.40 + public:
1.41 + CopyFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0) {}
1.42 +
1.43 + virtual void register_copy_failure(size_t size) {
1.44 + if (_first_size == 0) {
1.45 + _first_size = size;
1.46 + _smallest_size = size;
1.47 + } else if (size < _smallest_size) {
1.48 + _smallest_size = size;
1.49 + }
1.50 + _total_size += size;
1.51 + _count++;
1.52 + }
1.53 +
1.54 + virtual void reset() {
1.55 + _first_size = 0;
1.56 + _smallest_size = 0;
1.57 + _total_size = 0;
1.58 + _count = 0;
1.59 + }
1.60 +
1.61 + bool has_failed() const { return _count != 0; }
1.62 + size_t first_size() const { return _first_size; }
1.63 + size_t smallest_size() const { return _smallest_size; }
1.64 + size_t total_size() const { return _total_size; }
1.65 + uint failed_count() const { return _count; }
1.66 +};
1.67 +
1.68 +class PromotionFailedInfo : public CopyFailedInfo {
1.69 + OSThread* _thread;
1.70 +
1.71 + public:
1.72 + PromotionFailedInfo() : CopyFailedInfo(), _thread(NULL) {}
1.73 +
1.74 + void register_copy_failure(size_t size) {
1.75 + CopyFailedInfo::register_copy_failure(size);
1.76 + if (_thread == NULL) {
1.77 + _thread = Thread::current()->osthread();
1.78 + } else {
1.79 + assert(_thread == Thread::current()->osthread(), "The PromotionFailedInfo should be thread local.");
1.80 + }
1.81 + }
1.82 +
1.83 + void reset() {
1.84 + CopyFailedInfo::reset();
1.85 + _thread = NULL;
1.86 + }
1.87 +
1.88 + OSThread* thread() const { return _thread; }
1.89 +};
1.90 +
1.91 +class EvacuationFailedInfo : public CopyFailedInfo {};
1.92 +
1.93 +#endif /* SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP */
