| 1 | /* |
| 2 | * Copyright (c) 2012, 2019, 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 |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 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. |
| 18 | * |
| 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 | * or visit www.oracle.com if you need additional information or have any |
| 21 | * questions. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #ifndef SHARE_GC_SHARED_COPYFAILEDINFO_HPP |
| 26 | #define SHARE_GC_SHARED_COPYFAILEDINFO_HPP |
| 27 | |
| 28 | #include "jfr/support/jfrThreadId.hpp" |
| 29 | #include "runtime/thread.hpp" |
| 30 | #include "utilities/globalDefinitions.hpp" |
| 31 | |
| 32 | class CopyFailedInfo : public CHeapObj<mtGC> { |
| 33 | size_t _first_size; |
| 34 | size_t _smallest_size; |
| 35 | size_t _total_size; |
| 36 | uint _count; |
| 37 | |
| 38 | public: |
| 39 | CopyFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0) {} |
| 40 | |
| 41 | virtual void register_copy_failure(size_t size) { |
| 42 | if (_first_size == 0) { |
| 43 | _first_size = size; |
| 44 | _smallest_size = size; |
| 45 | } else if (size < _smallest_size) { |
| 46 | _smallest_size = size; |
| 47 | } |
| 48 | _total_size += size; |
| 49 | _count++; |
| 50 | } |
| 51 | |
| 52 | virtual void reset() { |
| 53 | _first_size = 0; |
| 54 | _smallest_size = 0; |
| 55 | _total_size = 0; |
| 56 | _count = 0; |
| 57 | } |
| 58 | |
| 59 | bool has_failed() const { return _count != 0; } |
| 60 | size_t first_size() const { return _first_size; } |
| 61 | size_t smallest_size() const { return _smallest_size; } |
| 62 | size_t total_size() const { return _total_size; } |
| 63 | uint failed_count() const { return _count; } |
| 64 | }; |
| 65 | |
| 66 | class PromotionFailedInfo : public CopyFailedInfo { |
| 67 | traceid _thread_trace_id; |
| 68 | |
| 69 | public: |
| 70 | PromotionFailedInfo() : CopyFailedInfo(), _thread_trace_id(0) {} |
| 71 | |
| 72 | void register_copy_failure(size_t size) { |
| 73 | CopyFailedInfo::register_copy_failure(size); |
| 74 | if (_thread_trace_id == 0) { |
| 75 | _thread_trace_id = JFR_THREAD_ID(Thread::current()); |
| 76 | } else { |
| 77 | assert(JFR_THREAD_ID(Thread::current()) == _thread_trace_id, |
| 78 | "The PromotionFailedInfo should be thread local." ); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | void reset() { |
| 83 | CopyFailedInfo::reset(); |
| 84 | _thread_trace_id = 0; |
| 85 | } |
| 86 | |
| 87 | traceid thread_trace_id() const { return _thread_trace_id; } |
| 88 | |
| 89 | }; |
| 90 | |
| 91 | class EvacuationFailedInfo : public CopyFailedInfo {}; |
| 92 | |
| 93 | #endif // SHARE_GC_SHARED_COPYFAILEDINFO_HPP |
| 94 | |