| /* |
| * Copyright (c) 2012, 2016, 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_SHARED_COPYFAILEDINFO_HPP |
| #define SHARE_VM_GC_SHARED_COPYFAILEDINFO_HPP |
| |
| #include "runtime/thread.hpp" |
| #include "trace/traceMacros.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 { |
| traceid _thread_trace_id; |
| |
| public: |
| PromotionFailedInfo() : CopyFailedInfo(), _thread_trace_id(0) {} |
| |
| void register_copy_failure(size_t size) { |
| CopyFailedInfo::register_copy_failure(size); |
| if (_thread_trace_id == 0) { |
| _thread_trace_id = THREAD_TRACE_ID(Thread::current()); |
| } else { |
| assert(THREAD_TRACE_ID(Thread::current()) == _thread_trace_id, |
| "The PromotionFailedInfo should be thread local."); |
| } |
| } |
| |
| void reset() { |
| CopyFailedInfo::reset(); |
| _thread_trace_id = 0; |
| } |
| |
| traceid thread_trace_id() const { return _thread_trace_id; } |
| |
| }; |
| |
| class EvacuationFailedInfo : public CopyFailedInfo {}; |
| |
| #endif // SHARE_VM_GC_SHARED_COPYFAILEDINFO_HPP |