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, 30 const char* title, 31 bool print_sum, 32 int log_level, 33 uint indent_level) : 34 _title(title), 35 _length(0), 36 _print_sum(print_sum), 37 _log_level(log_level), 38 _indent_level(indent_level), 39 _thread_work_items(NULL), 40 _enabled(true) { 41 assert(length > 0, "Must have some workers to store data for"); 42 _length = length; 43 _data = NEW_C_HEAP_ARRAY(T, _length, mtGC); 44 reset(); 45 } 46 47 template <typename T> 48 void WorkerDataArray<T>::set(uint worker_i, T value) { 49 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 50 assert(_data[worker_i] == uninitialized(), "Overwriting data for worker %d in %s", worker_i, _title); 51 _data[worker_i] = value; 52 } 53 54 template <typename T> 55 T WorkerDataArray<T>::get(uint worker_i) const { 56 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 57 assert(_data[worker_i] != uninitialized(), "No data added for worker %d", worker_i); 58 return _data[worker_i]; 59 } 60 61 template <typename T> 62 WorkerDataArray<T>::~WorkerDataArray() { 63 FREE_C_HEAP_ARRAY(T, _data); 64 } 65 66 template <typename T> 67 void WorkerDataArray<T>::link_thread_work_items(WorkerDataArray<size_t>* thread_work_items) { 68 _thread_work_items = thread_work_items; 69 } 70 71 template <typename T> 72 void WorkerDataArray<T>::set_thread_work_item(uint worker_i, size_t value) { 73 assert(_thread_work_items != NULL, "No sub count"); 74 _thread_work_items->set(worker_i, value); 75 } 76 77 template <typename T> 78 void WorkerDataArray<T>::add(uint worker_i, T value) { 79 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 80 assert(_data[worker_i] != uninitialized(), "No data to add to for worker %d", worker_i); 81 _data[worker_i] += value; 82 } 83 84 template <typename T> 85 double WorkerDataArray<T>::average(uint active_threads) const { 86 return sum(active_threads) / (double) active_threads; 87 } 88 89 template <typename T> 90 T WorkerDataArray<T>::sum(uint active_threads) const { 91 T s = get(0); 92 for (uint i = 1; i < active_threads; ++i) { 93 s += get(i); 94 } 95 return s; 96 } 97 98 template <typename T> 99 T WorkerDataArray<T>::minimum(uint active_threads) const { 100 T min = get(0); 101 for (uint i = 1; i < active_threads; ++i) { 102 min = MIN2(min, get(i)); 103 } 104 return min; 105 } 106 107 template <typename T> 108 T WorkerDataArray<T>::maximum(uint active_threads) const { 109 T max = get(0); 110 for (uint i = 1; i < active_threads; ++i) { 111 max = MAX2(max, get(i)); 112 } 113 return max; 114 } 115 116 template <typename T> 117 T WorkerDataArray<T>::diff(uint active_threads) const { 118 return maximum(active_threads) - minimum(active_threads); 119 } 120 121 template <typename T> 122 void WorkerDataArray<T>::clear() { 123 set_all(0); 124 } 125 126 template <typename T> 127 void WorkerDataArray<T>::set_all(T value) { 128 for (uint i = 0; i < _length; i++) { 129 _data[i] = value; 130 } 131 } 132 133 #ifndef PRODUCT 134 template <typename T> 135 void WorkerDataArray<T>::reset() { 136 set_all(uninitialized()); 137 if (_thread_work_items != NULL) { 138 _thread_work_items->reset(); 139 } 140 } 141 142 template <typename T> 143 void WorkerDataArray<T>::verify(uint active_threads) const { 144 if (!_enabled) { 145 return; 146 } 147 148 assert(active_threads <= _length, "Wrong number of active threads"); 149 for (uint i = 0; i < active_threads; i++) { 150 assert(_data[i] != uninitialized(), 151 "Invalid data for worker %u in '%s'", i, _title); 152 } 153 if (_thread_work_items != NULL) { 154 _thread_work_items->verify(active_threads); 155 } 156 } 157 158 template <> 159 inline size_t WorkerDataArray<size_t>::uninitialized() const { 160 return (size_t)-1; 161 } 162 163 template <> 164 inline double WorkerDataArray<double>::uninitialized() const { 165 return -1.0; 166 } 167 #endif