1 /* 2 * Copyright (c) 2015, 2017, 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_VM_GC_SHARED_WORKERDATAARRAY_INLINE_HPP 26 #define SHARE_VM_GC_SHARED_WORKERDATAARRAY_INLINE_HPP 27 28 #include "gc/shared/workerDataArray.hpp" 29 #include "memory/allocation.inline.hpp" 30 #include "utilities/ostream.hpp" 31 32 template <typename T> 33 WorkerDataArray<T>::WorkerDataArray(uint length, const char* title) : 34 _data(NULL), 35 _length(length), 36 _title(title) { 37 assert(length > 0, "Must have some workers to store data for"); 38 _data = NEW_C_HEAP_ARRAY(T, _length, mtGC); 39 for (uint i = 0; i < MaxThreadWorkItems; i++) { 40 _thread_work_items[i] = NULL; 41 } 42 reset(); 43 } 44 45 template <typename T> 46 void WorkerDataArray<T>::set(uint worker_i, T value) { 47 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 48 assert(_data[worker_i] == uninitialized(), "Overwriting data for worker %d in %s", worker_i, _title); 49 _data[worker_i] = value; 50 } 51 52 template <typename T> 53 T WorkerDataArray<T>::get(uint worker_i) const { 54 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 55 return _data[worker_i]; 56 } 57 58 template <typename T> 59 WorkerDataArray<T>::~WorkerDataArray() { 60 FREE_C_HEAP_ARRAY(T, _data); 61 } 62 63 template <typename T> 64 void WorkerDataArray<T>::link_thread_work_items(WorkerDataArray<size_t>* thread_work_items, uint index) { 65 assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems); 66 _thread_work_items[index] = thread_work_items; 67 } 68 69 template <typename T> 70 void WorkerDataArray<T>::set_thread_work_item(uint worker_i, size_t value, uint index) { 71 assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems); 72 assert(_thread_work_items[index] != NULL, "No sub count"); 73 _thread_work_items[index]->set(worker_i, value); 74 } 75 76 template <typename T> 77 void WorkerDataArray<T>::add_thread_work_item(uint worker_i, size_t value, uint index) { 78 assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems); 79 assert(_thread_work_items[index] != NULL, "No sub count"); 80 _thread_work_items[index]->add(worker_i, value); 81 } 82 83 template <typename T> 84 void WorkerDataArray<T>::add(uint worker_i, T value) { 85 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 86 assert(_data[worker_i] != uninitialized(), "No data to add to for worker %d", worker_i); 87 _data[worker_i] += value; 88 } 89 90 template <typename T> 91 double WorkerDataArray<T>::average() const { 92 uint contributing_threads = 0; 93 for (uint i = 0; i < _length; ++i) { 94 if (get(i) != uninitialized()) { 95 contributing_threads++; 96 } 97 } 98 if (contributing_threads == 0) { 99 return 0.0; 100 } 101 return sum() / (double) contributing_threads; 102 } 103 104 template <typename T> 105 T WorkerDataArray<T>::sum() const { 106 T s = 0; 107 for (uint i = 0; i < _length; ++i) { 108 if (get(i) != uninitialized()) { 109 s += get(i); 110 } 111 } 112 return s; 113 } 114 115 template <typename T> 116 void WorkerDataArray<T>::set_all(T value) { 117 for (uint i = 0; i < _length; i++) { 118 _data[i] = value; 119 } 120 } 121 122 template <class T> 123 void WorkerDataArray<T>::print_summary_on(outputStream* out, bool print_sum) const { 124 out->print("%-25s", title()); 125 uint start = 0; 126 while (start < _length && get(start) == uninitialized()) { 127 start++; 128 } 129 if (start < _length) { 130 T min = get(start); 131 T max = min; 132 T sum = 0; 133 uint contributing_threads = 0; 134 for (uint i = start; i < _length; ++i) { 135 T value = get(i); 136 if (value != uninitialized()) { 137 max = MAX2(max, value); 138 min = MIN2(min, value); 139 sum += value; 140 contributing_threads++; 141 } 142 } 143 T diff = max - min; 144 assert(contributing_threads != 0, "Must be since we found a used value for the start index"); 145 double avg = sum / (double) contributing_threads; 146 WDAPrinter::summary(out, min, avg, max, diff, sum, print_sum); 147 out->print_cr(", Workers: %d", contributing_threads); 148 } else { 149 // No data for this phase. 150 out->print_cr(" skipped"); 151 } 152 } 153 154 template <class T> 155 void WorkerDataArray<T>::print_details_on(outputStream* out) const { 156 WDAPrinter::details(this, out); 157 } 158 159 template <typename T> 160 void WorkerDataArray<T>::reset() { 161 set_all(uninitialized()); 162 for (uint i = 0; i < MaxThreadWorkItems; i++) { 163 if (_thread_work_items[i] != NULL) { 164 _thread_work_items[i]->reset(); 165 } 166 } 167 } 168 169 #endif // SHARE_VM_GC_SHARED_WORKERDATAARRAY_INLINE_HPP