1 /* 2 * Copyright (c) 2015, 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 #include "gc/g1/workerDataArray.hpp" 26 #include "memory/allocation.inline.hpp" 27 28 template <typename T> 29 WorkerDataArray<T>::WorkerDataArray(uint length, const char* title) : 30 _title(title), 31 _length(0), 32 _thread_work_items(NULL) { 33 assert(length > 0, "Must have some workers to store data for"); 34 _length = length; 35 _data = NEW_C_HEAP_ARRAY(T, _length, mtGC); 36 reset(); 37 } 38 39 template <typename T> 40 void WorkerDataArray<T>::set(uint worker_i, T value) { 41 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 42 assert(_data[worker_i] == uninitialized(), "Overwriting data for worker %d in %s", worker_i, _title); 43 _data[worker_i] = value; 44 } 45 46 template <typename T> 47 T WorkerDataArray<T>::get(uint worker_i) const { 48 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 49 assert(_data[worker_i] != uninitialized(), "No data added for worker %d", worker_i); 50 return _data[worker_i]; 51 } 52 53 template <typename T> 54 WorkerDataArray<T>::~WorkerDataArray() { 55 FREE_C_HEAP_ARRAY(T, _data); 56 } 57 58 template <typename T> 59 void WorkerDataArray<T>::link_thread_work_items(WorkerDataArray<size_t>* thread_work_items) { 60 _thread_work_items = thread_work_items; 61 } 62 63 template <typename T> 64 void WorkerDataArray<T>::set_thread_work_item(uint worker_i, size_t value) { 65 assert(_thread_work_items != NULL, "No sub count"); 66 _thread_work_items->set(worker_i, value); 67 } 68 69 template <typename T> 70 void WorkerDataArray<T>::add(uint worker_i, T value) { 71 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 72 assert(_data[worker_i] != uninitialized(), "No data to add to for worker %d", worker_i); 73 _data[worker_i] += value; 74 } 75 76 template <typename T> 77 double WorkerDataArray<T>::average(uint active_threads) const { 78 return sum(active_threads) / (double) active_threads; 79 } 80 81 template <typename T> 82 T WorkerDataArray<T>::sum(uint active_threads) const { 83 T s = get(0); 84 for (uint i = 1; i < active_threads; ++i) { 85 s += get(i); 86 } 87 return s; 88 } 89 90 template <typename T> 91 T WorkerDataArray<T>::minimum(uint active_threads) const { 92 T min = get(0); 93 for (uint i = 1; i < active_threads; ++i) { 94 min = MIN2(min, get(i)); 95 } 96 return min; 97 } 98 99 template <typename T> 100 T WorkerDataArray<T>::maximum(uint active_threads) const { 101 T max = get(0); 102 for (uint i = 1; i < active_threads; ++i) { 103 max = MAX2(max, get(i)); 104 } 105 return max; 106 } 107 108 template <typename T> 109 T WorkerDataArray<T>::diff(uint active_threads) const { 110 return maximum(active_threads) - minimum(active_threads); 111 } 112 113 template <typename T> 114 void WorkerDataArray<T>::clear() { 115 set_all(0); 116 } 117 118 template <typename T> 119 void WorkerDataArray<T>::set_all(T value) { 120 for (uint i = 0; i < _length; i++) { 121 _data[i] = value; 122 } 123 } 124 125 #ifndef PRODUCT 126 template <typename T> 127 void WorkerDataArray<T>::reset() { 128 set_all(uninitialized()); 129 if (_thread_work_items != NULL) { 130 _thread_work_items->reset(); 131 } 132 } 133 134 template <typename T> 135 void WorkerDataArray<T>::verify(uint active_threads) const { 136 assert(active_threads <= _length, "Wrong number of active threads"); 137 for (uint i = 0; i < active_threads; i++) { 138 assert(_data[i] != uninitialized(), 139 "Invalid data for worker %u in '%s'", i, _title); 140 } 141 if (_thread_work_items != NULL) { 142 _thread_work_items->verify(active_threads); 143 } 144 } 145 146 template <> 147 inline size_t WorkerDataArray<size_t>::uninitialized() const { 148 return (size_t)-1; 149 } 150 151 template <> 152 inline double WorkerDataArray<double>::uninitialized() const { 153 return -1.0; 154 } 155 #endif